Patents by Inventor John E. Garriss

John E. Garriss 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).

  • Energy conserving laboratory hood system
    Patent number: 4215627
    Abstract: An energy saving ambient pressure compensating laboratory fume hood system which provides safe, economical constant-velocity hood intake at all positions of hood access-opening and regardless of ambient pressure changes by means, in typical embodiment, of coacting cam and venturi structure linked to the hood sash.
    Type: Grant
    Filed: December 29, 1978
    Date of Patent: August 5, 1980
    Inventor: John E. Garriss
  • Energy conserving laboratory hood
    Patent number: 4155289
    Abstract: An energy saving ambient pressure compensating laboratory fume hood system which provides safe, economical, constant-velocity hood intake at all positions of hood access-opening and regardless of ambient pressure changes by means, in typical embodiment, of coacting cam and venturi structure linked to the hood sash.
    Type: Grant
    Filed: May 25, 1978
    Date of Patent: May 22, 1979
    Inventor: John E. Garriss
  • Passive heat-transport system
    Patent number: 4128123
    Abstract: A passive system for volatile-fluid transport of heat energy from a source at a relatively higher temperature to a remote sink at a relatively lower temperature and for return of condensate from sink to source, operated by heat energy transported and temperature difference between source and sink.
    Type: Grant
    Filed: January 4, 1978
    Date of Patent: December 5, 1978
    Inventors: John E. Garriss, Daniel E. Garriss