Patents by Inventor David C. Brenner

David C. Brenner 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).

  • Flow control apparatus and method
    Patent number: 5558494
    Abstract: A flow control apparatus receives air flow through a closure (A) for discharge through an orifice plate (B) carried at an air exit end opposite an opening in a wall, wherein a bellmouth air entrance member (C) receives air flow from the closure (A) and directs same to an evase (D) for reception thereby through an exit opening in the orifice plate for discharge through the exit opening in the wall.
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: September 24, 1996
    Inventors: John E. Chambers, David C. Brenner
  • Cartridge filter and method
    Patent number: 5393327
    Abstract: An air filter cartridge receives air flow through a side filter media (A) for discharge through an orifice plate (B) carried at an air exit end opposite an opening in a wall, wherein a bellmouth air entrance member (C) within the air filter cartridge receives air flow from the filter media (A) and directs same to an evase (D) for reception thereby through an exit opening in the orifice plate for discharge through the exit opening in the wall.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: February 28, 1995
    Assignee: Thermo-Kinetics Industries, Inc.
    Inventors: John E. Chambers, David C. Brenner