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Johan Coetzer

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrochemical cell separator
    • Patent number 6,428,585
    • Issue date Aug 6, 2002
    • Bi-Patent Holdings, S.A.
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High temperature electrochemical cell with molten alkali metal anode
    • Patent number 6,007,943
    • Issue date Dec 28, 1999
    • Electro Chemical Holdings Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell comprising a molten salt electrolyte containin...
    • Patent number 5,972,533
    • Issue date Oct 26, 1999
    • Electro Chemical Holdings Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,604,053
    • Issue date Feb 18, 1997
    • Electro Chemical Holdings Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,476,733
    • Issue date Dec 19, 1995
    • Programme 3 Patent Holdings
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,476,732
    • Issue date Dec 19, 1995
    • Programme 3 Patent Holdings
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell, method of making such and precursor therefor
    • Patent number 5,403,676
    • Issue date Apr 4, 1995
    • AABH Patent Holdings Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrolyte holder
    • Patent number 5,269,988
    • Issue date Dec 14, 1993
    • Programme 3 Patent Holdings
    • Johan Coetzer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Electrochemical cells
    • Patent number 5,230,968
    • Issue date Jul 27, 1993
    • Programme 3 Patent Holdings
    • Roger J. Bones
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for making a solid electrolyte holder
    • Patent number 5,221,542
    • Issue date Jun 22, 1993
    • Programme 3 Patent Holdings
    • Johan Coetzer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,187,029
    • Issue date Feb 16, 1993
    • Programme 3 Patent Holdings
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,061,580
    • Issue date Oct 29, 1991
    • Lilliwyte Societe Anonyme
    • Roger J. Wedlake
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,019,466
    • Issue date May 28, 1991
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cells
    • Patent number 4,992,345
    • Issue date Feb 12, 1991
    • Lilliwyte Societe Anonyme
    • Anthony A. Meintjes
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,975,343
    • Issue date Dec 4, 1990
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,975,344
    • Issue date Dec 4, 1990
    • Lilliwyte Societe Anonyme
    • Roger J. Wedlake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,975,345
    • Issue date Dec 4, 1990
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Manufacture of an alkali metal aluminum halide compound and alkali...
    • Patent number 4,846,943
    • Issue date Jul 11, 1989
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,797,333
    • Issue date Jan 10, 1989
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,795,685
    • Issue date Jan 3, 1989
    • Lilliwyte Societe Anonyme
    • Roger J. Bones
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,774,156
    • Issue date Sep 27, 1988
    • Lilliwyte Societe Anonyme
    • Roger J. Bones
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,612,266
    • Issue date Sep 16, 1986
    • Lilliwyte Societe Anonyme
    • Roger J. Bones
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,592,969
    • Issue date Jun 3, 1986
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,560,627
    • Issue date Dec 24, 1985
    • Lilliwyte Societe Anonyme
    • Roger J. Bones
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,546,055
    • Issue date Oct 8, 1985
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell and an anode structure for an electrochemical...
    • Patent number 4,457,989
    • Issue date Jul 3, 1984
    • South African Inventions Development Corporation
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,366,215
    • Issue date Dec 28, 1982
    • South African Inventions Development Corp.
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cathode for an electrochemical cell and an electrochemical cell
    • Patent number 4,288,506
    • Issue date Sep 8, 1981
    • South African Inventions Development Corp.
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode for an electrochemical cell, and an electrochemical cell
    • Patent number 4,287,268
    • Issue date Sep 1, 1981
    • The South African Inventions Development Corporation
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrolyte for an electrochemical cell, and an electrochemical cel...
    • Patent number 4,287,271
    • Issue date Sep 1, 1981
    • The South African Inventions Development Corporation
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS