Patents by Inventor Gregg Spoolstra

Gregg Spoolstra 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).

  • Fuel injector pump with trapped volume
    Publication number: 20060162696
    Abstract: A pumping system (10) for a fuel injection system including a pump body defining a pumping chamber, a plunger (14), a high-pressure outlet, a high-pressure fluid line (18) connecting the pumping chamber to the outlet and a trapped volume (20) in communication with either the fluid line (18) or the pumping chamber.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 27, 2006
    Inventor: Gregg Spoolstra