TREA

Pieter van der Heijden

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  • The Hague, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vaccum distillation system
    • Patent number 5,049,240
    • Issue date Sep 17, 1991
    • Shell Oil Company
    • Johannes A. Hamer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Distillation column with a draw-off device
    • Patent number 5,034,103
    • Issue date Jul 23, 1991
    • Shell Oil Company
    • Johannes A. Hamer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum distillation process
    • Patent number 5,032,231
    • Issue date Jul 16, 1991
    • Shell Oil Company
    • Johannes A. Hamer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum distillation process
    • Patent number 5,019,219
    • Issue date May 28, 1991
    • Shell Oil Company
    • Johannes A. Hamer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum distillation process
    • Patent number 5,019,218
    • Issue date May 28, 1991
    • Shell Oil Company
    • Johannes A. Hamer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL