Inventor · disambiguated record
Alan B. Welch
Also filed as: WELCH ALAN · WELCH ALAN B
9 granted patents·258 citations·filing 1990–2016
90Inventor score
Top patents by PatentIndex Score
9 records- 0196US8555852B2Gaseous-fuelled stoichiometric compression ignition internal combustion engineWESTPORT POWER INC·Filed 2013·Granted Oct 15, 2013·30 cites·35 claims
- 0293US6575138B2Directly actuated injection valveWESTPORT RES INC·Filed 2001·Granted Jun 10, 2003·59 cites·41 claims
- 0393US6298829B1Directly actuated injection valveWESTPORT RES INC·Filed 2000·Granted Oct 9, 2001·74 cites·32 claims
- 0492US9856837B2Apparatus and method for fuelling a flexible-fuel internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Jan 2, 2018·14 cites·68 claims
- 0589US9482168B2Mid-cycle fuel injection strategiesWESTPORT POWER INC·Filed 2015·Granted Nov 1, 2016·4 cites·24 claims
- 0687US7281514B2Glow ring ignition assist for internal combustion engineWESTPORT POWER INC·Filed 2005·Granted Oct 16, 2007·16 cites·38 claims
- 0787US5035206ADual fuel natural gas/diesel 2-stroke engineORTECH CORP·Filed 1990·Granted Jul 30, 1991·56 cites·12 claims
- 0876US10385788B2Operating a gaseous fuel injectorWESTPORT POWER INC·Filed 2016·Granted Aug 20, 2019·2 cites·20 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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →