Patents by Inventor Christopher Cawthra

Christopher Cawthra 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: 6491999
    Abstract: The invention relates to a covering part with cable channels and a cabled covering part such as a carpet for vehicles, which is provided with several self-closing channels acommodating a cable network. These channels can be formed directly into the spring-elastic part of the covering or can comprise a plastic or foam rubber sleeve slotted on their longitudinal side and lying in the covering part. The inexpensive and simple to manufacture covering part permits an exact leading of the cables, a good protection for the cable network and a simple and quick application and exchange of the cables. The invention further relates to a method for manufacturing such a covering part.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: December 10, 2002
    Assignees: Rieter Automotive (International) AG, Delphi Automotive Systems Deutschland GmbH
    Inventors: Christopher Cawthra, Wolfgang Diegmann, Peter Ehrler, Norbert Hinz, Joseph J. Laux, Robert Hermanus van Ligten
  • Patent number: 4185718
    Abstract: A method of jointing textile belting or webbing using a polyurethane compound, the method comprising coating two ends of the belting or webbing to be joined with a castable liquid mixture that is heat curable to give the polyurethane compound and comprising at least one component that is chemically blocked to substantially eliminate the curing reaction at ambient temperature, and heat curing the mixture on the ends when the ends are in face-to-face relationship. The liquid castable mixture preferably comprises a polyurethane prepolymer and a methylene dianiline sodium chloride complex.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: January 29, 1980
    Assignee: BBA Group Limited
    Inventors: Christopher Cawthra, Richard K. Brooke