Patents by Inventor Horst Stelling

Horst Stelling 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).

  • Mass spectrometer
    Patent number: 4506227
    Abstract: A resonant-circuit, high-frequency electrical power supply for a mass spectrometer has a transductor for magnetically retuning the power supply in response to tuning variations produced by operating variations in the mass spectrometer.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: March 19, 1985
    Assignee: Leybold Heraeus GmbH
    Inventors: Raymond Heinen, Horst Stelling