Patents by Inventor Walter-Gerhard Wrobel

Walter-Gerhard Wrobel 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).

  • Process for cutting a material by means of a laser beam
    Patent number: 4952771
    Abstract: In a process for cutting a material by means of a laser beam, in order to avoid accidental injury to the operator or damage to the material to be cut, it is proposed that there be generated before the exiting point of the laser radiation from a light guide a compact jet of laser-radiation-transmissive liquid immediately adjoining the light guide and this jet be directed at the material to be cut. A device for performing this process is also proposed.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: August 28, 1990
    Assignee: Aesculap AG
    Inventor: Walter-Gerhard Wrobel