Patents by Inventor Terry F. Terwilliger

Terry F. Terwilliger 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).

  • Range section protection valve assembly
    Patent number: 5193410
    Abstract: A shift valve (312) assembly for an auxiliary transmission section (14) shift control system (300)/method is provided which will prevent auxiliary section sychronized clutch (922, 128) damage, and will complete the auxiliary section shaft, if the main transmission section (12) is engaged during an auxiliary section shift into high speed ratio thereof.
    Type: Grant
    Filed: January 23, 1992
    Date of Patent: March 16, 1993
    Assignee: Eaton Corporation
    Inventors: Alan C. Stine, Terry F. Terwilliger, Joseph D. Reynolds, Michael J. Huggins, Mark A. Hirsch