Patents by Inventor George J. Bert

George J. Bert 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).

  • Power transmission unit
    Patent number: 3965773
    Abstract: A power transmission unit which can be used as a speed increaser or a speed reducer. A cylindrical element is fixed on a shaft and a second cylindrical element surrounding the first element is adapted to roll eccentrically therearound and to rotatably drive an element connectable thereto. The cylindrical element may be provided with smooth contacting surfaces or alternatively gear teeth or the like to provide in either instance a slip-free engagement therebetween.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: June 29, 1976
    Inventors: George J. Bert, Edward J. Stehle, Herbert D. Groth