Inventor · disambiguated record
Bobby John
Also filed as: JOHN BOBBY
36 granted patents·1 pending application·77 citations·filing 2014–2024
95Inventor score
Files withCATERPILLAR INC37
Top patents by PatentIndex Score
37 records- 0198US9803538B2Ducted combustion systems utilizing duct structuresCATERPILLAR INC·Filed 2015·Granted Oct 31, 2017·15 cites·16 claims
- 0298US9587606B2Ducted combustion systems utilizing tubular ductsCATERPILLAR INC·Filed 2015·Granted Mar 7, 2017·20 cites·28 claims
- 0394US9869270B1Piston design for jet placementCATERPILLAR INC·Filed 2016·Granted Jan 16, 2018·8 cites·20 claims
- 0493US9518547B2Fuel injector including extensions for split spray anglesCATERPILLAR INC·Filed 2015·Granted Dec 13, 2016·7 cites·20 claims
- 0590US10690107B1Composite spark and liquid pilot igniter for dual fuel engineCATERPILLAR INC·Filed 2019·Granted Jun 23, 2020·3 cites·20 claims
- 0690US10619594B2Combustion system for an internal combustion engineCATERPILLAR INC·Filed 2017·Granted Apr 14, 2020·4 cites·20 claims
- 0789US11359590B1Igniter for dual fuel engine having liquid fuel outlet checks and spark ignition sourceCATERPILLAR INC·Filed 2021·Granted Jun 14, 2022·2 cites·20 claims
- 0888US10900450B1Fuel system, fuel injector nozzle assembly, and engine head assembly structured for ducted fuel injectionCATERPILLAR INC·Filed 2019·Granted Jan 26, 2021·3 cites·20 claims
- 0986US10767610B2Liquid fuel injector having dual nozzle outlet sets, fuel system, and methodCATERPILLAR INC·Filed 2018·Granted Sep 8, 2020·3 cites·19 claims
- 1084US11549474B2Ducted fuel injector having nested checks with non-rotating outer check and method of operating sameCATERPILLAR INC·Filed 2021·Granted Jan 10, 2023·1 cites·19 claims
- 1184US9915215B2Fuel injector for pulsed injections and system and method thereofCATERPILLAR INC·Filed 2016·Granted Mar 13, 2018·3 cites·9 claims
- 1283US10823106B1Early pilot lean burn strategy in dual fuel engine using targeted pilot flamesCATERPILLAR INC·Filed 2019·Granted Nov 3, 2020·2 cites·19 claims
- 1381US10563597B2Fuel injectorCATERPILLAR INC·Filed 2017·Granted Feb 18, 2020·2 cites·18 claims
- 1474US10563632B2Fuel injectorCATERPILLAR INC·Filed 2017·Granted Feb 18, 2020·1 cites·20 claims
- 1572US9995203B2Piston design for flow re-directionCATERPILLAR INC·Filed 2016·Granted Jun 12, 2018·1 cites·20 claims
- 1671US12209560B1Fuel admission tube for gaseous fuel engine and engine operating methodCATERPILLAR INC·Filed 2024·Granted Jan 28, 2025·0 cites·20 claims
- 1771US10087882B2Piston design for splitting jetsCATERPILLAR INC·Filed 2016·Granted Oct 2, 2018·1 cites·15 claims
- 1869US12078129B2Gaseous fuel engine having non-axisymmetric fuel admission valve and methodCATERPILLAR INC·Filed 2022·Granted Sep 3, 2024·0 cites·20 claims
- 1969US10989153B2Fuel system for reducing fuel targeting errors and engine operating methodCATERPILLAR INC·Filed 2018·Granted Apr 27, 2021·1 cites·13 claims
- 2066US11598300B2Fuel system for reducing fuel targeting errors and engine operating methodCATERPILLAR INC·Filed 2021·Granted Mar 7, 2023·0 cites·18 claims
- 2164US12110851B2Fuel injector in an engine having spray orifice set configured for offset positioning and engine operating methodCATERPILLAR INC·Filed 2022·Granted Oct 8, 2024·0 cites·20 claims
- 2264US10718257B1Dual-fuel combustion method and systemCATERPILLAR INC·Filed 2019·Granted Jul 21, 2020·0 cites·20 claims
- 2362US11639701B1Gaseous fuel engine configuration and method using always-open fuel admission portsCATERPILLAR INC·Filed 2022·Granted May 2, 2023·0 cites·16 claims
- 2459US12448939B1Fuel admission tube for enhanced mixing in gaseous fuel engine and engine operating methodCATERPILLAR INC·Filed 2024·Granted Oct 21, 2025·0 cites·14 claims
- 2559US10982601B2Combustion control system and method for switching between spark and pilot-ignited operating modes in dual fuel engineCATERPILLAR INC·Filed 2019·Granted Apr 20, 2021·0 cites·20 claims
- 2658US12337820B2Machine having hydrogen engine hybrid power system and control strategy for sameCATERPILLAR INC·Filed 2023·Granted Jun 24, 2025·0 cites·10 claims
- 2756US10704492B1Piston for an internal combustion engineCATERPILLAR INC·Filed 2019·Granted Jul 7, 2020·0 cites·20 claims
- 2855US10934966B2Combustion phasing control for high substitution lean burn of gaseous fuels in dual fuel engineCATERPILLAR INC·Filed 2019·Granted Mar 2, 2021·0 cites·19 claims
- 2955US10876495B2Piston design for splitting jets into streamsCATERPILLAR INC·Filed 2018·Granted Dec 29, 2020·0 cites·21 claims
- 3054US10823131B2Dual fuel combustion control based on covaried spark production and pilot shot deliveryCATERPILLAR INC·Filed 2019·Granted Nov 3, 2020·0 cites·20 claims
- 3153US10563609B2Fuel injectorCATERPILLAR INC·Filed 2017·Granted Feb 18, 2020·0 cites·20 claims
- 3248US11225933B2Twin outlet check liquid fuel injector for dual fuel systemCATERPILLAR INC·Filed 2018·Granted Jan 18, 2022·0 cites·16 claims
- 3347US10378495B2Fuel system having purging capability for reduced fuel dribbleCATERPILLAR INC·Filed 2017·Granted Aug 13, 2019·0 cites·20 claims
- 3446US11274628B2Internal combustion engine and piston having stepped combustion bowl with non-axisymmetric profileCATERPILLAR INC·Filed 2020·Granted Mar 15, 2022·0 cites·19 claims
- 3545US11118533B1Piston for internal combustion engine having congruous combustion bowl and gallery surfaces and method of making the sameCATERPILLAR INC·Filed 2020·Granted Sep 14, 2021·0 cites·18 claims
- 3643US11885290B2Fuel injector and nozzle assembly having dual concentric check assembly and ducted spray orificesCATERPILLAR INC·Filed 2020·Granted Jan 30, 2024·0 cites·14 claims
- 3742US2015285178A1Reactivity controlled compression ignition engine and method of combustion phasing controlCATERPILLAR INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →