Jean-Pierre Douche

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Thourotte, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for supporting and transferring glass sheets in...
- Patent number 5,622,539
- Issue date Apr 22, 1997
- Saint-Gobain Vitrage International
- Jean-Luc Lesage
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Device for metering pulverulent materials
- Patent number 5,104,230
- Issue date Apr 14, 1992
- Saint-Gobain Vitrage
- Jean-Pierre Douche
- G01 - MEASURING TESTING
Information Patent Grant
Uniformly coated glass substrates
- Patent number 4,837,093
- Issue date Jun 6, 1989
- Saint-Gobain Vitrage
- Jean-Claude Coulon
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Pneumatic powder ejector
- Patent number 4,807,814
- Issue date Feb 28, 1989
- Saint-Gobain Vitrage
- Jean-Pierre Douche
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Process and device for metering pulverulent materials
- Patent number 4,789,569
- Issue date Dec 6, 1988
- Saint-Gobain Vitrage
- Jean-Pierre Douche
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for manufacturing a uniformly coated substrate
- Patent number 4,562,095
- Issue date Dec 31, 1985
- Saint-Gobain Vitrage
- Jean-Claude Coulon
- C03 - GLASS MINERAL OR SLAG WOOL