Patents by Inventor Alfred Bald

Alfred Bald 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: 4328665
    Abstract: Links for steel sprocket chains are each formed of a pair of dodecagon shaped broadened portions joined by a web with parallel sides. When cut from a sheet metal plate the boundary edges of the broadened portions and web of one link are in contact with and at least partially congruent to adjacent links.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: May 11, 1982
    Assignee: Amsted-Siemag Kette GmbH
    Inventors: Klaus Taubert, Herbert Wehler, Alfred Bald