Patents by Inventor Robert C. Hammond

Robert C. Hammond 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).

  • Appliance timer
    Patent number: 6844513
    Abstract: An improved timer for controlling an appliance includes a camstack having a plurality of cam surfaces defined therein. A switch block cooperates with the plurality of cam surfaces to provide first switching operations for the appliance. A sensor detects rotation of the camstack, and generates position signals in response thereto. A processor is configured to receive the position signals and generate control signals in response thereto, wherein an auxiliary switching operation is performed in response to generation of the control signals.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: January 18, 2005
    Assignee: Emerson Electric Co.
    Inventors: Ellis P. Lipp, Laurence S. Slocum, Robert C. Hammond
  • Appliance timer
    Publication number: 20030116558
    Abstract: An improved timer for controlling an appliance includes a camstack having a plurality of cam surfaces defined therein. A switch block cooperates with the plurality of cam surfaces to provide first switching operations for the appliance. A sensor detects rotation of the camstack, and generates position signals in response thereto. A processor is configured to receive the position signals and generate control signals in response thereto, wherein an auxiliary switching operation is performed in response to generation of the control signals.
    Type: Application
    Filed: August 28, 2002
    Publication date: June 26, 2003
    Inventors: Ellis P. Lipp, Laurence S. Slocum, Robert C. Hammond
  • Cribbage board or the like
    Patent number: D283600
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: April 29, 1986
    Inventor: Robert C. Hammond