Herve Chavanne

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Patents Grantslast 30 patents

Information Patent Grant
Molten-salt bath for nitriding mechanical parts made of steel, and...
- Patent number 9,611,534
- Issue date Apr 4, 2017
- H.E.F.
- Herve Chavanne
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating parts for kitchen utensils
- Patent number 9,234,269
- Issue date Jan 12, 2016
- H.E.F.
- Herve Chavanne
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for generating cold plasma in a vacuum chamber and use of sa...
- Patent number 9,011,655
- Issue date Apr 21, 2015
- H.E.F.
- Philippe Maurin-Perrier
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sulphuration method of ferrous alloy parts in an aqueous solution
- Patent number 8,562,812
- Issue date Oct 22, 2013
- H.E.F.
- Philippe Maurin-Perrier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
MOLTEN-SALT BATH FOR NITRIDING MECHANICAL PARTS MADE OF STEEL, AND...
- Publication number 20130327445
- Publication date Dec 12, 2013
- H.E.F.
- Herve Chavanne
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF TREATING PARTS FOR KITCHEN UTENSILS
- Publication number 20110315275
- Publication date Dec 29, 2011
- H.E.F.
- Herve Chavanne
- C21 - METALLURGY OF IRON
Information Patent Application
DEVICE FOR GENERATING COLD PLASMA IN A VACUUM CHAMBER AND USE OF SA...
- Publication number 20100116643
- Publication date May 13, 2010
- H.E.F.
- Philippe Maurin-Perrier
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SULPHURATION METHOD OF FERROUS ALLOY PARTS IN AN AQUEOUS SOLUTION
- Publication number 20100044234
- Publication date Feb 25, 2010
- H.E.F.
- Philippe Maurin-Perrier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR