Patents by Inventor Valerian RENKE

Valerian RENKE 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).

  • AIR EXHAUST VALVE FOR VENTILATING ROOMS
    Publication number: 20220146142
    Abstract: The invention relates to an air exhaust valve (1). The air exhaust valve (1) comprises an inner baffle element (10) located at a radially inside position and an outer baffle element (20) located at a radially outside position and surrounding said inner baffle element (10) for defining an air flow space (70) between said inner baffle element (10) and said outer baffle element (20). There are provided an inner plurality of slits or grooves in said inner baffle element (10) and/or an outer plurality of slits or grooves (21) in said outer baffle element (20).
    Type: Application
    Filed: March 10, 2020
    Publication date: May 12, 2022
    Inventors: Michael WIND, Andreas HILLER, Valerian RENKE, Remco WALTA