TREA

Raymond-Yves Deroche

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  • Thionville, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Straightened rail
    • Patent number 4,755,238
    • Issue date Jul 5, 1988
    • Unimetal
    • Raymond-Yves Deroche
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Machine for straightening and stress-relieving steel rails
    • Patent number 4,726,212
    • Issue date Feb 23, 1988
    • Unimetal
    • Raymond Y. Deroche
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for straightening a rail and straightened rail
    • Patent number 4,597,283
    • Issue date Jul 1, 1986
    • Societe Anonyme Dite: SACILOR
    • Raymond-Yves Deroche
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...