K Trademark

Trademark Overview


On Wednesday, July 30, 2025, a trademark application was filed for K with the United States Patent and Trademark Office. The USPTO has given the K trademark a serial number of 79434444. The federal status of this trademark filing is PUBLISHED FOR OPPOSITION as of Tuesday, April 28, 2026. This trademark is owned by Knorr-Bremse Aktiengesellschaft. The K trademark is filed in the Metal Products, Machinery Products, Computer & Software Products & Electrical & Scientific Products, Non-Metallic Building Material Products, Construction & Repair Services, Transportation & Storage Services, and Computer & Software Services & Scientific Services categories with the following description:

Scientific and technological services, namely, scientific research and development; scientific and industrial research in the fields of land vehicles, rail vehicles, public transportation equipment, state and private railroads, energy consumption, and the reliability, availability, predictive maintenance, preventive maintenance and punctuality of mass transit vehicles and rail vehicles; engineering research; design services, namely technical design services in the field of transportation via land vehicles; engineering services; engineering services relating to energy supply systems; engineering services relating to information technology; development and creation of data processing programs for use in connection with railway monitoring; software as a service (SAAS) services featuring machine learning software for enabling computers to learn to perform tasks autonomously; software as a service (SAAS) services featuring software for collecting, analyzing and organizing data in the field ...

Modification, maintenance, overhauling and repair of vehicles; maintenance and repair of land vehicles; installation, modification, maintenance, overhauling and repair of electric and electronic apparatus in vehicles; maintenance and repair of motor vehicle engines; assembly services relating to the installation of parts for land vehicles; repair and reconditioning of automobile and industrial machinery parts, namely, compressors, dampers, transmission components, brakes, control units, valves, pedal systems, clutches, motor vehicle engines, heating, ventilating, air conditioning apparatus and air treatment apparatus for land vehicles; rebuilding machines that are worn or partially destroyed; vehicle repair consultancy; advisory services relating to the maintenance and repair of mechanical and electrical equipment; installation of building automation equipment; maintenance and repair of computer hardware; installation, maintenance and repair of telecommunications equipment; maintenance...

Transport of land vehicles

Partitions being building materials, not of metal; non-luminous and non-mechanical signs, not of metal; railway sleepers not of metal

Mechanical switch machines being power-driven mechanical controls for switching metal railway crossovers; machine coupling and transmission components, except for land vehicles; motors and engines, except for land vehicles; metalworking machine tools; compressors, namely, pneumatic compressors, hydraulic compressors, air compressors and electric compressors; compressed air systems, namely, compressed air machines and compressed air engines not for land vehicles and compressed air generators for vehicles; compressed air supply systems, namely, air compressors for vehicle compressed air systems and automotive intake manifolds; air intake systems comprised primarily of an air filter for compressed air generators for vehicles, and also including a mass flow sensor, throttle body and metal tubing connecting the air filter to the engine of land vehicles and their structural component parts; electric door opening and closing system for opening and closing platform screen doors; pumps for mach...

Common metals and their alloys; metal building materials, namely ties, turntables, and switches for railroads; metal containers for storage or transport of goods; non-electric cables of common metal; non-electric wires of common metal; small items of metal hardware, namely nails, nuts, and bolts; transportable buildings of metal; metal tracks for rail vehicles; metal railway switches

Scientific, nautical, surveying, optical, measuring, signaling, controlling apparatus and instruments, namely, distance measuring apparatus and pressure regulators for vehicles; measuring couplings for measuring temperature, pressure, quantity and concentration of fluids in hydraulic or pneumatic systems; surveying machines and instruments; sensors for measuring vibrations, accelerations and distances; electro-optical instruments for use in inspection and measurement of industrial components; optical sensors and detectors; electric sensors; weighing machines, not for medical use; physical, electric, electronic measuring, signaling, checking, supervision, control, regulating, and monitoring equipment and apparatus, namely, electronic signaling units in the nature of electronic controls for motors, electronic control systems for engines, electronic control systems for machines, electronic controllers for use with power converters, electronic apparatus and instruments for controlling, adj...
k

