Patents by Inventor Robert G. Whitman

Robert G. Whitman 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).

  • Washing machine speed sensor
    Patent number: 6568018
    Abstract: A washing machine (10) includes a one part sensor (60, 70) mounted to detect passage of a component normally associated with, and rotatable with, the drive shaft (25) of the machine (10) to detect speed of rotation of the shaft (25) and, in turn, speed of rotation of the clothes basket (22) without the need for a second, additional component not normally required for proper rotational operation of basket (22).
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: May 27, 2003
    Assignee: Standet International Corporation
    Inventors: Edward R. Chamberlin, Alan Mark Faulhaber, Jr., Robert G. Whitman
  • Washing machine motor cut-off
    Patent number: 6477866
    Abstract: A washing machine (10) includes a motor cut-off circuit (70) which includes a fuse (100) and a blow switch (110) responsive to a brake failure signal (BFS) to blow the fuse (100) and prevent the motor (40) from thereafter being energized until the fuse (100) is reset or replaced.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: November 12, 2002
    Assignee: Standex International Corporation
    Inventors: Edward R. Chamberlin, Robert G. Whitman