Patents by Inventor David Shane Vander Kooi

David Shane Vander Kooi 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).

  • Air suspense system for a vehicle
    Patent number: 7530577
    Abstract: An air suspension system for a load bearing vehicle which includes a pair of air springs fluidly connected to a pair of auxiliary air reservoirs and to a main air reservoir. The system includes control valves which permit the air in the air springs to be exhausted therefrom to lower the vehicle frame without exhausting the air from the auxiliary air reservoirs.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: May 12, 2009
    Inventors: Arlin Gene Sandbulte, Craig Alan Jungjohan, David Shane Vander Kooi
  • Air suspense system for a vehicle
    Publication number: 20080238017
    Abstract: An air suspension system for a load bearing vehicle which includes a pair of air springs fluidly connected to a pair of auxiliary air reservoirs and to a main air reservoir. The system includes control valves which permit the air in the air springs to be exhausted therefrom to lower the vehicle frame without exhausting the air from the auxiliary air reservoirs.
    Type: Application
    Filed: June 6, 2008
    Publication date: October 2, 2008
    Inventors: Arlin Gene Sandbulte, Craig Alan Jungjohan, David Shane Vander Kooi
  • Air suspension system for a vehicle
    Patent number: 7416190
    Abstract: An air suspension system for a load bearing vehicle which includes a pair of air springs fluidly connected to a pair of auxiliary air reservoirs and to a main air reservoir. The system includes control valves which permit the air in the air springs to be exhausted therefrom to lower the vehicle frame without exhausting the air from the auxiliary air reservoirs.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: August 26, 2008
    Inventors: Arlin Gene Sandbulte, Craig Alan Jungjohan, David Shane Vander Kooi