Patents by Inventor Jurgen Leinhos

Jurgen Leinhos 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).

  • Method to manufacture pole pieces for dynamo electric machine, and so-made pole piece
    Patent number: 4448055
    Abstract: A blank 1 is removed from a strip of material 2 and placed in a die against which a lower punch and an upper punch are operable. In one step, by moving of the lower punch upwardly, shaped to form the pole core or pole piece, and the upper punch against the blank in the die, the pole piece, pole shoes, and outer pole radii at the end portions are formed. If desired, the pole can be perforated and the perforation formed with a thread, and accurately sized in the subsequent cutting and sizing step.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: May 15, 1984
    Assignee: Robert Bosch GmbH
    Inventors: Hans Wurth, Jurgen Leinhos