General Information


Serial Number79434444
Word MarkK
Filing DateWednesday, July 30, 2025
Status686 - PUBLISHED FOR OPPOSITION
Status DateTuesday, April 28, 2026
Registration Number0000000
Registration DateNOT AVAILABLE
Mark Drawing3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s)
Published for Opposition DateTuesday, April 28, 2026

Trademark Statements


Goods and ServicesScientific and technological services, namely, scientific research and development; scientific and industrial research in the fields of land vehicles, rail vehicles, public transportation equipment, state and private railroads, energy consumption, and the reliability, availability, predictive maintenance, preventive maintenance and punctuality of mass transit vehicles and rail vehicles; engineering research; design services, namely technical design services in the field of transportation via land vehicles; engineering services; engineering services relating to energy supply systems; engineering services relating to information technology; development and creation of data processing programs for use in connection with railway monitoring; software as a service (SAAS) services featuring machine learning software for enabling computers to learn to perform tasks autonomously; software as a service (SAAS) services featuring software for collecting, analyzing and organizing data in the field of machine learning, deep learning and deep neural networks; design of office automation equipment; design of face recognition software; technological research relating to iris recognition; technological research relating to ultrasonic fingerprint recognition; creation of control programs for automated measurement, assembly, adjustment, and related visualization; development and testing of computer software; design of computer hardware; design of computer software; design of computer databases; software development; installation, maintenance, and updating of computer software; computer diagnostic services; industrial testing being product quality testing; conducting engineering surveys; testing, analysis and evaluation of the goods and services of others to determine conformity with certification standards; materials testing and analyzing; providing information in the field of product design; providing information in the field of product development; providing information in the field of industrial research services; technological consultancy in the field of train detection, rail detection, speed detection, signal illumination, signal integrity, warning systems and signal controls; engineering consultancy services in the field of industrial engineering; consultation services relating to computer software; advisory services relating to material testing; consulting services in the fields of selection, implementation and use of computer software systems for others; consulting services in the design and development of computer hardware
Goods and ServicesModification, maintenance, overhauling and repair of vehicles; maintenance and repair of land vehicles; installation, modification, maintenance, overhauling and repair of electric and electronic apparatus in vehicles; maintenance and repair of motor vehicle engines; assembly services relating to the installation of parts for land vehicles; repair and reconditioning of automobile and industrial machinery parts, namely, compressors, dampers, transmission components, brakes, control units, valves, pedal systems, clutches, motor vehicle engines, heating, ventilating, air conditioning apparatus and air treatment apparatus for land vehicles; rebuilding machines that are worn or partially destroyed; vehicle repair consultancy; advisory services relating to the maintenance and repair of mechanical and electrical equipment; installation of building automation equipment; maintenance and repair of computer hardware; installation, maintenance and repair of telecommunications equipment; maintenance of railway tracks; installation of traffic management systems
Goods and ServicesTransport of land vehicles
Goods and ServicesPartitions being building materials, not of metal; non-luminous and non-mechanical signs, not of metal; railway sleepers not of metal
Indication of Colors claimedThe color(s) blue and white is/are claimed as a feature of the mark.
Goods and ServicesMechanical switch machines being power-driven mechanical controls for switching metal railway crossovers; machine coupling and transmission components, except for land vehicles; motors and engines, except for land vehicles; metalworking machine tools; compressors, namely, pneumatic compressors, hydraulic compressors, air compressors and electric compressors; compressed air systems, namely, compressed air machines and compressed air engines not for land vehicles and compressed air generators for vehicles; compressed air supply systems, namely, air compressors for vehicle compressed air systems and automotive intake manifolds; air intake systems comprised primarily of an air filter for compressed air generators for vehicles, and also including a mass flow sensor, throttle body and metal tubing connecting the air filter to the engine of land vehicles and their structural component parts; electric door opening and closing system for opening and closing platform screen doors; pumps for machines; pneumatic controls for motors; hydraulic controls for motors
Goods and ServicesCommon metals and their alloys; metal building materials, namely ties, turntables, and switches for railroads; metal containers for storage or transport of goods; non-electric cables of common metal; non-electric wires of common metal; small items of metal hardware, namely nails, nuts, and bolts; transportable buildings of metal; metal tracks for rail vehicles; metal railway switches
