Patents by Inventor George Roche

George Roche 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).

  • Diaphragm assembly
    Patent number: 4224860
    Abstract: A diaphragm assembly for servo motors has been provided wherein a pair of backing elements have opposed portions acting on opposite sides of a diaphragm assembly and are held in fixed relationship to each other through the means of a sonic weld located at a point remote from the diaphragm to provide a leak-proof diaphragm assembly which lends itself to ready modification to accept valves or diaphragms to change the operating characteristics for different applications.
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: September 30, 1980
    Assignee: BLD Products, Ltd.
    Inventors: Larry Neighbor, George Roche