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David Richard Lewis

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hair shaping material
    • Patent number 11,793,739
    • Issue date Oct 24, 2023
    • Croda International PLC
    • Patrick James Colver
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method and composition
    • Patent number 11,458,086
    • Issue date Oct 4, 2022
    • HSNF Limited
    • John Mama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Security printing
    • Patent number 11,046,104
    • Issue date Jun 29, 2021
    • Inovink Limited
    • David Malcolm Lewis
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Filter
    • Patent number 10,334,875
    • Issue date Jul 2, 2019
    • British American Tobacco (Investments) Limited
    • John Roger Sampson
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking article filters
    • Patent number 10,264,816
    • Issue date Apr 23, 2019
    • British American Tobacco (Investments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Security printing
    • Patent number 10,259,255
    • Issue date Apr 16, 2019
    • Inovink Limited
    • David Malcolm Lewis
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Metal treatment
    • Patent number 9,738,980
    • Issue date Aug 22, 2017
    • Accentus Medical Limited
    • James Timothy Shawcross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hair treatment methods
    • Patent number 9,364,403
    • Issue date Jun 14, 2016
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Printing
    • Patent number 9,358,578
    • Issue date Jun 7, 2016
    • Inovink Limited
    • David Malcolm Lewis
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Hair treatment methods
    • Patent number 9,320,695
    • Issue date Apr 26, 2016
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Smoking article filters
    • Patent number 9,185,935
    • Issue date Nov 17, 2015
    • British American Tobacco (Invesments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Composition and method
    • Patent number 9,168,396
    • Issue date Oct 27, 2015
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Metal treatment
    • Patent number 9,096,943
    • Issue date Aug 4, 2015
    • Accentus Medical Limited
    • James Timothy Shawcross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Filter
    • Patent number 9,078,471
    • Issue date Jul 14, 2015
    • British American Tobacco (Investments) Limited
    • John Roger Sampson
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Metal implants
    • Patent number 9,011,665
    • Issue date Apr 21, 2015
    • Accentus Medical Limited
    • Martin Edward Lee Pickford
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Bleaching methods and compositions
    • Patent number 8,999,301
    • Issue date Apr 7, 2015
    • Perachem Limited
    • Céline Gauché´
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Treating a metal implant with a rough surface portion so as to inco...
    • Patent number 8,888,983
    • Issue date Nov 18, 2014
    • Accentus Medical Limited
    • James Timothy Shawcross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method of manufacturing metal with biocidal properties
    • Patent number 8,858,775
    • Issue date Oct 14, 2014
    • Accentus Medical Limited
    • Philip James Agg
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Phosphorus-contaning flame-retardant compositions
    • Patent number 8,853,106
    • Issue date Oct 7, 2014
    • Perachem Limited
    • Paul Webb
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Filter
    • Patent number 8,550,092
    • Issue date Oct 8, 2013
    • British American Tobacco (Investments) Limited
    • John Roger Sampson
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Method and composition
    • Patent number 8,551,371
    • Issue date Oct 8, 2013
    • Perachem Limited
    • Jamie Anthony Hawkes
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Hair treatment methods
    • Patent number 8,277,519
    • Issue date Oct 2, 2012
    • Perachem Limited
    • Céline Gauché
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hair treatment composition and methods
    • Patent number 8,268,013
    • Issue date Sep 18, 2012
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Security inks containing infrared absorbing metal compounds
    • Patent number 8,157,905
    • Issue date Apr 17, 2012
    • Inovink Limited
    • David Malcolm Lewis
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Hair treatment composition and methods
    • Patent number 8,016,895
    • Issue date Sep 13, 2011
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Reactive dye compounds
    • Patent number 7,442,780
    • Issue date Oct 28, 2008
    • North Carolina State University
    • Wei Dong He
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Use of percarbamic acids and diacyl percarbamates and precursors th...
    • Patent number 7,159,333
    • Issue date Jan 9, 2007
    • The University of Leeds
    • David Malcolm Lewis
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Vat acid dyeing of textile fibers
    • Patent number 6,942,706
    • Issue date Sep 13, 2005
    • INVISTA North America S.a.r.l.
    • Stephen M. Birkinshaw
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Reactive dye compounds
    • Patent number 6,869,453
    • Issue date Mar 22, 2005
    • North Carolina State University
    • David Malcolm Lewis
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Reactive dye compounds
    • Patent number 6,790,943
    • Issue date Sep 14, 2004
    • North Carolina State University
    • Peter Jeffrey Broadbent
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    METAL OBJECT WITH ROUGHENED SURFACE AND METHOD OF PRODUCTION
    • Publication number 20220008622
    • Publication date Jan 13, 2022
    • ACCENTUS MEDICAL LIMITED
    • Andrew Derek Turner
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    METHOD AND COMPOSITION
    • Publication number 20210378933
    • Publication date Dec 9, 2021
    • PERACHEM LIMITED
    • John MAMA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    IMPROVEMENTS IN RELATION TO SECURITY PRINTING
    • Publication number 20200361228
    • Publication date Nov 19, 2020
    • Inovink Limited
    • David Malcolm LEWIS
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    METHOD AND COMPOSITION FOR COLOURING AN EYEBROW COMPRISING AN ORGAN...
