Patents by Inventor Max Pfitscher

Max Pfitscher 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).

  • Ball bearings and ball races
    Patent number: 4081204
    Abstract: A thin-walled race for a radical ball bearing and a thin-walled race sheave for an axial ball bearing as well as ball bearings containing said races or thrust washers and a method for producing said races and thrust washers and apparatus for the production of said races and thrust washers and assembly of said bearings.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: March 28, 1978
    Assignee: Industriewerk Schaeffler OHG
    Inventors: Rudolf Bauer, Dieter Goppelt, Hans-Christian Kruger, Max Pfitscher