Patents by Inventor Alfred Lieb

Alfred Lieb 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).

  • Robot finger
    Patent number: 3981528
    Abstract: A robot finger comprising a substantially enclosed, hollow elongated body, which body has integral therewith and running lengthwise exteriorly thereof a gripping pad, said hollow body being deformable by fluid pressure in the direction of said gripping pad, said gripping pad being nondeformable in the direction of said body by said fluid pressure, said elongated body having a fluid injection inlet in a wall thereof.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: September 21, 1976
    Assignee: Firma Carl Freudenberg
    Inventors: Paul Andorf, Dietmar Franz, Alfred Lieb, Gerd Upper, Walter Guttropf