Inventor · disambiguated record
Robert G. Sperry
Also filed as: SPERRY ROBERT · SPERRY ROBERT G
14 granted patents·1 pending application·29 citations·filing 2012–2023
86Inventor score
Files withCUMMINS INC8CUMMINS EMISSION SOLUTIONS INC3ACHATES POWER INC1HYDROGENICS CORP1SPERRY ROBERT1
Top patents by PatentIndex Score
15 records- 0190US11691120B1Exhaust gas aftertreatment systemsCUMMINS EMISSION SOLUTIONS INC·Filed 2021·Granted Jul 4, 2023·3 cites·24 claims
- 0288US8950383B2Gaseous fuel mixer for internal combustion engineSPERRY ROBERT G·Filed 2012·Granted Feb 10, 2015·12 cites·27 claims
- 0380US11402020B2Piston with multiaxial bearing and piston bowlCUMMINS INC·Filed 2020·Granted Aug 2, 2022·1 cites·20 claims
- 0465US11047334B2Intake chamber air diffusing feature in an opposed-piston engineACHATES POWER INC·Filed 2019·Granted Jun 29, 2021·0 cites·28 claims
- 0562USD877530SIn-wall toilet paper container and dispenserSPERRY ROBERT·Filed 2018·Granted Mar 10, 2020·11 cites·1 claims
- 0660US11555469B2Piston bowlsCUMMINS INC·Filed 2021·Granted Jan 17, 2023·0 cites·20 claims
- 0757US11619150B2Lubrication fluid storage system with ventingCUMMINS INC·Filed 2021·Granted Apr 4, 2023·0 cites·19 claims
- 0854US12163484B2Piston, block assembly, and method for coolingCUMMINS INC·Filed 2021·Granted Dec 10, 2024·0 cites·19 claims
- 0954US2023375016A1Fluid vortex breakerHYDROGENICS CORP·Filed 2023·Application pending·0 cites
- 1049US12129810B2System and method for deburred port holes in a two-stroke engineCUMMINS INC·Filed 2021·Granted Oct 29, 2024·0 cites·20 claims
- 1147US11415075B2Port shapes for enhanced engine breathingCUMMINS INC·Filed 2020·Granted Aug 16, 2022·0 cites·20 claims
- 1247US11098681B2Cobra head air intake ports and intake manifoldsCUMMINS INC·Filed 2020·Granted Aug 24, 2021·0 cites·24 claims
- 1345US11143149B2Cobra head air intake portsCUMMINS INC·Filed 2016·Granted Oct 12, 2021·0 cites·18 claims
- 1444USD967864SExhaust gas aftertreatment systemCUMMINS EMISSION SOLUTIONS INC·Filed 2021·Granted Oct 25, 2022·1 cites·1 claims
- 1544USD967863SExhaust gas aftertreatment systemCUMMINS EMISSION SOLUTIONS INC·Filed 2021·Granted Oct 25, 2022·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →