Patents by Inventor Nigel John Goodall

Nigel John Goodall 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).

  • Pump having a main outlet communicating with a secondary outlet by a gap
    Patent number: 6419469
    Abstract: A pump has meshing inner and outer rotors mounted eccentrically in a housing. The pump also has an inlet and a main outlet. The main outlet communicates via a control gap with a secondary outlet. The control gap provides a filtering action for some of the fluid pumped.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: July 16, 2002
    Assignee: Dana Automotive Limited
    Inventors: David Robert Shulver, Michael David Rowe, Nigel John Goodall