Inventor · disambiguated record
Martyn Vincent Twigg
Also filed as: TWIGG MARTYN · TWIGG MARTYN V · TWIGG MARTYN VINCENT
46 granted patents·18 pending applications·1,749 citations·filing 1980–2016
99Inventor score
Files withJOHNSON MATTHEY PLC29ICI PLC10TWIGG MARTYN V5OGER BERNARD PAUL GABRIEL GHISLAIN MARIE2PHILLIPS PAUL RICHARD2
Top patents by PatentIndex Score
64 records- 0198US7264785B2Selective catalytic reductionJOHNSON MATTHEY PLC·Filed 2002·Granted Sep 4, 2007·157 cites·86 claims
- 0298US6753294B1Catalytic wall-flow filterJOHNSON MATTHEY PLC·Filed 2000·Granted Jun 22, 2004·193 cites·24 claims
- 0397US4810685AFoam catalysts, method of manufacture and method of usingICI PLC·Filed 1987·Granted Mar 7, 1989·117 cites·16 claims
- 0496US7097817B2Method for treating soot-containing exhaustJOHNSON MATTHEY PLC·Filed 2004·Granted Aug 29, 2006·91 cites·30 claims
- 0596US6696031B1Treatment of exhaust gasJOHNSON MATTHEY PLC·Filed 2000·Granted Feb 24, 2004·76 cites·14 claims
- 0696US5030440AHydrogen productionICI PLC·Filed 1989·Granted Jul 9, 1991·89 cites·8 claims
- 0795US7998424B2Exhaust system comprising zoned oxidation catalystJOHNSON MATTHEY PLC·Filed 2007·Granted Aug 16, 2011·30 cites·20 claims
- 0895US6863874B1Process and apparatus for treating combustion exhaust gasJOHNSON MATTHEY PLC·Filed 1999·Granted Mar 8, 2005·103 cites·17 claims
- 0994US4863712ACatalysts for reforming hydrocarbon feedstocksICI PLC·Filed 1988·Granted Sep 5, 1989·78 cites·10 claims
- 1093US7178331B2Exhaust system for lean burn IC enginesJOHNSON MATTHEY PLC·Filed 2003·Granted Feb 20, 2007·56 cites·55 claims
- 1193US6877313B1Particulate controlJOHNSON MATTHEY PLC·Filed 1999·Granted Apr 12, 2005·84 cites·46 claims
- 1293US4329530AHydrogenation catalyst and process for the selective hydrogenation of highly unsaturated hydrocarbonsICI LTD·Filed 1980·Granted May 11, 1982·80 cites·10 claims
- 1392US8220251B2Exhaust system comprising exotherm-generating catalystOGER BERNARD PAUL GABRIEL GHISLAIN MARIE·Filed 2005·Granted Jul 17, 2012·22 cites·23 claims
- 1492US7111453B2Emissions controlJOHNSON MATTHEY PLC·Filed 2005·Granted Sep 26, 2006·20 cites·14 claims
- 1591US6294141B1Emission controlJOHNSON MATTHEY PLC·Filed 1997·Granted Sep 25, 2001·126 cites·19 claims
- 1688US7861516B2Methods of controlling reductant additionJOHNSON MATTHEY PLC·Filed 2004·Granted Jan 4, 2011·57 cites·20 claims
- 1788US6775972B2Purification of exhaust gasesJOHNSON MATTHEY PLC·Filed 2002·Granted Aug 17, 2004·45 cites·35 claims
- 1885US4581157ACatalyst and steam reforming processICI PLC·Filed 1984·Granted Apr 8, 1986·38 cites·4 claims
- 1985US4460704ACatalyst for the production of hydrogenICI PLC·Filed 1981·Granted Jul 17, 1984·38 cites·13 claims
- 2081US6651424B1Catalyst systemsJOHNSON MATTHEY PLC·Filed 2000·Granted Nov 25, 2003·27 cites·11 claims
- 2180US9528408B2Exhaust system comprising exotherm-generating catalystJOHNSON MATTHEY PLC·Filed 2014·Granted Dec 27, 2016·3 cites·17 claims
- 2279US7430857B2Emissions controlJOHNSON MATTHEY PLC·Filed 2006·Granted Oct 7, 2008·6 cites·19 claims
- 2377US8925304B2Exhaust system comprising exotherm-generating catalystOGER BERNARD PAUL GABRIEL GHISLAIN MARIE·Filed 2012·Granted Jan 6, 2015·3 cites·19 claims
- 2477US7485270B2Process for treating compression ignition engine exhaust gasJOHNSON MATTHEY PLC·Filed 2003·Granted Feb 3, 2009·19 cites·32 claims