Goods and ServicesScientific, nautical, surveying, optical, measuring, signaling, controlling apparatus and instruments, namely, distance measuring apparatus and pressure regulators for vehicles; measuring couplings for measuring temperature, pressure, quantity and concentration of fluids in hydraulic or pneumatic systems; surveying machines and instruments; sensors for measuring vibrations, accelerations and distances; electro-optical instruments for use in inspection and measurement of industrial components; optical sensors and detectors; electric sensors; weighing machines, not for medical use; physical, electric, electronic measuring, signaling, checking, supervision, control, regulating, and monitoring equipment and apparatus, namely, electronic signaling units in the nature of electronic controls for motors, electronic control systems for engines, electronic control systems for machines, electronic controllers for use with power converters, electronic apparatus and instruments for controlling, adjusting and testing of drives and motors; electro-pneumatic controllers and electronic controllers for vehicle brakes; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; electronic circuit board; electronic controls for motors; circuit breakers; electrical measuring transducers; relays, electric; electronic access control systems for interlocking doors and platform screen doors; safety, security, protection and signaling devices, namely, train detection devices, railway detection devices, speed detection devices, traffic signaling equipment, traffic signal illumination devices, traffic signal integrity devices, warning system control devices and traffic signal control devices; signaling panels being luminous railway signals; traffic-light apparatus; electro-dynamic apparatus for the remote control of railway points; railway signals; railway traffic safety apparatus, namely train detection apparatus, railway detection apparatus, speed detection apparatus, traffic signal illumination apparatus, traffic signal integrity apparatus and warning system control apparatus; detection apparatus, namely, train detection devices, railway detection devices and speed detection devices for railways; sensors for determining position; lidar apparatus; switch points being electric switches; magnetic current sensors, electric current sensors, voltage sensors and temperature sensors, all used for train detection, railway detection, speed detection, and for use with signaling equipment, signal illumination devices, traffic signal integrity check devices, warning system controls and traffic signal control sensors; sensor switches, namely, magnetic current sensor switches, electric current sensor switches, voltage sensor switches and temperature sensors switches for train detection, railway detection, speed detection, and for use with signaling equipment, traffic signal illumination devices, traffic signal integrity check devices, warning system controls and traffic signal control sensors; sensor controllers, namely, magnetic current, electric current, voltage and temperature sensor controllers for train detection, railway detection, speed detection, and for use with signaling equipment, signal illumination devices, traffic signal integrity check devices, warning system controls and traffic signal control sensors; radar apparatus; electric control devices for navigation apparatus for vehicles; electronic temperature monitors, other than for medical use; electronic tracking apparatus and instruments for train detection, railway detection, speed detection and warning system controls; wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, vehicle tracking devices; digital electronic controllers for use in railway signaling; transmitters of electronic signals; programmable logic controllers; electronic alarm devices for use in railway signaling; alarm monitoring systems; logic circuits; electronic control circuits for train detection devices, railway detection devices, speed detection devices, traffic signaling equipment, traffic signal illumination devices, traffic signal integrity check devices, warning system control devices and signal control devices; digital signal processors; downloadable software for operating programmable microprocessors; material testing instruments and machines, namely, apparatus for testing components of land vehicles, vehicle steering systems, power converters, traction inverters, traction and power supply apparatus, and industrial conveyor systems; lifesaving apparatus and equipment, namely, emergency stop systems for industrial equipment comprised primarily of electric actuators, electric sensors, electromechanical limit switches, electric emergency stop switches, electric misalignment switches, pull rope electro-mechanical emergency stop switches, and also including wire pull ropes, metal tension springs, metal turnbuckles, metal rope clamps, metal pulleys, and metal rope support eyebolts; switches, electric; high-frequency apparatus, namely, high-frequency electric switches and high-frequency switching power supplies; telecommunications equipment in the nature of wireless communication devices for voice, data or image transmission; data processing apparatus; data communications apparatus, namely, wireless communication devices for voice, data or image transmission; telematics apparatus, namely, telematics communication apparatus comprised of a wireless Internet device which has a cellular phone function for the purpose of displaying and reproducing wirelessly transmitted information and data from vehicles, vehicle trailers and components thereof; computer hardware; computer peripherals; blank integrated circuit cards; computer central processing units; downloadable mobile applications for