Patents by Inventor Denis Schruoffeneger

Denis Schruoffeneger 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).

  • Process and device for treating vulcanized rubber surfaces before bonding
    Patent number: 6302984
    Abstract: Process and device for treating vulcanized rubber surfaces before bonding by creating surface roughness and elimination of degraded surface particles through the use of a high pressure fluid jet.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: October 16, 2001
    Assignee: Copangnie Generale des Etablissements Michelin - Michelin & Cie
    Inventors: Jean-Marie Courel, Denis Schruoffeneger, Serge Solignac
  • Process for treating vulcanized tread rubber surfaces before bonding
    Patent number: 6015468
    Abstract: Process and device for treating vulcanized rubber surfaces before bonding creating surface roughness and elimination of degraded surface particles through the use of a high-pressure fluid jet.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: January 18, 2000
    Assignee: Compagnie Generale des Etablissements Michelin - Michelin & CIE
    Inventors: Jean-Marie Courel, Denis Schruoffeneger, Serge Solignac
  • Tire production process using water jet treatment
    Patent number: 5944925
    Abstract: Process and device for treating vulcanized rubber surfaces before bonding by creating surface roughness and elimination of degraded surface particles through the use of a high-pressure fluid jet.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: August 31, 1999
    Assignee: Compagnie Generale des Establissements Michelin-Michelin & Cie
    Inventors: Jean-Marie Courel, Denis Schruoffeneger, Serge Solignac
  • Retreading process including treating vulcanized rubber surfaces before bonding
    Patent number: 5759322
    Abstract: Process and device for treating vulcanized rubber surfaces before bonding creating surface roughness and elimination of degraded surface particles through the use of a high-pressure fluid jet.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: June 2, 1998
    Assignee: Compagnie Generale des Etablissements Michelin - Michelin & CIE
    Inventors: Jean-Marie Courel, Denis Schruoffeneger, Serge Solignac