Patents by Inventor Holger Waterkamp

Holger Waterkamp 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).

  • Overhead conveyor with supplemental wheel and rail for increasing driving traction
    Patent number: 5479862
    Abstract: A rail conveyor, including an I-shaped main rail, a trolley guided at the I-shaped rail and having lateral guide rollers, a running wheel rolling on the rail, a counter-wheel and an extra rail for the counter-wheel for increasing frictional engagement of the running wheel with the main rail, the extra rail extending parallel to the main rail, the extra rail being arranged laterally adjacent to the rail, the running wheel and the counter-wheel each having an axle that lies in a plane aligned perpendicular to the longitudinal extension of the main rail.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: January 2, 1996
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Holger Waterkamp