Patents by Inventor Richard K. Thomas

Richard K. Thomas 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).

  • Adjustment height can opener
    Patent number: 4831735
    Abstract: An electrically operated portable can opener being adjustable in height to enable opening various size cans, the can opener having a primary housing which is partially received within a secondary base housing with a rotary cam serving to control the raising and lowering of the primary housing with respect to the base housing.
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: May 23, 1989
    Assignee: Sunbeam Corporation
    Inventors: Eleanor A. Bast, Richard K. Thomas
  • Rechargeable battery operated appliance system
    Patent number: 4647831
    Abstract: A rechargeable battery operated appliance system including a plurality of battery operated appliances, each having a charging stand, there being plug receptacles mounted in the cord storage recesses of all but one of the charging stands with the receptacles connected in parallel with the power cords and to the charging circuits for each appliance to permit interconnection of the charging stands.
    Type: Grant
    Filed: April 4, 1986
    Date of Patent: March 3, 1987
    Assignee: John Zink Company
    Inventors: Kevin P. O'Malley, Richard K. Thomas
  • Clock
    Patent number: D247476
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: March 14, 1978
    Assignee: Sunbeam Corporation
    Inventors: Raymond Dybala, Richard K. Thomas
  • Clock
    Patent number: D254483
    Type: Grant
    Filed: November 9, 1977
    Date of Patent: March 18, 1980
    Assignee: Sunbeam Corporation
    Inventor: Richard K. Thomas
  • Clock
    Patent number: D255221
    Type: Grant
    Filed: November 9, 1977
    Date of Patent: June 3, 1980
    Assignee: Sunbeam Corporation
    Inventor: Richard K. Thomas
  • Mixer
    Patent number: D255760
    Type: Grant
    Filed: July 14, 1978
    Date of Patent: July 8, 1980
    Assignee: Sunbeam Corporation
    Inventors: Robert O. Ernest, Richard K. Thomas, Gordon T. Guth
  • Stand for a mixer
    Patent number: D256319
    Type: Grant
    Filed: July 14, 1978
    Date of Patent: August 12, 1980
    Assignee: Sunbeam Corporation
    Inventors: Robert O. Ernest, Richard K. Thomas, Gordon T. Guth
  • Food processor base
    Patent number: D265165
    Type: Grant
    Filed: June 27, 1980
    Date of Patent: June 29, 1982
    Assignee: Sunbeam Corporation
    Inventors: Robert O. Ernest, Richard K. Thomas
  • Food processor
    Patent number: D267538
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: January 11, 1983
    Assignee: Sunbeam Corporation
    Inventors: Norman A. Steinkamp, Richard K. Thomas, Bernard B. Bluestein
  • Frypan control
    Patent number: D280711
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: September 24, 1985
    Assignee: John Zink Company
    Inventor: Richard K. Thomas
  • Can opener
    Patent number: D288403
    Type: Grant
    Filed: December 19, 1984
    Date of Patent: February 24, 1987
    Assignee: John Zink Company
    Inventors: Norman A. Steinkamp, Richard K. Thomas
  • Can opener housing
    Patent number: D289600
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: May 5, 1987
    Assignee: John Zink Company
    Inventor: Richard K. Thomas
  • Carving knife housing
    Patent number: D289963
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: May 26, 1987
    Assignee: John Zink Company
    Inventor: Richard K. Thomas
  • Food processor base
    Patent number: D290218
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: June 9, 1987
    Assignee: John Zink Company
    Inventor: Richard K. Thomas
  • Can opener
    Patent number: D302929
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: August 22, 1989
    Assignee: Sunbeam Corporation
    Inventor: Richard K. Thomas
  • Portable electric food mixer
    Patent number: D309081
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: July 10, 1990
    Assignee: Sunbeam Corporation
    Inventor: Richard K. Thomas
  • Food mixer
    Patent number: D319555
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: September 3, 1991
    Inventor: Richard K. Thomas
  • Food blender vessel
    Patent number: D327812
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: July 14, 1992
    Assignee: Sunbeam Corporation
    Inventors: Richard K. Thomas, Eleanor A. Bast
  • Food mixer
    Patent number: D338371
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: August 17, 1993
    Assignee: Sunbeam Corporation
    Inventor: Richard K. Thomas