- 2576US8006485B2Compression ignition engine and exhaust system thereforJOHNSON MATTHEY PLC·Filed 2003·Granted Aug 30, 2011·19 cites·27 claims
- 2675US6857265B2Diesel exhaust system including NOx-trapJOHNSON MATTHEY PLC·Filed 2001·Granted Feb 22, 2005·22 cites·20 claims
- 2773US9352277B2Diesel particulate filterSUTTON NEAL·Filed 2011·Granted May 31, 2016·4 cites·11 claims
- 2873US7141226B2Light-duty diesel catalystsJOHNSON MATTHEY PLC·Filed 2001·Granted Nov 28, 2006·12 cites·13 claims
- 2972US6889498B1Emissions controlJOHNSON MATTHEY PLC·Filed 1999·Granted May 10, 2005·28 cites·13 claims
- 3068US8372187B2Particulate matter generator and collectorJOHNSON MATTHEY PLC·Filed 2007·Granted Feb 12, 2013·3 cites·16 claims
- 3168US8105560B2System for treating a gas streamPHILLIPS PAUL RICHARD·Filed 2009·Granted Jan 31, 2012·7 cites·6 claims
- 3266US4760190AAmine productionICI PLC·Filed 1986·Granted Jul 26, 1988·19 cites·5 claims
- 3365US8327632B2Exhaust system comprising catalysed soot filterPHILLIPS PAUL RICHARD·Filed 2007·Granted Dec 11, 2012·3 cites·13 claims
- 3464US9676623B2Process and apparatus for conducting simultaneous endothermic and exothermic reactionsVELOCYS INC·Filed 2013·Granted Jun 13, 2017·1 cites·50 claims
- 3564US9239019B2Particulate matter retaining systemLAMBERT CHRISTINE KAY·Filed 2012·Granted Jan 19, 2016·2 cites·18 claims
- 3662US9101879B2CatalystsTWIGG MARTYN VINCENT·Filed 2009·Granted Aug 11, 2015·0 cites·16 claims
- 3762US4568583ASteam reformingICI PLC·Filed 1984·Granted Feb 4, 1986·15 cites·15 claims
- 3859US4732688AEffluent treatmentICI PLC·Filed 1986·Granted Mar 22, 1988·23 cites·9 claims
- 3958US7404933B2Diesel exhaust system including NOx-trapJOHNSON MATTHEY PLC·Filed 2001·Granted Jul 29, 2008·8 cites·12 claims
- 4058US2009098034A1Method of treating atmospheric pollutantsJOHNSON MATTHEY PLC·Filed 2008·Application pending·0 cites
- 4151US9517454B2Diesel particulate filterSUTTON NEAL·Filed 2016·Granted Dec 13, 2016·0 cites·12 claims
- 4250US6978601B1Regenerating sulphur poisoned diesel catalystsJOHNSON MATTHEY PLC·Filed 2000·Granted Dec 27, 2005·9 cites·20 claims
- 4349US10006847B2Nanoparticle countingTWIGG SCIENT & TECHNICAL LTD·Filed 2014·Granted Jun 26, 2018·0 cites·12 claims
- 4449US4584235AThin films of phthalocyanine on substrateICI PLC·Filed 1984·Granted Apr 22, 1986·12 cites·11 claims
- 4547US2015238943A1Catalyst comprising silver oxide and calcium carbonate, method for the manufacture of the catalyst and its use for the destruction of sterilantJOHNSON MATTHEY PLC·Filed 2013·Application pending·0 cites
- 4646US2013209943A1Particulate matter generator and collectorCOMPANY JOHNSON MATTHEY PUBLIC LTD·Filed 2013·Application pending·0 cites
- 4744US7488456B2Method of treating atmospheric pollutantsJOHNSON MATTHEY PLC·Filed 2002·Granted Feb 10, 2009·0 cites·24 claims
- 4844US4777295ACatalytic reduction processICI PLC·Filed 1986·Granted Oct 11, 1988·2 cites·12 claims
- 4944US2011113774A1Improvements in emissions controlJOHNSON MATTHEY PLC·Filed 2009·Application pending·0 cites
- 5043US2007191217A1Method of manufacturing a catalysed ceramic wall-flow filterTWIGG MARTYN V·Filed 2005·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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