TREA

Johan Richaud

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  • Dundas, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ladle bottom
    • Patent number 7,611,665
    • Issue date Nov 3, 2009
    • Vesuvius Crucible Company
    • Johan Richaud
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rippled surface stopper rod system
    • Patent number 7,581,663
    • Issue date Sep 1, 2009
    • Vesuvius Crucible Company
    • Johan L. Richaud
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Multi-outlet casting nozzle
    • Patent number 7,581,664
    • Issue date Sep 1, 2009
    • Vesuvius Crucible Company
    • Johan L. Richaud
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents