Patents by Inventor Larry S. Hilderbrand

Larry S. Hilderbrand 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).

  • Internally damped stator, rotor, and transformer and a method of making
    Patent number: 6499209
    Abstract: The present invention provides internally damped stators, rotors, and transformers; internally damped cores from which they may be made; and a method of making the aforementioned.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: December 31, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Donald T. Landin, Gordon G. Johnson, Jeffrey W. McCutcheon, Larry S. Hilderbrand
  • Internally damped stator, rotor, and transformer and a method of making
    Patent number: 6191510
    Abstract: The present invention provides internally damped stators, rotors, and transformers; internally damped cores from which they may be made; and a method of making the aforementioned.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: February 20, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Donald T. Landin, Gordon G. Johnson, Jeffrey W. McCutcheon, Larry S. Hilderbrand