Christophe Jean Roger Champenois

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Soisy sur Seine, FR

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid component with high strength/mass ratio and method of manufa...
- Patent number 6,132,857
- Issue date Oct 17, 2000
- Societe Nationale d'Etude et de Construction de Moterus d'Aviation "Snecma"
- Christophe Jean Roger Champenois
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hybrid component with high strength/mass ratio and method of manufa...
- Patent number 5,887,332
- Issue date Mar 30, 1999
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
- Christophe Jean Roger Champenois
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Turbomachine blade made of composite material
- Patent number 5,672,417
- Issue date Sep 30, 1997
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
- Christophe Jean Roger Champenois
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas turbine engine impeller having an annular collar platform
- Patent number 5,263,823
- Issue date Nov 23, 1993
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation (SNECMA)
- Maurice J. Cabaret
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES