Patents by Inventor Rainer Nickel

Rainer Nickel 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).

  • Gear wheel mechanism
    Patent number: 4905535
    Abstract: A hydrostatic gear wheel mechanism has two intermeshing gear wheels in the work space of a housing. To continuously rinse the gear wheel and housing surfaces which slide on each other, grooves on the gear wheel convey lubricant from the work space to between the gear wheel front faces and the axial end walls of the work space.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: March 6, 1990
    Assignee: Mannesmann Rexroth GmbH
    Inventors: Werner Ludwig, Rainer Nickel