Patents by Inventor Franz Josef Toerringer

Franz Josef Toerringer 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).

  • Heat-shrink tube
    Patent number: 7540776
    Abstract: A heat-shrink tube for an electrical power cable comprises a sleeve having an insulating inner layer, a conductive outer layer and a thermoplastic mid-layer located between the inner and outer layers. The mid-layer is recovered by the application of heat thereto. The insulating inner layer is preferably comprised of an elastomeric material and the thermoplastic mid-layer is rigid and acts to retain the inner layer in a radially expanded state prior to its recovery.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: June 2, 2009
    Assignee: Tyco Electronics Raychem GmbH
    Inventors: Bernd Graeve, Peter Greiner, Franz Josef Toerringer, David Francis Pearce, Timothy Stephen Smith, John David Stoker