Patents by Inventor Gary Redhead

Gary Redhead 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).

  • Sequencing valve
    Patent number: 6050286
    Abstract: The present device relates to an apparatus and method for automatically sequencing the flow of fluid between one fluid source and at least two fluid chambers in response to an interruption of fluid flow or pressure. Particularly, the device relates to irrigation. In its preferred embodiment, the apparatus is a sequencing valve that includes a two-sided flapper valve that is controlled by a spring and piston mechanism in order to direct fluid flow between chambers. In an alternate embodiment, the device includes a mechanism that also allows manual sequencing of fluid flow.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: April 18, 2000
    Assignee: L.R. Nelson Corporation
    Inventors: Thomas R. Kruer, Kenneth J Bruninga, Gary Redhead
  • Easy set 3 dial timer
    Patent number: D451037
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: November 27, 2001
    Assignee: L. R. Nelson Corporation
    Inventors: Scott Jacobs, Gary Redhead, Randy Symonds, Joyce Thomas
  • Easy set timer 1
    Patent number: D451411
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: December 4, 2001
    Assignee: L. R. Nelson Corporation
    Inventors: Scott Jacobs, Gary Redhead, Randy Symonds, Joyce Thomas
  • Easy set timer 2
    Patent number: D451412
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: December 4, 2001
    Assignee: L. R. Nelson Corporation
    Inventors: Scott Jacobs, Gary Redhead, Randy Symonds, Joyce Thomas
  • Sequencing valve
    Patent number: D412549
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: August 3, 1999
    Assignee: L. R. Nelson
    Inventors: Gary Redhead, Thomas R. Kruer, Kenneth J. Bruninga