    • Publication number 20200337968
    • Publication date Oct 29, 2020
    • Perachem Limited
    • Sarah Elizabeth LUCAS
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HAIR SHAPING MATERIAL
    • Publication number 20200069548
    • Publication date Mar 5, 2020
    • Croda International Plc
    • Patrick James Colver
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    USE OF FIBRE COMPRISING COMPOSITE FIBRES OF CELLULOSE AND CELLULOSE...
    • Publication number 20200018015
    • Publication date Jan 16, 2020
    • INNOVIA FILMS LIMITED
    • Jamie MOFFAT
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    FIBRE COMPRISING COMPOSITE FIBRES OF CELLULOSE AND CELLULOSE ACETATE
    • Publication number 20200018016
    • Publication date Jan 16, 2020
    • INNOVIA FILMS LIMITED
    • Jamie MOFFAT
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    METAL OBJECT WITH ROUGHENED SURFACE AND METHOD OF PRODUCTION
    • Publication number 20180133370
    • Publication date May 17, 2018
    • ACCENTUS MEDICAL LIMITED
    • Andrew Derek Turner
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    HAIR CONDITIONING COMPOSITIONS
    • Publication number 20170165188
    • Publication date Jun 15, 2017
    • Perachem Limited
    • David Malcolm Lewis
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    SMOKING ARTICLE FILTERS
    • Publication number 20170042222
    • Publication date Feb 16, 2017
    • British American Tobacco (Investments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    SMOKING ARTICLE FILTERS
    • Publication number 20170035103
    • Publication date Feb 9, 2017
    • British American Tobacco (Investments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    SECURITY PRINTING
    • Publication number 20160243877
    • Publication date Aug 25, 2016
    • INOVINK LIMITED
    • David Malcolm LEWIS
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    METAL TREATMENT
    • Publication number 20150299865
    • Publication date Oct 22, 2015
    • ACCENTUS MEDICAL LIMITED
    • James Timothy Shawcross
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    FILTER
    • Publication number 20150272209
    • Publication date Oct 1, 2015
    • British American Tobacco (Investments) Limited
    • John Roger Sampson
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    RELATING TO WOOL TREATMENT
    • Publication number 20150252521
    • Publication date Sep 10, 2015
    • Perachem Limited
    • David Malcolm Lewis
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    SMOKING ARTICLES
    • Publication number 20150114412
    • Publication date Apr 30, 2015
    • British American Tobacco (Investments) Limited
    • David John Dittrich
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    SMOKING ARTICLE FILTERS
    • Publication number 20150107613
    • Publication date Apr 23, 2015
    • British American Tobacco (Investments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    SMOKING ARTICLE FILTERS
    • Publication number 20150090282
    • Publication date Apr 2, 2015
    • BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    Hair Treatment Methods
    • Publication number 20150068548
    • Publication date Mar 12, 2015
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Hair Treatment Methods
    • Publication number 20150047131
    • Publication date Feb 19, 2015
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    METHOD
    • Publication number 20140190508
    • Publication date Jul 10, 2014
    • Perachem Limited
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PRINTING
    • Publication number 20140147576
    • Publication date May 29, 2014
    • INOVINK LIMITED
    • David Malcolm Lewis
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Filter
    • Publication number 20130255704
    • Publication date Oct 3, 2013
    • John Roger Sampson
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    COMPOSITION AND METHOD
    • Publication number 20130133141
    • Publication date May 30, 2013
    • PERACHEM LIMITED
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Metal Treatment
    • Publication number 20130075267
    • Publication date Mar 28, 2013
    • ACCENTUS MEDICAL LTD
    • James Timothy Shawcross
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    Guide Nozzle for Use With Filter Rod Manufacturing Apparatus
    • Publication number 20120122639
    • Publication date May 17, 2012
    • Andy Davis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    Metal Treatment
    • Publication number 20120018308
    • Publication date Jan 26, 2012
    • ACCENTUS MEDICAL PLC
    • James Timothy Shawcross
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    Hair Treatment Composition and Methods
    • Publication number 20110256081
    • Publication date Oct 20, 2011
    • Jamie Anthony Hawkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HAIR TREATMENT METHODS
    • Publication number 20110189116
    • Publication date Aug 4, 2011
    • PERACHEM LIMITED
    • Céline Gauché
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BLEACHING METHODS AND COMPOSITIONS
    • Publication number 20110168202
    • Publication date Jul 14, 2011
    • PERACHEM LIMITED
    • Celine Gauche
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE