Patents by Inventor Franz G. Christensen

Franz G. Christensen 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).

  • Bottom surface drive for an endless belt in a conveyor system
    Patent number: 6945387
    Abstract: A top surface and a bottom surface of an endless belt. The bottom surface having a longitudinal row of spaced apart pairs of pocket attached. Openings in each pocket of a pair opposed to each other, the pocket pairs mounted equidistant between the belt sides. A clip having a pair of spaced apart pliable feet mounted respectively in each pair of pockets. A link of a link chain is held in place by a pair of spaced apart downwardly directed arms integral with the clip. The link chain is engaged to a sprocket drive in a conveyor system to move the endless belt.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: September 20, 2005
    Inventor: Franz G. Christensen