Patents by Inventor Michael Donner

Michael Donner 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).

  • Magnetic pole rotor for revolution counting
    Patent number: 6087748
    Abstract: A magnetic pole rotor having a plurality of magnetic poles which are arranged on a base ring. The technical problem is to construct the magnetic pole gear such that a non-rotational connection to the shaft remains assured, even at high operating temperatures. A plastics ring (5) surrounding the magnetic poles is pressed onto a cylindrical surface (2) of the base ring (1) and a cage ring (6) covers the plastics ring (5).
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: July 11, 2000
    Inventor: Michael Donner