Patents by Inventor Udo Ruppricht

Udo Ruppricht 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: 5664764
    Abstract: A device for stretching carpets (11) to be laid on a plane floor (12) with nail ledges (14) in a vicinity of walls, without adhesives being used, includes a stretching head (22) which has spikes (25) and which is movable via a lever drive mechanism (20, 21) arranged on a base unit (17). A tensioning 1edge (28), which engages behind the nail ledge (14), and a hold-down element (31), which acts in an area of the surface of the nail ledge (14), are mounted for pivotal movement. The tensioning ledge (28) and the hold-down element (31) are each respectively mounted on a first and a second bracket member (27 and 30), and the two bracket members are arranged for pivotal movement about a joint fulcrum (19) on the base unit.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: September 9, 1997
    Assignee: Wolff GmbH
    Inventor: Udo Ruppricht