Patents by Inventor Erich Köhler

Erich Köhler 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 of manufacturing core laminations for laminated cores of rotors and/or stators
    Patent number: 6634081
    Abstract: Core laminations for laminated cores of rotors and stators are partially made of partial ring segments that are at least partially stamped out of a central part produced as a remainder in a piece of sheet metal when manufacturing annular core laminations.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: October 21, 2003
    Assignee: Kienle & Spiess Stanz- ung Druckgiesswerk GmbH
    Inventors: Erich Köhler, Gerd Rommel