the transmission of data in the field of train detection, railway detection, speed detection, traffic signal illumination, traffic signal integrity, and warning system control; downloadable mobile apps applications for train detection, railway detection, speed detection, traffic signal illumination, traffic signal integrity, warning system control, and traffic signal control; downloadable software for operating electronic driving assistance systems; recorded or downloadable computer software for monitoring vehicles, railway stations and railway lines, for detecting and controlling vehicles, railway ground faults, broken railways, power failures, switches and lights, for controlling signaling equipment for vehicles, railway stations and railway lines, for facilitating and managing the transportation and delivery of people and goods by road and railway, for facilitating the maintenance of vehicles, railway stations and railway lines, for railway and vehicle fleet management, for facilitating and managing logistics of railway systems, for facilitating the training of staff with respect to vehicles and railway stations, for the steering and control of vehicles, for the remote control of railway points, for automatic steering of vehicles, for voltage regulation of vehicles, for tracking and mapping of road and railway traffic, for the management and maintenance of railway and road traffic, for the maintenance of vehicles, for modelling and simulation of road and railway equipment and optimization of road and railway equipment, for cybersecurity of railway systems, for measuring and controlling energy, for protection against electrical surges or interferences, for controlling doors including railway platform screen doors, for monitoring, diagnosing, controlling and operating vehicles, for pressurizing brake systems for land vehicles, for monitoring and controlling brakes for land vehicles, for monitoring and controlling heating, ventilating, air conditioning and air purification equipment, for instruction in the field of equipment for vehicles, for management and operation of railway stations and railway lines, for use in connecting information systems, for use in monitoring, controlling and operating telecommunications equipment and systems and for data processing in relation to all of the foregoing; computer operating programs, recorded; automatic vehicle speed control apparatus, namely, sensors for determining the speed of a vehicle; downloadable software for adaptive speed control of vehicles; downloadable software for smart vehicle steering of vehicles; downloadable software for smart hydraulic steering of vehicles; downloadable software for controlling lane departure warning systems in vehicles; downloadable software for controlling side wind compensation systems in vehicles; downloadable software for big data management; downloadable software using artificial intelligence for machine learning of big data downloadable software using artificial intelligence for machine learning in the field of train detection, railway detection, speed detection, traffic signal illumination, traffic signal integrity, warning system control, and traffic signal control; downloadable computer software using artificial intelligence for machine learning for data analysis in the field of transportation; downloadable computer software using artificial intelligence for machine learning for purposes of train detection, railway detection, speed detection, traffic signal illumination, traffic signal integrity, warning system control, and traffic signal control; industrial automation controls; downloadable computer software using artificial intelligence for machine learning for data analysis in the field of security surveillance; downloadable computer software for automating document management; downloadable computer software to automate data warehousing in the field of industrial engineering; downloadable computer software for data warehousing in the field of robotic process automation technology; downloadable image recognition software; downloadable gesture recognition software; downloadable biometric voice recognition systems; downloadable traffic sign recognition software; downloadable software for optical character recognition; optical character recognition apparatus; downloadable software for intelligent optical character recognition; computerized time clocks with fingerprint recognition; downloadable software for assisting decision-making for train detection devices, railway detection devices, speed detection devices, traffic signaling equipment, traffic signal illumination devices, traffic signal integrity devices, warning system control devices and traffic signal control devices; downloadable software for detecting risks for purposes of train detection, railway detection, speed detection, traffic signal illumination, traffic signal integrity, warning system control, and traffic signal control; simulators for driving or control of vehicles; recorded or downloadable computer programs for the steering and control of vehicles; electronic databases relating to commercial vehicles and rail vehicle monitoring recorded on computer media; downloadable electronic databases in the field of traffic management; data sets, recorded or downloadable, in the field of train detection, railway detection, speed detection, signal illumination, signal integrity, traffic warning systems and traffic signal controls; structural parts for all of the aforementioned goods
Description of MarkThe mark consists of a stylized letter "K" in white within a white circle outline with a curved white band and a white arrowhead design appearing to the left and right sides of the circle outline, with the letter and designs all appearing on a blue background.

