Patents by Inventor Hartmut Larsen

Hartmut Larsen 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 coil with stepped winding
    Patent number: 6031443
    Abstract: A coil bobbin for a magnetic coil has a transition between two winding levels, which is provided with a plastic, radially-extending web that extends into the winding space, and the web is provided with a passage for the winding wire to move between the higher and lower levels.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: February 29, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventor: Hartmut Larsen
  • Magnet coil with means for assuring adjustment and firm seating of the coil body in a yoke ring
    Patent number: 5844459
    Abstract: A coil bobbin has first and second end flanges with the first end flange being provided with a projection which receives terminal pins, and this projection is received in a longitudinal extending gap in a yoke ring when the bobbin is inserted therein. To form an aligned firm seating of the coil bobbin in the yoke ring, the second end flange of the bobbin is provided with a radially extending web which forms a press fit with the gap of the yoke ring.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: December 1, 1998
    Assignee: Siemens Aktiengesellschaft
    Inventor: Hartmut Larsen