Inventor · disambiguated record
David Mumford
Also filed as: MUMFORD DAVID · MUMFORD DAVID K · MUMFORD DAVID KALU
17 granted patents·176 citations·filing 2001–2023
92Inventor score
Files withWESTPORT POWER INC9MUMFORD DAVID2WESTPORT RES INC2CATERPILLAR INC1HPDI TECH LIMITED PARTNERSHIP1
Top patents by PatentIndex Score
17 records- 0195US8108131B2Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engineHUANG JIAN·Filed 2010·Granted Jan 31, 2012·35 cites·25 claims
- 0289US6761325B2Dual fuel injection valve and method of operating a dual fuel injection valveWESTPORT RES INC·Filed 2001·Granted Jul 13, 2004·63 cites·36 claims
- 0385US10247112B2Hydraulically actuated gaseous fuel injectorWESTPORT POWER INC·Filed 2016·Granted Apr 2, 2019·3 cites·19 claims
- 0485US9366195B2Fuel injection valve and method of actuatingWESTPORT POWER INC·Filed 2014·Granted Jun 14, 2016·7 cites·20 claims
- 0581US10371065B2High pressure fluid control system and method of controlling pressure bias in an end use deviceWESTPORT POWER INC·Filed 2016·Granted Aug 6, 2019·3 cites·20 claims
- 0681US7124959B2Dual fuel injection valve and method of operating a dual fuel injection valveWESTPORT POWER INC·Filed 2004·Granted Oct 24, 2006·38 cites·23 claims
- 0776US10030613B2Supplying gaseous fuel from a liquid state to an engineWESTPORT POWER INC·Filed 2015·Granted Jul 24, 2018·2 cites·24 claims
- 0875US9022303B2Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engineMUMFORD DAVID·Filed 2010·Granted May 5, 2015·4 cites·24 claims
- 0972US8413638B2Directly actuated valve with a strain-type actuator and a method of operating sameMUMFORD DAVID·Filed 2010·Granted Apr 9, 2013·3 cites·45 claims
- 1070US12442337B2Apparatus and method for regulating and injecting gaseous fuel into an internal combustion engineHPDI TECH LIMITED PARTNERSHIP·Filed 2023·Granted Oct 14, 2025·0 cites·30 claims
- 1168US10527005B2Apparatus for reducing pressure pulsations in a gaseous fuelled internal combustion engineWESTPORT POWER INC·Filed 2015·Granted Jan 7, 2020·1 cites·25 claims
- 1268US7100577B2Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission device and a method of operating sameWESTPORT RES INC·Filed 2004·Granted Sep 5, 2006·13 cites·78 claims
- 1364US10865718B2Pressure regulating modules with controlled leak pathsWESTPORT POWER INC·Filed 2017·Granted Dec 15, 2020·1 cites·20 claims
- 1456US11053866B2Hydraulically actuated gaseous fuel injectorWESTPORT FUEL SYSTEMS CANADA INC·Filed 2019·Granted Jul 6, 2021·0 cites·16 claims
- 1554US9458805B2Method and apparatus for pumping fuel to a fuel injection systemWESTPORT POWER INC·Filed 2014·Granted Oct 4, 2016·2 cites·47 claims
- 1652US9863365B2Supplying gaseous fuel from a liquid state to an internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Jan 9, 2018·1 cites·15 claims
- 1727US9556805B2Control system and method for isolating high pressure pilot fuel in dual-fuel HPDI systemCATERPILLAR INC·Filed 2015·Granted Jan 31, 2017·0 cites·20 claims
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