Patents by Inventor Richard L. Maxwell

Richard L. Maxwell 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).

  • Planetary worm gear apparatus, and methods of constructing and utilizing same
    Patent number: 4697476
    Abstract: A gear assembly having a primary worm; a planetary worm/gear engaging said primary worm; and a split ring, internal double enveloping worm gear surrounding and engaging said planetary worm/gear. The planetary worm/gear is attached to a planetary carrier on a planetary support shaft which allows the planetary worm/gear to rotate thereon. Primary worm input is utilized. Output may be taken from the planetary carrier or the split ring, internal, double enveloping worm gear.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: October 6, 1987
    Inventor: Richard L. Maxwell
  • Shade for light fixtures
    Patent number: D280240
    Type: Grant
    Filed: June 20, 1983
    Date of Patent: August 20, 1985
    Assignee: Corning Glass Works
    Inventors: Kenneth A. Burket, Gerhard F. Koenig, Richard L. Maxwell, Sr.