Jean-Charles Weber

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Dombasle, FR

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Patents Grantslast 30 patents

Information Patent Grant
Cyclone exchanger with tranquilizing tank and method for purifying...
- Patent number 5,968,231
- Issue date Oct 19, 1999
- Grignotage, (SARL)
- Michel Parmentier
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Process and device for treating working atmosphere using a cyclone...
- Patent number 5,766,314
- Issue date Jun 16, 1998
- France Grignotage
- Jean-Charles Weber
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus for the removal of vapors and vapor products
- Patent number 4,957,520
- Issue date Sep 18, 1990
- France Grignotage S.A.R.L.
- Michel Parmentier
- F24 - HEATING RANGES VENTILATING