Patents by Inventor Thilo Ernst Schaffert

Thilo Ernst Schaffert 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).

  • Antislipping device
    Patent number: 6446690
    Abstract: An anti-slipping device has a tread network of chains connected to an external mounting by terminal links (20) of segments of chains (4, 5) of the network, and the external mounting is configured as a disc (13) in its peripheral area. The terminal links (20) are hooked into retaining anchors (19) formed by sections of a wire (18) which is held in place in guide channels (17) on the outside of the disc (13).
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: September 10, 2002
    Assignee: RUD-Kettenfabrik Rieger & Dietz GmbH u. Co.
    Inventors: Werner Deger, Helmut Kaiser, Thilo Ernst Schaffert, Eugen Liesch
  • Anti-skid device
    Patent number: 6415838
    Abstract: An anti-skid device has rotating chains which are connected to an inner and an outer fixing device. The outer fixing device is formed from a ring-shaped disc (10) and a retainer ring (11). The retainer ring is provided for the end of a tensioning chain (8) which serves to lock or tension the inner fixing device formed by a spring steel clip. The disc (10) and the retainer ring (11) are detachably connected to each other for enabling the rotating chains (3, 4, 5, 6, 7) of the anti-skid device to turn.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: July 9, 2002
    Assignee: RUD- Kettenfabrik Rieger & Dietz GmbH u. Co.
    Inventors: Werner Deger, Helmut Kaiser, Thilo Ernst Schaffert, Eugen Liesch