Patents by Inventor Herbert J. Schaus

Herbert J. Schaus 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).

  • Methods and apparatus for the control of smoke and fire in buildings
    Patent number: 4805835
    Abstract: Smoke and fire control devices and systems are disclosed, including smoke control devices which are responsive to smoke to evacuate smoke and also responsive to elevated temperatures to terminate the evacuation of smoke. Other disclosed smoke control devices comprise valving means which also function as curtain boards, and second valving means which serve to terminate the evacuation of smoke when the temperature of the evacuated smoke and other gases becomes excessive.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: February 21, 1989
    Inventor: Herbert J. Schaus
  • Methods and apparatus for the control of smoke and fire in buildings
    Patent number: 4463896
    Abstract: Smoke and fire control devices and systems are disclosed, including smoke control devices which are responsive to smoke to evacuate smoke and also responsive to elevated temperatures to terminate the evacuation of smoke. Other disclosed smoke control devices comprise valving means which also function as curtain boards, and second valving means which serve to terminate the evacuation of smoke when the temperature of the evacuated smoke and other gases becomes excessive.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: August 7, 1984
    Inventor: Herbert J. Schaus