Patents by Inventor Franklin H. Sinclair

Franklin H. Sinclair 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).

  • Valve position monitor
    Patent number: 6820647
    Abstract: A valve position monitor that provides simultaneous visual and electrical signals of valve position is disclosed. A method of monitoring the position of a valve by utilizing the valve position monitor described herein is also disclosed.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: November 23, 2004
    Assignee: Westlock Controls Corporation
    Inventors: John Jude Grecco, Antimo J. Martin, Leo Minervini, Franklin H. Sinclair
  • Indicator assembly
    Patent number: 4494565
    Abstract: There is disclosed a novel indicator assembly comprised of a housing member mounted to a fluid handling apparatus and an indicator member mounted for rotation within the housing member operationally associated to a moving member of the fluid handling apparatus wherein the housing member is provided with transparent sectors permitting visual observation of the indicator member and wherein the indicator member is provided with colored sectors to visually cooperate with the transparent sectors of the housing member to indicate operational modes of the fluid handling apparatus.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: January 22, 1985
    Assignee: Westlock Controls Corporation
    Inventors: Franklin H. Sinclair, Gary Glockner
  • Indicator assembly
    Patent number: 4494566
    Abstract: There is disclosed a novel indicator assembly comprised of a housing member mounted to a fluid handling apparatus and an indicator member mounted for rotation within the housing member operationally associated to a moving member of the fluid handling apparatus wherein the housing member is provided with transparent sectors permitting visual observation of the indicator member and wherein the indicator member is provided with colored sectors to visually cooperate with the transparent sectors of the housing member to indicate operational modes of the fluid handling apparatus.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: January 22, 1985
    Assignee: Westlock Controls Corporation
    Inventors: Franklin H. Sinclair, Gary Glockner
  • Keycard
    Patent number: D295920
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: May 31, 1988
    Assignee: Howard A. Osofsky
    Inventors: Howard A. Osofsky, Franklin H. Sinclair
  • Keycard with indexing channels
    Patent number: D300148
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: March 7, 1989
    Inventors: Howard A. Osofsky, Franklin H. Sinclair