Patents by Inventor Erhart Wilisch

Erhart Wilisch 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: 4168664
    Abstract: A braking device for buffer stop assemblies comprises a buffer rail which is displaceably guided on a buffer stop construction, there being provided at least one friction element and bolts for clamping the friction element in braking frictional engagement with the buffer rail. The buffer rail is formed as a circular cross section tube having a smooth outer surface and the friction element by brake blocks engaging opposite sides of the tube and pressed against the tube by the bolts.
    Type: Grant
    Filed: March 15, 1978
    Date of Patent: September 25, 1979
    Inventor: Erhart Wilisch