Patents by Inventor Patrice Baumgartel

Patrice Baumgartel 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).

  • Patent number: 4531816
    Abstract: A spacing safety mechanism for operation microscopes with electromotive stands is described, in which ultrasonic transmitter and an ultrasonic receiver are arranged in the vicinity of the operation microscope. When the travel time of the ultrasonic signals reflected by the body of the patient is less than a predeterminable value, the voltage supply of the motor for the downward movement of the operation microscope is interrupted.
    Type: Grant
    Filed: July 22, 1983
    Date of Patent: July 30, 1985
    Assignee: Carl-Zeiss-Stiftung
    Inventor: Patrice Baumgartel