Inventor · disambiguated record
Duncan Roy Coupland
Also filed as: COUPLAND DUNCAN · COUPLAND DUNCAN R · COUPLAND DUNCAN ROY
17 granted patents·5 pending applications·229 citations·filing 1979–2018
94Inventor score
Files withJOHNSON MATTHEY PLC15COUPLAND DUNCAN ROY3AXON SEAN ALEXANDER1FEDERAL MOGUL IGNITION U K LTD1JOHNSON MATTHEY CO LTD1
Top patents by PatentIndex Score
22 records- 0198US9272264B2Catalyst manufacturing methodJOHNSON MATTHEY PLC·Filed 2015·Granted Mar 1, 2016·27 cites·16 claims
- 0295US9278338B2Catalyst manufacturing methodCOUPLAND DUNCAN ROY·Filed 2011·Granted Mar 8, 2016·36 cites·12 claims
- 0394US4261742APlatinum group metal-containing alloysJOHNSON MATTHEY CO LTD·Filed 1979·Granted Apr 14, 1981·51 cites·6 claims
- 0491US9839907B2Catalyst manufacturing methodJOHNSON MATTHEY PLC·Filed 2017·Granted Dec 12, 2017·3 cites·13 claims
- 0590US10913257B2Component produced by additive manufacturingJOHNSON MATTHEY PLC·Filed 2018·Granted Feb 9, 2021·9 cites·16 claims
- 0684US10843174B2Catalyst manufacturing methodJOHNSON MATTHEY PLC·Filed 2015·Granted Nov 24, 2020·3 cites·29 claims
- 0783US6885136B2Ignition device having an electrode formed from an iridium-based alloyFiled 2003·Granted Apr 26, 2005·16 cites·16 claims
- 0878US9340424B2Catalyst structuresJOHNSON MATTHEY PLC·Filed 2015·Granted May 17, 2016·3 cites·14 claims
- 0970US4662920ACast component of nickel alloys containing large amounts of chromiumJOHNSON MATTHEY PLC·Filed 1984·Granted May 5, 1987·18 cites·7 claims
- 1069US5437933ACoated ceramic articleJOHNSON MATTHEY PLC·Filed 1993·Granted Aug 1, 1995·25 cites·12 claims
- 1161US7481971B2Iridium alloyJOHNSON MATTHEY PLC·Filed 2003·Granted Jan 27, 2009·3 cites·14 claims
- 1261US2016136634A1Catalyst manufacturing methodJOHNSON MATTHEY PLC·Filed 2016·Application pending·0 cites
- 1354US8980785B2Catalyst structuresCOUPLAND DUNCAN ROY·Filed 2011·Granted Mar 17, 2015·0 cites·16 claims
- 1454US5338509AMethod of using Pd-alloy pinning wires in turbine blade castingJOHNSON MATTHEY PLC·Filed 1993·Granted Aug 16, 1994·15 cites·9 claims
- 1554US2010015399A1Refractory metallic oxide ceramic part having platinum group metal or platinum group metal alloy coatingJOHNSON MATTHEY PLC·Filed 2007·Application pending·0 cites
- 1651US2010218855A1Metal protectionCOUPLAND DUNCAN ROY·Filed 2007·Application pending·0 cites
- 1743US7352120B2Ignition device having an electrode tip formed from an iridium-based alloyFEDERAL MOGUL IGNITION U K LTD·Filed 2004·Granted Apr 1, 2008·2 cites·20 claims
- 1843US5756223ACoated articleJOHNSON MATTHEY PLC·Filed 1995·Granted May 26, 1998·17 cites·23 claims
- 1940US8178068B2Catalyst charge designAXON SEAN ALEXANDER·Filed 2004·Granted May 15, 2012·1 cites·13 claims
- 2039US10913057B2Shaped catalyst particleJOHNSON MATTHEY PLC·Filed 2016·Granted Feb 9, 2021·0 cites·27 claims
- 2125US2017218482A1Rhodium alloysJOHNSON MATTHEY PLC·Filed 2015·Application pending·0 cites
- 2225US2017222406A1Rhodium alloysJOHNSON MATTHEY PLC·Filed 2015·Application pending·0 cites
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