Patents by Inventor Derek TOMHAVE

Derek TOMHAVE 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).

  • Reverse modulation valve assembly including deadband state
    Patent number: 11609585
    Abstract: A valve assembly is provided. The valve assembly includes a valve body defining a bore. The valve assembly further includes a pull rod disposed in the bore and defining a bolt cavity. The pull rod is moveable between a first pull rod position and a second pull rod position. The valve assembly further includes a bolt disposed in the bolt cavity and moveable with respect to the pull rod between a first bolt position and a second bolt position. The valve assembly further includes a spool disposed in the bore. The spool is operatively coupled to the pull rod to move between an energized position and a neutral position.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: March 21, 2023
    Assignee: ZF OFF-HIGHWAY SOLUTIONS MINNESOTA INC.
    Inventors: Peter Backes, Derek Tomhave, Nathan Grotz
  • REVERSE MODULATION VALVE ASSEMBLY INCLUDING DEADBAND STATE
    Publication number: 20210165431
    Abstract: A valve assembly is provided. The valve assembly includes a valve body defining a bore. The valve assembly further includes a pull rod disposed in the bore and defining a bolt cavity. The pull rod is moveable between a first pull rod position and a second pull rod position. The valve assembly further includes a bolt disposed in the bolt cavity and moveable with respect to the pull rod between a first bolt position and a second bolt position. The valve assembly further includes a spool disposed in the bore. The spool is operatively coupled to the pull rod to move between an energized position and a neutral position.
    Type: Application
    Filed: November 25, 2020
    Publication date: June 3, 2021
    Inventors: Peter BACKES, Derek TOMHAVE, Nathan GROTZ