Patents by Inventor Lennart K. O. Wallman

Lennart K. O. Wallman 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).

  • Assembly for moving heavy objects
    Patent number: 5022811
    Abstract: An assembly for movement of heavy objects is made up of a unit which can be arranged on the fork of a forklift truck and which has a sliding plane (5) and an operating mechanism (8) designed so as to be able to pull or push an object onto or respectively out from the sliding plane and along the latter. The operating mechanism has, in parallel tracks below the sliding plane, longitudinally displaceable drive elements (9, 10) and, arranged on these, carriers (13) which project above the sliding plane and transmit force to the object.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: June 11, 1991
    Inventor: Lennart K. O. Wallman