Inventor · disambiguated record
Andrew P. Perr
Also filed as: PERR ANDREW P
17 granted patents·4 pending applications·134 citations·filing 1997–2024
92Inventor score
Files withCUMMINS INC9ACHATES POWER INC5CUMMINS ENGINE CO INC4CUMMINS FILTRATION IP INC1HECKEL SCOTT P1
Top patents by PatentIndex Score
21 records- 0194US8146574B2Engine air management systemHECKEL SCOTT P·Filed 2009·Granted Apr 3, 2012·21 cites·4 claims
- 0291US8616188B2Engine air management systemVERDEGAN BARRY M·Filed 2012·Granted Dec 31, 2013·7 cites·4 claims
- 0391US8342160B2Engine air management systemCUMMINS FILTRATION IP INC·Filed 2012·Granted Jan 1, 2013·9 cites·8 claims
- 0487US10989136B2Parent bore cylinder block of an opposed-piston engineACHATES POWER INC·Filed 2018·Granted Apr 27, 2021·1 cites·11 claims
- 0587US7240643B1Piston cooling nozzle and positioning method for an internal combustion engineCUMMINS INC·Filed 2006·Granted Jul 10, 2007·22 cites·19 claims
- 0686US12286940B2Parent bore cylinder block of an opposed-piston engineACHATES POWER INC·Filed 2024·Granted Apr 29, 2025·0 cites·20 claims
- 0785US10619550B2Main bearing cap stud configuration and assembly methodCUMMINS INC·Filed 2018·Granted Apr 14, 2020·1 cites·9 claims
- 0885US6116198AReplaceable cylinder liner with improved coolingCUMMINS ENGINE CO INC·Filed 1997·Granted Sep 12, 2000·34 cites·43 claims
- 0983US11326569B2Fuel injector mounting assembly for an opposed-piston engineACHATES POWER INC·Filed 2019·Granted May 10, 2022·1 cites·20 claims
- 1083US10494981B2Combustion pre-chamber device for an internal combustion engineCUMMINS INC·Filed 2019·Granted Dec 3, 2019·2 cites·20 claims
- 1177US11725605B2Cylinder head bolt boss cutoutsCUMMINS INC·Filed 2022·Granted Aug 15, 2023·0 cites·20 claims
- 1272US6328001B1Replaceable cylinder liner with improved coolingCUMMINS ENGINE CO INC·Filed 2000·Granted Dec 11, 2001·26 cites·25 claims
- 1371US2021239071A1Parent bore cylinder block of an opposed-piston engineACHATES POWER INC·Filed 2021·Application pending·0 cites
- 1471US2021239070A1Parent bore cylinder block of an opposed-piston engineACHATES POWER INC·Filed 2021·Application pending·0 cites
- 1567US11441512B2Engine cooling system including cooled exhaust seatsCUMMINS INC·Filed 2021·Granted Sep 13, 2022·0 cites·20 claims
- 1662US2021332774A1Cylinder head bolt boss cutoutsCUMMINS INC·Filed 2017·Application pending·0 cites
- 1761US11008973B2Engine cooling system including cooled exhaust seatsCUMMINS INC·Filed 2018·Granted May 18, 2021·0 cites·18 claims
- 1849US9556778B2Waste heat recovery system including a clutched feedpumpCUMMINS INC·Filed 2013·Granted Jan 31, 2017·0 cites·17 claims
- 1939US2009241683A1Mass air flow sensor adaptorCUMMINS INC·Filed 2008·Application pending·0 cites
- 2038US5806499ADedicated overhead cam shaft for unit injectorCUMMINS ENGINE CO INC·Filed 1997·Granted Sep 15, 1998·6 cites·18 claims
- 2137US5975060ADedicated overhead cam shaft for unit injectorCUMMINS ENGINE CO INC·Filed 1998·Granted Nov 2, 1999·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →