Patents by Inventor Waldemar Petrov

Waldemar Petrov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Convector heater
    Patent number: D1006966
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: December 5, 2023
    Assignee: STEGO-Holding GmbH
    Inventors: Susanne Vogt, Elmar Mangold, Waldemar Petrov
  • Convector heater
    Patent number: D1009234
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: December 26, 2023
    Assignee: STEGO-Holding GmbH
    Inventors: Susanne Vogt, Elmar Mangold, Waldemar Petrov
  • Convector heater
    Patent number: D1009235
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: December 26, 2023
    Inventors: Susanne Vogt, Elmar Mangold, Waldemar Petrov