Patents by Inventor Rainer Mackel

Rainer Mackel 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).

  • Electrosurgical apparatus and method for its operation
    Patent number: 5849010
    Abstract: An electrosurgical apparatus has a radio-frequency generator (11) with a variable basic power setting and to which a cutting electrode (12) and a neutral electrode (13) are connected. A power measuring device (15) is connected to the electrodes (12, 13) and acts on a regulating stage (16) which is connected to the power regulating input of the radio-frequency generator (11). The number of sparkovers within a predetermined plural number of periods is determined and is set by regulation of the output power of the radio-frequency generator (11) to a constant value which lies beneath twice the predetermined plural number.
    Type: Grant
    Filed: October 30, 1995
    Date of Patent: December 15, 1998
    Assignee: Helmut Wurzer
    Inventors: Helmut Wurzer, Rainer Mackel