Patents by Inventor YIDAN CHANG

YIDAN CHANG 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).

  • Patent number: 10576981
    Abstract: A control system for an off-highway vehicle including a foot operated drive pedal, a foot operated retard pedal, and a hand operated auxiliary drive/retard control. The auxiliary drive/retard control is operable in a first state to signal a request for drive torque and a second state to signal a request for retard torque.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: March 3, 2020
    Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Yidan Chang
  • Publication number: 20170282918
    Abstract: A control system for an off-highway vehicle including a foot operated drive pedal, a foot operated retard pedal, and a hand operated auxiliary drive/retard control. The auxiliary drive/retard control is operable in a first state to signal a request for drive torque and a second state to signal a request for retard torque.
    Type: Application
    Filed: September 17, 2015
    Publication date: October 5, 2017
    Inventor: YIDAN CHANG