Henri G. W. Pierson

Person

  • Bozeat, Wellingborough, Northamptonshire, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Horizontal vacuum belt filter

    • Patent number 4,495,070
    • Issue date Jan 22, 1985
    • Henri G. W. Pierson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Endless belt filter with stationary guide bars

    • Patent number 4,472,279
    • Issue date Sep 18, 1984
    • Henri G. W. Pierson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum belt filter

    • Patent number 4,446,023
    • Issue date May 1, 1984
    • Henri G. W. Pierson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum belt filter

    • Patent number 4,377,480
    • Issue date Mar 22, 1983
    • Henri G. W. Pierson
    • B30 - PRESSES
  • Information Patent Grant

    Vacuum belt filter

    • Patent number 4,377,479
    • Issue date Mar 22, 1983
    • Henri G. W. Pierson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL