Patents by Inventor Stanley Edwards

Stanley Edwards 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).

  • Two piece separable impeller and inner drive for pump
    Publication number: 20060177321
    Abstract: A separable impeller and inner drive are constructed from different plastics. The inner drive includes a metallic drive ring that receives drive lugs extending from the impeller. A bushing directly supports the inner drive and impeller and maintains extensions from the impeller in engagement with an annular groove in the inner drive.
    Type: Application
    Filed: April 4, 2005
    Publication date: August 10, 2006
    Inventors: Stanley Edwards, Loren McGilvrey, Sheldon Swenson