Patents by Inventor Barry C. Beyer

Barry C. Beyer 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).

  • Gasketless air damper
    Patent number: 4917350
    Abstract: A gasketless air damper includes a cylindrical sleeve having an inwardly protruding integral seal ridge. A circular blade damper disposed for rotation in the sleeve has integral oppositely oriented edge seals that aerodynamically interact with airflow through the damper and which, in a closed position, provide for a tight gasketless seal between the damper blade and the seal ridge integrally formed in the damper sleeve.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: April 17, 1990
    Assignee: American Standard Inc.
    Inventors: Barry C. Beyer, Thomas M. Pendergrass