Trademark Overview
On Tuesday, July 29, 2025, a trademark application was filed for DP with the United States Patent and Trademark Office. The USPTO has given the DP trademark a serial number of 79436515. The federal status of this trademark filing is NON-FINAL ACTION COUNTED - NOT MAILED as of Tuesday, December 16, 2025. This trademark is owned by Zehnder Group International AG. The DP trademark is filed in the Environmental Control Instrument Products and Construction & Repair Services categories with the following description:
Humidifiers; air humidifiers; industrial humidifiers; electric humidifiers; humidifying installations; room humidifiers [apparatus]; air humidifiers for automobiles; humidifiers for central heating radiators; humidifiers for air-conditioning apparatus; interior environment control system for commercial buildings, namely, heaters, ventilators and humidifiers sold as a unit; humidifiers for ventilation and energy recovery systems; humidifiers for heat exchangers; humidifiers for fuel cells; humidifiers for hydrogen cells; humidifiers for applications in automobiles, trucks and handling
Humidifier installation, repair and maintenance services