Patents by Inventor Hermann J. Leuthner

Hermann J. Leuthner 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).

  • Power screwdriver
    Patent number: 4648282
    Abstract: A power screwdriver or nutsetter has an output shaft provided with a torque measuring transducer and a shaft rotation angle transducer mounted thereon. Tool output torque or final turning of a screw or nut can be measured directly and transmitted to a control unit through a shaft mounted slipring assembly. In one embodiment a bevel gear drive is connected to the output shaft and a force measuring transducer is mounted between the shaft and the tool housing for measuring gear reaction forces corresponding to tool output torque.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: March 10, 1987
    Assignee: Cooper Industries
    Inventors: Wolfgang J. Alender, Heinz-Gerhard Anders, Hermann J. Leuthner