Patents by Inventor William D. Jenkins

William D. Jenkins 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).

  • Patent number: 4891916
    Abstract: An orbital table assembly having a top plate which can be made to orbit or translate in a path without rotating, and having a fixed base plate under said top plate and a linkage plate between the two other plates, while an orbiting cam secured to the top plate imparts orbital motion thereto. A first set of arms is provided to secure the linkage plate to the base plate to prevent rotation of the linkage plate while permitting linear lateral movement in one direction only, and a second set of arms is provided secured to secure the top plate to said linkage plate to prevent rotation of said top plate while permitting linear lateral movement in a single direction perpendicular to the aforesaid direction.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: January 9, 1990
    Assignee: Extrude Hone Corporation
    Inventors: Lawrence J. Rhoades, William D. Jenkins
  • Patent number: 4681600
    Abstract: A method is provided for making improved molded abrasive tools by applying centifugal force and/or vibratory action to the abrasive particles during the molding operation. The abrasive is thereby forced and/or sifted preferentially into a closely packed surface layer with close conformity to the mold surface.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: July 21, 1987
    Assignee: Extrude Hone Corporation
    Inventors: Lawrence J. Rhoades, William D. Jenkins, David D. Pertle