TREA

Dave Elvidge

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  • North Vancouver, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail port insert
    • Patent number 11,155,284
    • Issue date Oct 26, 2021
    • L.B. Foster Rail Technologies, Corp.
    • Joel Vandermarel
    • B61 - RAILWAYS
  • Information Patent Grant

    Method and apparatus for applying liquid compositions in rail systems
    • Patent number 8,408,362
    • Issue date Apr 2, 2013
    • L. B. Foster Rail Technologies, Corp.
    • Don T Eadie
    • B61 - RAILWAYS
  • Information Patent Grant

    Method and apparatus for applying liquid compositions in rail systems
    • Patent number RE42989
    • Issue date Dec 6, 2011
    • Kelsan Technologies Corp.
    • Don Eadie
    • 291 - Track sanders
  • Information Patent Grant

    Method and apparatus for applying liquid compositions in rail systems
    • Patent number 7,357,427
    • Issue date Apr 15, 2008
    • Kelsan Technologies Corp.
    • Don Eadie
    • B61 - RAILWAYS
  • Information Patent Grant

    Metering coatings
    • Patent number 6,316,060
    • Issue date Nov 13, 2001
    • Pacifica Papers Inc.
    • David Richard Elvidge
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Coater head
    • Patent number 5,902,401
    • Issue date May 11, 1999
    • Pevifibe Papers Inc.
    • David Richard Elvidge
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Pilot coater
    • Patent number 5,759,279
    • Issue date Jun 2, 1998
    • MacMillan Bloedel Limted
    • Olivier Reglat
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Web flutter detection
    • Patent number 5,712,489
    • Issue date Jan 27, 1998
    • MacMillan Bloedel Limited
    • David Richard Elvidge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Metering rod coaters
    • Patent number 5,599,393
    • Issue date Feb 4, 1997
    • MacMillan Bloedel Limited
    • David R. Elvidge
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Coater startup
    • Patent number 5,476,683
    • Issue date Dec 19, 1995
    • MacMillan Bloedel Limited
    • David R. Elvidge
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Coat weight profiling
    • Patent number 5,376,177
    • Issue date Dec 27, 1994
    • MacMillan Bloedel Limited
    • David R. Elvidge
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents