Michel Douchy

Person

Solesmes, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Method of desulphurizing pig-iron
- Patent number 4,956,010
- Issue date Sep 11, 1990
- Affival
- Michel Douchy
- C21 - METALLURGY OF IRON
Information Patent Grant
Composite article having a tubular sheath containing a compacted ma...
- Patent number 4,906,292
- Issue date Mar 6, 1990
- Vallourec
- Michel Douchy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Composite product with a tubular casing for treating molten metal b...
- Patent number 4,863,803
- Issue date Sep 5, 1989
- Affival
- Michel Douchy
- C21 - METALLURGY OF IRON
Information Patent Grant
Composite article having a tubular sheath containing a compacted ma...
- Patent number 4,816,068
- Issue date Mar 28, 1989
- Vallourec
- Michel Douchy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Composite product having a tubular metal casing with a welt-type se...
- Patent number 4,708,897
- Issue date Nov 24, 1987
- Vallourec
- Michel Douchy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manufacture of a composite tubular product
- Patent number 4,486,227
- Issue date Dec 4, 1984
- Vallourec
- Michel Douchy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manufacture of a composite tubular product
- Patent number 4,364,770
- Issue date Dec 21, 1982
- Vallourec
- Michel Douchy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Michel Douchy

Person

Patents Grantslast 30 patents

Method of desulphurizing pig-iron

Composite article having a tubular sheath containing a compacted ma...

Composite product with a tubular casing for treating molten metal b...

Composite article having a tubular sheath containing a compacted ma...

Composite product having a tubular metal casing with a welt-type se...

Manufacture of a composite tubular product

Manufacture of a composite tubular product