Patents by Inventor Chris Maifield

Chris Maifield 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).

  • Power management for infinitely variable transmission (IVT) equipped machines
    Patent number: 9126598
    Abstract: The invention relates to power management of a off-highway vehicle. A power management apparatus is described as a vehicle control unit coupled to a vehicle and the vehicle control unit is in communication with an engine and a transmission controller. In response to power management input, the vehicle control unit sends a message to the transmission controller commanding a maximum torque limit based on the maximum drivetrain torque. The maximum torque limit is configured to optimize power to the vehicle implement.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: September 8, 2015
    Assignee: DEERE & COMPANY
    Inventors: Jahmy Hindman, Eric R Anderson, Chris Maifield, Christopher G Parish, Jeremiah J Bock, Daniel Pflieger, Kevin L Pfohl, Clayton G Janasek, Briton T Eastman, Michael D Testerman, Michael L Frank
  • Power management for infinitely variable transmission (IVT) equipped machines
    Publication number: 20070281826
    Abstract: The invention relates to power management of a off-highway vehicle. A power management apparatus is described as a vehicle control unit coupled to a vehicle and the vehicle control unit is in communication with an engine and a transmission controller. In response to power management input, the vehicle control unit sends a message to the transmission controller commanding a maximum torque limit based on the maximum drivetrain torque. The maximum torque limit is configured to optimize power to the vehicle implement.
    Type: Application
    Filed: June 5, 2006
    Publication date: December 6, 2007
    Inventors: Jahmy Hindman, Eric R. Anderson, Chris Maifield, Christopher Graham Parish, Jeremiah Joseph Bock, Daniel Pflieger, Kevin Lee Pfohl, Clayton George Janasek, Briton Todd Eastman, Michael Duane Testerman, Michael L. Frank