Patents by Inventor Heinz Wolzenburg

Heinz Wolzenburg 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).

  • Center-free one-row wire ball bearing
    Patent number: 4015884
    Abstract: A center-free one-row ball bearing with only two race wires arranged in non-divided bearing rings and with two-point contact, in which the radius generating the rolling surface of the race ways is always greater than the radius of the balls rolling in these race ways. The two race wires which are preferably made of profiled material and which receive the balls therebetween are arranged in the bearing rings radially with regard to the axis of rotation of the bearing.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: April 5, 1977
    Assignee: Hoesch Werke Aktiengesellschaft
    Inventors: Johannes Bertram, Heinz Wolzenburg