Patents by Inventor Andrew B. Lambert

Andrew B. Lambert 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).

  • Dual rate gas spring shock absorber
    Patent number: 8403115
    Abstract: Apparatus and methods for providing a biasing force to a vehicle suspension. The apparatus includes a hydraulic shock absorber that coacts with a gas spring. In some embodiments, the gas spring is externally adjustable with regards to gas pressure, and also with regards to the amount of internal travel possible by a floating gas piston.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: March 26, 2013
    Assignee: Penske Racing Shocks
    Inventors: Bill J. Gartner, Andrew B. Lambert, James M. Arentz
  • DUAL RATE GAS SPRING SHOCK ABSORBER
    Publication number: 20090200760
    Abstract: Apparatus and methods for providing a biasing force to a vehicle suspension. The apparatus includes a hydraulic shock absorber that coacts with a gas spring. In some embodiments, the gas spring is externally adjustable with regards to gas pressure, and also with regards to the amount of internal travel possible by a floating gas piston.
    Type: Application
    Filed: January 12, 2009
    Publication date: August 13, 2009
    Inventors: Bill J. Gartner, Andrew B. Lambert, James M. Arentz