Patents by Inventor Josef Rub

Josef Rub 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).

  • Variable capacity vane pump with means to vary the area of overlap
    Patent number: 4697990
    Abstract: The invention relates to a vane pump having input and output slot means. Either the input slot means or the output slot means are designed such that for a movement of the cam ring into a position of zero excentricity the area of overlap between the input slot means and the output slot means is increased.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: October 6, 1987
    Assignee: Mannesmann Rexroth GmbH
    Inventors: Jorg Dantlgraber, Josef Budel, Josef Rub