Patents by Inventor Edward L. von Hofen

Edward L. von Hofen 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: 4524865
    Abstract: A ball and socket conveyor chain, the links of which are designed so as to be capable of flexing in a plurality of planes and also designed to have upper table portions for supporting articles to be conveyed and which include a ball portion and a socket portion integrally made a part of the table portion. The ball portion of one link is retained in the socket portion of an adjacent link by a cap having outer surfaces that are drivingly engagable by some drive means. The method of connecting the links is unique in that the successive links comprising the chain are not connected to each other, but rather to every other link in the chain.
    Type: Grant
    Filed: November 6, 1981
    Date of Patent: June 25, 1985
    Inventor: Edward L. von Hofen