Patents by Inventor Gary R. Kirby

Gary R. Kirby 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).

  • Breathing apparatus
    Patent number: 4111342
    Abstract: In a breathing apparatus having a pressurized tank of a breathable gas, pressure reducing means attached to the outlet of said tank, a pressure gauge line attached to said pressure reducing means, and a breathing tube, the improvement comprising a quick connect-disconnect fluid coupling fluidly connected to said pressure gauge line. The fluid coupling is adapted for attachment to a like fluid coupling on a second pressure gauge line so that upon attachment, two users can simultaneously utilize a single tank of pressurized air.
    Type: Grant
    Filed: August 19, 1976
    Date of Patent: September 5, 1978
    Inventor: Gary R. Kirby