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Hugh Cunningham

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  • Corpus Christi, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for electrolyzing brine in a permionic membrane electrolyti...
    • Patent number 4,274,928
    • Issue date Jun 23, 1981
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Synthetic separator electrolytic cell
    • Patent number 4,271,004
    • Issue date Jun 2, 1981
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic cell
    • Patent number 4,248,689
    • Issue date Feb 3, 1981
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic cell
    • Patent number 4,217,199
    • Issue date Aug 12, 1980
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Permionic membrane electrolytic cell
    • Patent number 4,211,627
    • Issue date Jul 8, 1980
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Cathode element for electrolytic cell
    • Patent number 4,209,380
    • Issue date Jun 24, 1980
    • PPG Industries, Inc.
    • Carl W. Raetzsch
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Hollow cathode for an electrolytic cell
    • Patent number 4,165,272
    • Issue date Aug 21, 1979
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Bipolar electrolyzer
    • Patent number 4,152,239
    • Issue date May 1, 1979
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method of preventing hydrogen deterioration in a bipolar electrolyzer
    • Patent number 4,093,525
    • Issue date Jun 6, 1978
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic cell and method of electrolysis
    • Patent number 4,088,551
    • Issue date May 9, 1978
    • PPG Industries, Inc.
    • Carl W. Raetzch
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolysis cell liquor emission control process
    • Patent number 4,085,015
    • Issue date Apr 18, 1978
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method of reducing cell liquor header corrosion
    • Patent number 4,057,473
    • Issue date Nov 8, 1977
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Cell liquor emission control
    • Patent number 4,045,324
    • Issue date Aug 30, 1977
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method of assembling a bipolar electrolyzer
    • Patent number 4,032,423
    • Issue date Jun 28, 1977
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Diaphragm cell cathode structure
    • Patent number 4,016,064
    • Issue date Apr 5, 1977
    • PPG Industries, Inc.
    • Hugh Cunningham
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Annular brine head equalizer
    • Patent number 3,990,961
    • Issue date Nov 9, 1976
    • PPG Industries, Inc.
    • Carl W. Raetzsch
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic cell having hydrogen gas disengaging apparatus
    • Patent number 3,968,021
    • Issue date Jul 6, 1976
    • PPG Industries, Inc.
    • Henry W. Rahn
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR