Patents by Inventor George E. Gilchrist

George E. Gilchrist 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).

  • Water closet ventilating system with vacuum breaker valve
    Patent number: 4232406
    Abstract: A system for ventilating the toilet bowl of a water closet of the type having a standpipe in the flush tank thereof and wherein the lower end of the standpipe is connected to the conduit which extends between the flush tank and the flush ring in the toilet bowl and the upper end of the standpipe extends above the normal level of the water in the flush tank. The inlet of a suction fan communicates with the space above the level of the water in the flush tank and the outlet of the fan is connected to a suitable point of discharge for gases withdrawn from the toilet bowl.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: November 11, 1980
    Inventors: Lester R. Beeghly, George E. Gilchrist