Inventor · disambiguated record
David Malcolm Lewis
Also filed as: LEWIS DAVID · LEWIS DAVID FAIRHURST · LEWIS DAVID L · LEWIS DAVID M
50 granted patents·12 pending applications·1,298 citations·filing 1972–2019
98Inventor score
Files withPERACHEM LTD7UNIV NORTH CAROLINA STATE7IWS NOMINEE CO LTD5HAWKES JAMIE ANTHONY4LEWIS DAVID MALCOLM4
Top patents by PatentIndex Score
62 records- 0198US5633678AElectronic still camera for capturing and categorizing imagesEASTMAN KODAK CO·Filed 1995·Granted May 27, 1997·780 cites·30 claims
- 0296US4276730ABuilding wall constructionLEWIS DAVID M·Filed 1979·Granted Jul 7, 1981·112 cites·4 claims
- 0394US8753696B1Methods for preparing cannabis and related productsLEWIS DAVID·Filed 2012·Granted Jun 17, 2014·14 cites·2 claims
- 0490US7971602B2Systems and methods for the collection, retention and redistribution of rainwater and methods of construction of the sameLEWIS DAVID·Filed 2007·Granted Jul 5, 2011·26 cites·27 claims
- 0588US8157905B2Security inks containing infrared absorbing metal compoundsLEWIS DAVID MALCOLM·Filed 2007·Granted Apr 17, 2012·14 cites·8 claims
- 0686US4455147ATransfer printingIWS NOMINEE CO LTD·Filed 1981·Granted Jun 19, 1984·44 cites·8 claims
- 0784US5364415AOxidative hair dye compositions and processes utilizing leuco vat dyesCLAIROL INC·Filed 1993·Granted Nov 15, 1994·18 cites·11 claims
- 0883US6258928B1Process for improving characteristics of a polyamideDU PONT·Filed 2000·Granted Jul 10, 2001·18 cites·20 claims
- 0979US4563189ATreatment of fibers with arylating agents to enhance disperse dyeabilityWOOL DEV INT·Filed 1984·Granted Jan 7, 1986·22 cites·12 claims
- 1076US8016895B2Hair treatment composition and methodsPERACHEM LTD·Filed 2009·Granted Sep 13, 2011·1 cites·12 claims
- 1175US10183372B2Thread repair tools and methods of making and using the sameLEWIS TERRY A·Filed 2016·Granted Jan 22, 2019·3 cites·24 claims
- 1274US8551371B2Method and compositionHAWKES JAMIE ANTHONY·Filed 2008·Granted Oct 8, 2013·2 cites·11 claims
- 1374USD614481SFramework connectorEXPO DYNAMO SYSTEMS LTD·Filed 2009·Granted Apr 27, 2010·22 cites·1 claims
- 1473US6713613B1Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2000·Granted Mar 30, 2004·4 cites·41 claims
- 1571US6942706B2Vat acid dyeing of textile fibersINVISTA NORTH AMERICA SARL·Filed 2004·Granted Sep 13, 2005·6 cites·2 claims
- 1670US6790943B1Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2000·Granted Sep 14, 2004·2 cites·30 claims
- 1767US6723834B1Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2000·Granted Apr 20, 2004·3 cites·38 claims
- 1867US4032565ACross-linkable compoundsIWS NOMINEE CO LTD·Filed 1974·Granted Jun 28, 1977·16 cites·6 claims
- 1966US11458086B2Method and compositionPERACHEM LTD·Filed 2019·Granted Oct 4, 2022·0 cites·8 claims
- 2066US2020018015A1Use of fibre comprising composite fibres of cellulose and cellulose acetate as bleach activatorINNOVIA FILMS LTD·Filed 2018·Application pending·0 cites
- 2164US9358578B2PrintingINOVINK LTD·Filed 2014·Granted Jun 7, 2016·0 cites·11 claims
- 2264US3933421APolymer treatment of fibrous and filamentary materialsIWS NOMINEE CO LTD·Filed 1972·Granted Jan 20, 1976·13 cites·26 claims
- 2363US6716969B1Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2000·Granted Apr 6, 2004·4 cites·26 claims
