Patents by Inventor David D. Hypes

David D. Hypes 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).

  • Hydrostatic pump assembly having symmetrical endcap
    Publication number: 20040175277
    Abstract: A hydrostatic pump assembly having a casing which encloses a pumping mechanism, and including a housing, and an endcap attached to the housing. The endcap has at least one lateral exterior surface, and a first system fluid passage having a pair of system ports located in the endcap lateral exterior surface, and a second system fluid passage having a pair of system ports located in the endcap lateral exterior surface, each of the first and second system fluid passages being in fluid communication with the pumping mechanism. In one embodiment, the pair of system ports of the first system fluid passage are located opposite each other in the endcap lateral exterior surface. The pair of system ports of the second system fluid passage may also be located opposite each other in the endcap lateral exterior surface.
    Type: Application
    Filed: June 24, 2003
    Publication date: September 9, 2004
    Inventors: C. Paul Cox, David D. Hypes, Orville R. McDonner