Patents by Inventor Karl Austermann

Karl Austermann 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).

  • Providing cardan and universal joint-type shafts with gearing
    Patent number: 4313328
    Abstract: A hollow, tubular blank is provided with annular, radially inwardly and/or outwardly extending protrusions by means of rolling or upsetting. These protrusions are provided with gearing teeth by means of an annular drawing die and a plug, one of these or both being provided with a gearing-forming profile.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: February 2, 1982
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Manfred Janssen, Karl Austermann, Volker Schmidt