Patents by Inventor Reinhardt Hahner

Reinhardt Hahner 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: 3984192
    Abstract: A rotary spindle of a drill mount has a free end provided with a thread whose angle of rise is so selected that its tangent is at least equal to the coefficient of static friction of steel on steel.
    Type: Grant
    Filed: July 13, 1973
    Date of Patent: October 5, 1976
    Assignee: Robert Bosch G.m.b.H.
    Inventors: Karl Wanner, Reinhardt Hahner, Wolfgang Schmid, Manfred Bleicher, Horst Sigg, Jorg Falchle