Patents by Inventor Dietrich Urban

Dietrich Urban 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).

  • Lubricating oil feed system
    Patent number: 4915194
    Abstract: A lubricating system for supplying oil to the bearings of a shaft having a central oil pumping passage open at one end. An oil delivery tube reaches into the oil pumping passage. To achieve a positive transfer of the oil from the oil delivery tube to the inner wall of the oil pumping passage, means are associated with the upper end of the oil delivery tube for bringing the oil onto the inner wall of the oil pumping passage.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: April 10, 1990
    Assignee: Leybold Heraeus GmbH
    Inventors: Heinrich Englander, Frank Fleischmann, Hans-Peter Kabelitz, Winfried Kaiser, Friedrich Schmaus, Gunter Schutz, Ralf Steffens, Dietrich Urban