Romain Frieden

Person

Beidweiler, LU

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing directly reduced, desulphurized iron
- Patent number 6,464,752
- Issue date Oct 15, 2002
- Paul Wurth S.A.
- Jean-Luc Roth
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for thermal treatment of residual materials containing heav...
- Patent number 6,451,086
- Issue date Sep 17, 2002
- Paul Wurth S.A.
- Thomas Hansmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing directly reduced iron in a layered furnace
- Patent number 6,395,057
- Issue date May 28, 2002
- Paul Wurth S.A.
- Romain Frieden
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for heat-treating recyclings containing oil and iron oxide
- Patent number 6,391,088
- Issue date May 21, 2002
- Paul Wurth S.A.
- Thomas Hansmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the heat treatment of residues containing heavy metals
- Patent number 6,383,252
- Issue date May 7, 2002
- Paul Wurth S.A.
- Jean-Luc Roth
- C21 - METALLURGY OF IRON
Information Patent Grant
Charging device for a rotary hearth furnace
- Patent number 6,210,155
- Issue date Apr 3, 2001
- Paul Wurth, S.A.
- Gilbert Bernard
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for discharge of bulk material from a pressure vessel
- Patent number 6,010,041
- Issue date Jan 4, 2000
- Paul Wurth, S.A.
- Emile Lonardi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Device for the treatment of mixture of steam and air contaminated w...
- Patent number 5,540,895
- Issue date Jul 30, 1996
- Paul Wurth S.A.
- Ernest Faber
- C21 - METALLURGY OF IRON
Information Patent Grant
Combined flow control and isolation valve
- Patent number 4,306,828
- Issue date Dec 22, 1981
- Paul Wurth S.A.
- Edouard Legille
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Process for thermal treatment of residual materials containing heav...
- Publication number 20010045142
- Publication date Nov 29, 2001
- PAUL WURTH S.A.
- Thomas Hansmann
- C21 - METALLURGY OF IRON

Romain Frieden

Person

Patents Grantslast 30 patents

Method for producing directly reduced, desulphurized iron

Process for thermal treatment of residual materials containing heav...

Method for producing directly reduced iron in a layered furnace

Method for heat-treating recyclings containing oil and iron oxide

Method for the heat treatment of residues containing heavy metals

Charging device for a rotary hearth furnace

Device for discharge of bulk material from a pressure vessel

Device for the treatment of mixture of steam and air contaminated w...

Combined flow control and isolation valve

Patents Applicationslast 30 patents

Process for thermal treatment of residual materials containing heav...