Patents by Inventor David Ochab

David Ochab 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).

  • True four wheel drive system for vehicle
    Patent number: 9272620
    Abstract: A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1:1 gear ratio.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: March 1, 2016
    Assignee: The Hilliard Corporation
    Inventors: Howard J. Knickerbocker, David Ochab, J. Brendan Brewer, James E. Palmer
  • True Four Wheel Drive System for Vehicle
    Publication number: 20140038763
    Abstract: A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1:1 gear ratio.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Inventors: Howard J. Knickerbocker, David Ochab, J. Brendan Brewer, James E. Palmer