Patents by Inventor Henry M. Moeller

Henry M. Moeller 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).

  • Hydraulic pumping device
    Patent number: 5469776
    Abstract: A hydraulic pumping device for use in a hydraulic machine having a piston and slider shoe unit made of a combination of plastic and metal material to operate with virtually lubricant free fluid.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: November 28, 1995
    Assignee: Danfoss A/S
    Inventors: Lars Martensen, Ove T. Hansen, Henry M. Moeller, Hardy Jepsen