Patents by Inventor Helmut Sellmair

Helmut Sellmair 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 case having three lubricant chambers
    Patent number: 5768954
    Abstract: A gear case for a vehicle which has three casing chambers in which a first wall (11) separates the first (2) and the second (3) casing chambers from one another. The first wall (11) determines an upper lubricant level (22) while a lower lubricant level (21) of the gear casing is set by the volume of lubricant in the first (2) and the third (4) casing chambers.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: June 23, 1998
    Assignee: ZF Friedrichshafen AG
    Inventors: Werner Grabherr, Helmut Sellmair