Patents by Inventor Rainer-Karl Worschischek

Rainer-Karl Worschischek 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).

  • Dental handpiece arrangement
    Patent number: 4681540
    Abstract: An improved dental handpiece arrangement utilizes a drive cartridge containing the drive motor. The drive cartridge coacts with a coupling member and can be utilized with either a tubular adapter which enables use with one type of dental grip piece or can be utilized with a grip piece having an integral tubular portion for receiving the cartridge. The arrangement with the motor cartridge provides a great flexibility of utilizing grip pieces of different constructions.
    Type: Grant
    Filed: October 17, 1985
    Date of Patent: July 21, 1987
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hermann Landgraf, Werner Schuss, Rainer-Karl Worschischek