Patents by Inventor Devin R. Lacke

Devin R. Lacke 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).

  • Apparatus for administration of a gas to a human and the exhausting thereof
    Patent number: 4151843
    Abstract: An apparatus for administration of a gas to a human and the exhausting thereof including a gas flow control connected to one end of a gas administering device which has on the other end protrusions for sealing engagement with nostrils of the nose. A gas supply conduit is connected to the gas flow control and a gas exhaust conduit is connected to the gas flow control, the gas flow control causes an intake of gas through the supply conduit and said gas administering device and out said protrusions thereon upon inhalation of a user of the apparatus. The gas flow control causes the exhausting of exhaust gas from said gas administering device through said gas flow control and out said gas exhaust conduit to a gas collector upon expiration of the user of the apparatus.The gas flow control causes the flow of fresh gas through a supply conduit to be blocked during user expiration.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: May 1, 1979
    Inventors: John H. Brekke, Devin R. Lacke