Classification Information


International Class006 - Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; nonelectric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
US Class Codes002, 012, 013, 014, 023, 025, 050
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code006
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
US Class Codes013, 019, 021, 023, 024, 031, 034, 035
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code007
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus.
US Class Codes021, 023, 026, 036, 038
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code009
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class019 - Building materials (non-metallic); nonmetallic rigid pipes for building; asphalt, pitch and bitumen; nonmetallic transportable buildings; monuments, not of metal.
US Class Codes001, 012, 033, 050
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code019
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class037 - Building construction; repair; installation services.
US Class Codes100, 103, 106
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code037
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class039 - Transport; packaging and storage of goods; travel arrangement.
US Class Codes100, 105
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code039
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.
US Class Codes100, 101
Class Status Code6 - Active
Class Status DateThursday, October 30, 2025
Primary Code042
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

Trademark Owner History


Party NameKnorr-Bremse Aktiengesellschaft
Party Type20 - Owner at Publication
Legal Entity Type25 - NOT AVAILABLE
AddressDE

Party NameKnorr-Bremse Aktiengesellschaft
Party Type10 - Original Applicant
Legal Entity Type25 - NOT AVAILABLE
AddressDE

Trademark Events


Event DateEvent Description
Thursday, October 9, 2025SN ASSIGNED FOR SECT 66A APPL FROM IB
Thursday, October 30, 2025LIMITATION FROM ORIGINAL APPLICATION ENTERED
Tuesday, November 4, 2025NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Tuesday, November 4, 2025APPLICATION FILING RECEIPT MAILED
Monday, December 15, 2025ASSIGNED TO EXAMINER
Friday, January 2, 2026NON-FINAL ACTION WRITTEN
Saturday, January 3, 2026NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW
Saturday, January 31, 2026REFUSAL PROCESSED BY MPU
Saturday, January 31, 2026NON-FINAL ACTION MAILED - REFUSAL SENT TO IB
Thursday, February 19, 2026REFUSAL PROCESSED BY IB
Friday, March 13, 2026TEAS RESPONSE TO OFFICE ACTION RECEIVED
Friday, March 13, 2026CORRESPONDENCE RECEIVED IN LAW OFFICE
Friday, March 13, 2026TEAS/EMAIL CORRESPONDENCE ENTERED
Friday, March 20, 2026EXAMINERS AMENDMENT -WRITTEN
Friday, March 20, 2026EXAMINERS AMENDMENT E-MAILED
Friday, March 20, 2026NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Friday, March 20, 2026EXAMINER'S AMENDMENT ENTERED
Wednesday, April 1, 2026APPROVED FOR PUB - PRINCIPAL REGISTER
Wednesday, April 22, 2026NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Tuesday, April 28, 2026PUBLISHED FOR OPPOSITION
Tuesday, April 28, 2026OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED