Patents by Inventor Stephan Greitzke

Stephan Greitzke 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).

  • Protective device for an electrical consumer
    Patent number: 5604476
    Abstract: A protective device for an electrical consumer disposed in a consumer circuit. The protective device has sensor elements for detecting an operating state of the electrical consumer, and an electronic evaluation and control unit operatively connected to the sensor elements for evaluating and controlling the operating state of the electrical consumer detected by the sensor elements. The protective device further includes a protective switch responsive to the operating state of the electrical consumer for interrupting the consumer circuit. The protective switch comprises a control circuit including a bimetallic strip and a temperature-dependent resistor for deflecting the bimetallic strip for interrupting the consumer circuit, the bimetallic strip thereby defining a deflecting direction. The protective device further includes a power supply unit for supplying electrical power to the sensor elements, the evaluation and control unit and the protective switch.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: February 18, 1997
    Assignees: Ellenberger & Poensgen GmbH, Wilo, GmbH
    Inventors: Wolfgang Schmidt, Ulrich Reichert, Fritz Krasser, Frank Tolksdorf, Stephan Greitzke, Hansjuergen Kech
  • Remote control
    Patent number: D584694
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: January 13, 2009
    Assignee: Wilo SE
    Inventor: Stephan Greitzke
  • Remote control
    Patent number: D595696
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: July 7, 2009
    Assignee: WILO SE
    Inventor: Stephan Greitzke