Jean-Claude Berthelemy

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a disc consisting of a spirally wound fibre
- Patent number 5,733,495
- Issue date Mar 31, 1998
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
- Jean-Claude Robert Berthelemy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for obtaining a bladed circular metallic article
- Patent number 5,678,164
- Issue date Oct 14, 1997
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
- Jean-Claude Berthelemy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing a circular fibre-reinforced metal article, and...
- Patent number 5,642,851
- Issue date Jul 1, 1997
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
- Jean-Claude Berthelemy
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of producing a circular fibre-reinforced metal article, and...
- Patent number 5,562,245
- Issue date Oct 8, 1996
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
- Jean-Claude Berthelemy
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...