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Derek John FRAY

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  • Cambridge, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of metal ores
    • Patent number 12,215,436
    • Issue date Feb 4, 2025
    • Derek Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method of producing graphene
    • Patent number 10,865,488
    • Issue date Dec 15, 2020
    • Cambridge Enterprise Limited
    • Derek Fray
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Method for producing synthetic diamonds
    • Patent number 10,556,211
    • Issue date Feb 11, 2020
    • Northeastern University
    • Ali Reza Kamali
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Method of producing graphene
    • Patent number 10,458,026
    • Issue date Oct 29, 2019
    • Cambridge Enterprise Limited
    • Derek Fray
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Oxygen generation apparatus and method
    • Patent number 10,106,899
    • Issue date Oct 23, 2018
    • Cambridge Enterprise Limited
    • Derek John Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Treatment of titanium ores
    • Patent number 9,181,604
    • Issue date Nov 10, 2015
    • Chinuka Limited
    • Derek J. Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for texturing silicon surface to create black silicon for ph...
    • Patent number 8,790,953
    • Issue date Jul 29, 2014
    • Derek John Fray
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Hyperbaric dressing
    • Patent number 8,722,961
    • Issue date May 13, 2014
    • Inotec and Limited
    • Melvin Frederick Vinton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Electrode materials
    • Patent number 8,313,624
    • Issue date Nov 20, 2012
    • Green Metals Limited
    • Derek John Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrochemical method, apparatus and carbon product
    • Patent number 8,057,658
    • Issue date Nov 15, 2011
    • Cambridge Enterprise Limited The Old Schools
    • Derek John Fray
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Electrochemical processing of solid materials in fused salt
    • Patent number 7,879,219
    • Issue date Feb 1, 2011
    • Metalysis Limited
    • Derek John Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Removal of substances from metal and semi-metal compounds
    • Patent number 7,790,014
    • Issue date Sep 7, 2010
    • Metalysis Limited
    • Derek John Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Microwave enhancement of the segregation roast
    • Patent number 7,544,227
    • Issue date Jun 9, 2009
    • Cato Research Corporation
    • Paul R. Kruesi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Intermetallic compounds
    • Patent number 7,338,588
    • Issue date Mar 4, 2008
    • Cambridge Enterprise Limited
    • Derek John Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Rechargeable lithium cell having an anode comprised of carbon nanot...
    • Patent number 7,189,476
    • Issue date Mar 13, 2007
    • ABSL Power Solutions Ltd
    • William John Macklin
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Removal of substances from metal and semi-metal compounds
    • Patent number 6,712,952
    • Issue date Mar 30, 2004
    • Cambridge Univ. Technical Services, Ltd.
    • Derek John Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for the recovery of tin, tin alloys or lead alloys from pri...
    • Patent number 6,641,712
    • Issue date Nov 4, 2003
    • Alpha Fry Limited
    • Robert William Gibson
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method and apparatus for the treatment of a melt
    • Patent number 6,599,413
    • Issue date Jul 29, 2003
    • Foseco International Limited
    • Jacky Dekeyser
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Transporting a liquid past a barrier
    • Patent number 4,999,092
    • Issue date Mar 12, 1991
    • Metallurg, Inc.
    • Derek J. Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrode for electrorefining
    • Patent number 4,904,356
    • Issue date Feb 27, 1990
    • National Research Development Corporation
    • Derek J. Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Metal separation process
    • Patent number 4,869,790
    • Issue date Sep 26, 1989
    • The British Petroleum Company p.l.c.
    • James A. Charles
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Separating a ferro alloy
    • Patent number 4,857,156
    • Issue date Aug 15, 1989
    • National Research Development Corporation
    • Derek J. Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Zinc recovery from furnace dust
    • Patent number 4,800,069
    • Issue date Jan 24, 1989
    • National Research Development Corporation
    • Derek J. Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Obtaining aqueous solution from insoluble metal oxide
    • Patent number 4,645,650
    • Issue date Feb 24, 1987
    • National Research Development Corporation
    • Derek J. Fray
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Anode-assisted cation reduction
    • Patent number 4,412,893
    • Issue date Nov 1, 1983
    • National Research Development Corporation
    • Derek J. Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Zinc chloride electrolysis
    • Patent number 4,292,147
    • Issue date Sep 29, 1981
    • National Research Development Corporation
    • Derek J. Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method of making metal beta-alumina and refining metal using it
    • Patent number 4,166,013
    • Issue date Aug 28, 1979
    • National Research Development Corporation
    • Derek J. Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Packed bed electrorefining and electrolysis
    • Patent number 4,118,292
    • Issue date Oct 3, 1978
    • National Research Development Corporation
    • Derek John Fray
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents