TREA

William S. Stewart

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control of a H.sub.2 S absorber
    • Patent number 4,772,298
    • Issue date Sep 20, 1988
    • Phillips Petroleum Company
    • William S. Stewart
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cracking furnace control
    • Patent number 4,747,912
    • Issue date May 31, 1988
    • Phillips Petroleum Company
    • Gary L. Funk
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Catalytic crackins process control
    • Patent number 4,726,893
    • Issue date Feb 23, 1988
    • Phillips Petroleum Company
    • Gary L. Funk
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method and device for controlling a delayed coker system
    • Patent number 4,698,313
    • Issue date Oct 6, 1987
    • Phillips Petroleum Company
    • William S. Stewart
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Automatic control of a multiple-effect evaporator
    • Patent number 4,676,870
    • Issue date Jun 30, 1987
    • Phillips Petroleum Company
    • William S. Stewart
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process control for parallel heat exchangers
    • Patent number 4,655,277
    • Issue date Apr 7, 1987
    • Phillips Petroleum Company
    • Gary L. Funk
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Control of a vinyl acetate process
    • Patent number 4,654,801
    • Issue date Mar 31, 1987
    • Phillips Petroleum Company
    • William S. Stewart
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Control of an isomerization process
    • Patent number 4,621,062
    • Issue date Nov 4, 1986
    • Phillips Petroleum Company
    • William S. Stewart
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Control of an aromatic extraction
    • Patent number 4,545,894
    • Issue date Oct 8, 1985
    • Phillips Petroleum Company
    • William S. Stewart
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Control of a reforming furnace
    • Patent number 4,473,490
    • Issue date Sep 25, 1984
    • Phillips Petroleum Company
    • William S. Stewart
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Control of a system for supplying heat
    • Patent number 4,434,746
    • Issue date Mar 6, 1984
    • Phillips Petroleum Company
    • William S. Stewart
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Control of a H.sub.2 S absorber
    • Patent number 4,435,192
    • Issue date Mar 6, 1984
    • Phillips Petroleum Company
    • William S. Stewart
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Control of a cracking furnace
    • Patent number 4,400,784
    • Issue date Aug 23, 1983
    • Phillips Petroleum Company
    • Gary L. Funk
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Nonlinear control of liquid level
    • Patent number 4,386,623
    • Issue date Jun 7, 1983
    • Phillips Petroleum Company
    • Gary L. Funk
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Ethylene process control
    • Patent number 4,371,944
    • Issue date Feb 1, 1983
    • Phillips Petroleum Company
    • William S. Stewart
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process control system
    • Patent number 4,360,882
    • Issue date Nov 23, 1982
    • Phillips Petroleum Company
    • William S. Stewart
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Control of a fluid catalytic cracking unit
    • Patent number 4,345,993
    • Issue date Aug 24, 1982
    • Phillips Petroleum Company
    • William S. Stewart
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Control of a cracking furnace
    • Patent number 4,318,178
    • Issue date Mar 2, 1982
    • Phillips Petroleum Co.
    • William S. Stewart
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Turbo-expander control
    • Patent number 4,281,970
    • Issue date Aug 4, 1981
    • Phillips Petroleum Company
    • William S. Stewart
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control of multiple feed fractional distillation column
    • Patent number 4,252,614
    • Issue date Feb 24, 1981
    • Phillips Petroleum Company
    • William S. Stewart
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Control of a cracking furnace
    • Patent number 4,231,753
    • Issue date Nov 4, 1980
    • Phillips Petroleum Company
    • William S. Stewart
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Control of a fractional distillation column
    • Patent number 4,230,534
    • Issue date Oct 28, 1980
    • Phillips Petroleum Company
    • William S. Stewart
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Multi-constraint control of a compression system
    • Patent number 4,218,191
    • Issue date Aug 19, 1980
    • Phillips Petroleum Company
    • William S. Stewart
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Compressor control
    • Patent number 4,191,511
    • Issue date Mar 4, 1980
    • Phillips Petroleum Company
    • William S. Stewart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Process control method and apparatus
    • Patent number 4,115,862
    • Issue date Sep 19, 1978
    • Phillips Petroleum Company
    • William S. Stewart
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pressure responsive fractionation control
    • Patent number 4,070,172
    • Issue date Jan 24, 1978
    • Phillips Petroleum Company
    • Dexter E. Smith
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Controlled polymerization apparatus
    • Patent number 3,951,604
    • Issue date Apr 20, 1976
    • Phillips Petroleum Company
    • Dexter E. Smith
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...