Jean C. Werquin

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Ronchin, FR

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Patents Grantslast 30 patents

Information Patent Grant
Composite working roll for hot rolling flat products
- Patent number 5,536,230
- Issue date Jul 16, 1996
- Chavanne - Ketin
- Jean-Claude Werquin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for hot rolling metal strip with composite metal rolls
- Patent number RE35052
- Issue date Oct 3, 1995
- Forcast International
- Jean-Claude Werquin
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Method of rolling metal in a four-high or six-high roll stand in a...
- Patent number 5,147,733
- Issue date Sep 15, 1992
- Chavanne-Ketin Institut de Recherches de la Siderugie Francaise
- Jean-Claude Werquin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill roll for a hot train of rolls
- Patent number 4,507,366
- Issue date Mar 26, 1985
- Union Siderurgique du Nord et de l'Est de la France
- Jean C. Werquin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cast cold rolling roll
- Patent number 4,436,791
- Issue date Mar 13, 1984
- Union Siderurgique du Nord et de l'Est de la France
- Jacques Bocquet
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...