Pierre Vayssiere

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Metz, FR

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Patents Grantslast 30 patents

Information Patent Grant
Refractory piece permeable to gases
- Patent number RE32192
- Issue date Jun 24, 1986
- Institut de Recherches de la Siderurgie Francaise
- Pierre Vayssiere
- 266 - Metallurgical apparatus
Information Patent Grant
Process for periodically and pneumatically stirring a bath of molte...
- Patent number 4,382,817
- Issue date May 10, 1983
- Institute de Recherches de la Siderurgie Francaise
- Pierre Vayssiere
- C21 - METALLURGY OF IRON
Information Patent Grant
Refractory piece permeable to gases
- Patent number 4,340,208
- Issue date Jul 20, 1982
- Institut de Recherches de la Siderurgie Francaise
- Pierre Vayssiere
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing stainless steel
- Patent number 4,141,723
- Issue date Feb 27, 1979
- Institut de Recherches de la Siderurgie Francaise (Irsid)
- Guy Denier
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for the production of steel
- Patent number 4,101,313
- Issue date Jul 18, 1978
- Institut de Recherches de la Siderurgie Francaise (IRSID)
- Pierre Vayssiere
- C21 - METALLURGY OF IRON