Patents by Inventor Joel Frerichs

Joel Frerichs 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).

  • METHOD FOR CONTROLLING A VARIABLE-SPEED ENGINE
    Publication number: 20060276304
    Abstract: A method for controlling a variable-speed engine of a work machine is provided. The work machine may include a park-brake. The method may include receiving a signal indicating an engagement status of the park-brake. The method may also include operating the variable-speed engine at a first idle speed. Additionally, the method may include operating the variable-speed engine at a second idle speed, lower than the first idle speed, only if the signal indicates that the park-brake is engaged.
    Type: Application
    Filed: June 1, 2005
    Publication date: December 7, 2006
    Inventors: Jeffrey Jensen, Marvin Palmer, Lisa Christopherson, Joel Frerichs