Patents by Inventor Jeffrey David Miller

Jeffrey David Miller 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).

  • Transmission shift system
    Patent number: 7556579
    Abstract: A transmission shift system includes a first control path having a first electrically actuated valve system, and is configured to selectively direct hydraulic pressure to a first plurality of clutches for selecting only an output speed. A second control path independent of the first control path includes a second electrically actuated valve system, and is configured to selectively direct hydraulic pressure to a second plurality of clutches for selecting only an output direction. A shifter has a plurality of switches, each switch being in direct electrical connection with a corresponding of the first electrically actuated valve system and the second electrically actuated valve system for operating the first control path and the second control path controllerlessly, wherein the plurality of switches are operated manually using the shifter.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: July 7, 2009
    Assignee: Deere & Company
    Inventors: Jeffrey David Miller, Steve Gary Fleischmann, Timothy Bernard French
  • TRANSMISSION SHIFT SYSTEM
    Publication number: 20080090700
    Abstract: A transmission shift system includes a first control path having a first electrically actuated valve system, and is configured to selectively direct hydraulic pressure to a first plurality of clutches for selecting only an output speed. A second control path independent of the first control path includes a second electrically actuated valve system, and is configured to selectively direct hydraulic pressure to a second plurality of clutches for selecting only an output direction. A shifter has a plurality of switches, each switch being in direct electrical connection with a corresponding of the first electrically actuated valve system and the second electrically actuated valve system for operating the first control path and the second control path controllerlessly, wherein the plurality of switches are operated manually using the shifter.
    Type: Application
    Filed: October 17, 2006
    Publication date: April 17, 2008
    Inventors: Jeffrey David Miller, Steve Gary Fleischmann, Timothy Bernard French