Patents by Inventor James W. Grant

James W. Grant 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).

  • Pneumatic vehicle jacking system
    Patent number: 7828304
    Abstract: The present invention is an apparatus or device for jacking an individual axle of a truck or a truck trailer having an air line. The device includes a valve in fluid communication with the air line, a first air bag in fluid communication with the valve, and a second air bag in fluid communication with the first air bag.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: November 9, 2010
    Assignee: Altair Engineering, Inc.
    Inventors: James Meredith Amrine, Jr., James W. Grant