Patents by Inventor Charles A. Overbey

Charles A. Overbey 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).

  • Dual flush devices for toilets
    Patent number: 4135262
    Abstract: Improvements applicable to dual flush devices for saving of water in toilets. Included are improvements in float designs, a positioner for flapper/ball valves, surface tension reduction features, novel float retaining means, triggering means for dual flush devices, pushbutton operation of dual flush devices, and a method for traversing the toilet tank wall with controlling means for dual flush devices.
    Type: Grant
    Filed: August 1, 1977
    Date of Patent: January 23, 1979
    Inventor: Charles A. Overbey