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 NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, November 6, 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.