Patents by Inventor Heinz G. Anders

Heinz G. Anders 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).

  • Compressed-air screw or bolt tightener, especially an impulse or a torque screw or bolt tightener
    Patent number: 5439063
    Abstract: A compressed-air screw or bolt tightener having a driving motor which drives a driving shaft for a screwing or tightening tool is disclosed. The motor is operated by compressed air and a control valve for switching the compressed-air supply to the screw or bolt tightener on or off. A pressure-regulating valve is used to regulate the kinetic energy of the screw or bolt tightener.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: August 8, 1995
    Assignee: Cooper Industries, Inc.
    Inventors: Heinz G. Anders, Konrad K. Kettner