Inventor · disambiguated record
David Robert Greenwell
Also filed as: GREENWELL DAVID · GREENWELL DAVID ROBERT
8 granted patents·3 pending applications·152 citations·filing 2010–2018
89Inventor score
Top patents by PatentIndex Score
11 records- 0197US9352279B2Filter substrate comprising three-way catalystJOHNSON MATTHEY PLC·Filed 2013·Granted May 31, 2016·27 cites·16 claims
- 0297US8012439B2FilterJOHNSON MATTHEY PLC·Filed 2010·Granted Sep 6, 2011·48 cites·34 claims
- 0396US9789443B2Filter substrate comprising three-way catalystJOHNSON MATTHEY PLC·Filed 2016·Granted Oct 17, 2017·13 cites·24 claims
- 0495US9366166B2Filter substrate comprising zone-coated catalyst washcoatJOHNSON MATTHEY PLC·Filed 2014·Granted Jun 14, 2016·13 cites·28 claims
- 0595US9347349B2Positive ignition engine and exhaust system comprising catalysed zone-coated filter substrateJOHNSON MATTHEY PLC·Filed 2014·Granted May 24, 2016·14 cites·17 claims
- 0695US8211393B2Exhaust system for a vehicular positive ignition internal combustion engineARNOLD LOUISE CLARE·Filed 2010·Granted Jul 3, 2012·21 cites·18 claims
- 0785US9261004B2Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engineARNOLD LOUISE·Filed 2013·Granted Feb 16, 2016·3 cites·6 claims
- 0885US8608820B2Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engineARNOLD LOUISE·Filed 2010·Granted Dec 17, 2013·13 cites·31 claims
- 0967US2018361364A1Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engineJOHNSON MATTHEY PLC·Filed 2018·Application pending·0 cites
- 1062US2016193594A1Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engineARNOLD LOUISE·Filed 2016·Application pending·0 cites
- 1146US2014234189A1Positive Ignition Engine and Exhaust System Comprising Three-Way Catalysed FilterJOHNSON MATTHEY PLC·Filed 2014·Application pending·0 cites
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