- 2463US6387389B1Sustained-release derivatives of hydroxylated analogs of substituted 1-[2[bis(aryl)methoxy]ethyl]-piperazines and -homopiperazines and their useUS HEALTH·Filed 1997·Granted May 14, 2002·25 cites·34 claims
- 2562US8999301B2Bleaching methods and compositionsGAUCHÉ CÉLINE·Filed 2009·Granted Apr 7, 2015·0 cites·5 claims
- 2661US6518407B1Reactive dye compound comprising at least one chromophore moiety and at least one nitrogen-containing heterocyclePROCTER & GAMBLE·Filed 1999·Granted Feb 11, 2003·11 cites·38 claims
- 2761US5325554ARetainer for bedclothesLEWIS DAVID M·Filed 1992·Granted Jul 5, 1994·29 cites·9 claims
- 2860US8268013B2Hair treatment composition and methodsHAWKES JAMIE ANTHONY·Filed 2011·Granted Sep 18, 2012·0 cites·5 claims
- 2960US7442780B2Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2002·Granted Oct 28, 2008·4 cites·17 claims
- 3059US4815024ASimulation apparatusUNIV TORONTO·Filed 1987·Granted Mar 21, 1989·26 cites·7 claims
- 3159US2020018016A1Fibre comprising composite fibres of cellulose and cellulose acetateINNOVIA FILMS LTD·Filed 2018·Application pending·0 cites
- 3258US2015252521A1Relating to wool treatmentPERACHEM LTD·Filed 2015·Application pending·0 cites
- 3357US2008282478A1Improvements in and Relating to Wool TreatmentLEWIS DAVID MALCOLM·Filed 2006·Application pending·0 cites
- 3456US9364403B2Hair treatment methodsPERACHEM LTD·Filed 2013·Granted Jun 14, 2016·0 cites·9 claims
- 3556US6447554B1Reactive dye compoundsPROCTER & GAMBLE·Filed 1999·Granted Sep 10, 2002·17 cites·10 claims
- 3656US3968146AEsters of sulfothio alkanoic acidsIWS NOMINEE CO LTD·Filed 1972·Granted Jul 6, 1976·7 cites·8 claims
- 3755US11046104B2Security printingINOVINK LTD·Filed 2018·Granted Jun 29, 2021·0 cites·18 claims
- 3855US8277519B2Hair treatment methodsGAUCHE CELINE·Filed 2009·Granted Oct 2, 2012·0 cites·7 claims
- 3955US2009212554A1PrintingLEWIS DAVID MALCOLM·Filed 2007·Application pending·0 cites
- 4052US7159333B2Use of percarbamic acids and diacyl percarbamates and precursors thereforUNIV LEEDS·Filed 2001·Granted Jan 9, 2007·2 cites·22 claims
- 4151US5071641AMethod of setting hairUNIV LEEDS IND SERVICE LTD·Filed 1989·Granted Dec 10, 1991·15 cites·6 claims
- 4249US9320695B2Hair treatment methodsPERACHEM LTD·Filed 2013·Granted Apr 26, 2016·0 cites·11 claims
- 4349US9168396B2Composition and methodHAWKES JAMIE ANTHONY·Filed 2011·Granted Oct 27, 2015·0 cites·12 claims
- 4448US11648191B2Method and composition for colouring an eyebrow comprising an organic acidPERACHEM LTD·Filed 2018·Granted May 16, 2023·0 cites·4 claims
- 4548US6869453B1Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2000·Granted Mar 22, 2005·9 cites·25 claims
- 4648US6736864B1Reactive dye compoundsUNIV NORTH CAROLINA STATE·Filed 2000·Granted May 18, 2004·1 cites·20 claims
- 4746US8853106B2Phosphorus-contaning flame-retardant compositionsWEBB PAUL·Filed 2007·Granted Oct 7, 2014·0 cites·7 claims
- 4845US10259255B2Security printingINOVINK LTD·Filed 2016·Granted Apr 16, 2019·0 cites·7 claims
- 4945US2007027097A1Small interfering RNA with improved activityLEWIS DAVID L·Filed 2005·Application pending·0 cites
- 5045US2002147126A1Cotton fabric with durable propertiesPROCTER & GAMBLE·Filed 2002·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when David Malcolm Lewis files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →