Patents by Inventor Willie D. Kent

Willie D. Kent 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).

  • Modular vacuum cleaning system
    Patent number: 4934017
    Abstract: A multiple function, modular vacuum cleaning system is described having a vacuum head which is releasably mounted on a waste recovery tank to form a first, portable wet/dry vacuum cleaning machine. The wet/dry vacuum cleaning machine in turn can be mounted on a cleaning solution tank to provide a second portable machine having wet extraction as well as wet and dry vacuum capabilities.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: June 19, 1990
    Assignee: Rug Doctor, Inc.
    Inventor: Willie D. Kent
  • Tennis racket and string aligner therefor
    Patent number: 4489942
    Abstract: A device for aligning strings in a grid of tennis racket comprised of a base having a peripheral groove for receiving the frame of the racket. The base has a plurality of posts arranged and shaped to intersect the spaces between strings. A cover is hinged to the base and acts as a press to force the tennis racket down on the posts, causing strings to become aligned.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: December 25, 1984
    Inventor: Willie D. Kent
  • Canopy
    Patent number: D256829
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: September 9, 1980
    Inventors: Robert D. Qui, Willie D. Kent
  • Vacuum cleaning machine
    Patent number: D297060
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: August 2, 1988
    Assignee: Rug Doctor, Inc.
    Inventor: Willie D. Kent
  • Vacuum cleaning machine
    Patent number: D297061
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: August 2, 1988
    Assignee: Rug Doctor, Inc.
    Inventor: Willie D. Kent
  • Upright vacuum sweeper
    Patent number: D405567
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: February 9, 1999
    Inventors: Willie D. Kent, Steven R. Kent