Inventor · disambiguated record
Ashwin A. Hattiangadi
Also filed as: HATTIANGADI ASHWIN · HATTIANGADI ASHWIN A · HATTIANGADI ASHWIN ASHOK
26 granted patents·3 pending applications·159 citations·filing 2006–2021
94Inventor score
Top patents by PatentIndex Score
29 records- 0197US10934899B2Valve seat insert for engine having double-crowned seating surface profiled for limiting valve recessionCATERPILLAR INC·Filed 2018·Granted Mar 2, 2021·30 cites·19 claims
- 0297US10731523B2Valve seat insert for internal combustion engine profiled to resist valve recessionCATERPILLAR INC·Filed 2018·Granted Aug 4, 2020·30 cites·20 claims
- 0396US10767520B1Valve seat insert for long life natural gas lean burn enginesCATERPILLAR INC·Filed 2019·Granted Sep 8, 2020·33 cites·20 claims
- 0493US11125123B1Valve seat insert with soft landing insert design with contoured radiiCATERPILLAR INC·Filed 2020·Granted Sep 21, 2021·3 cites·18 claims
- 0593US10989321B2Double-crowned valve seat insert having seating surface formed of hard-facing materialCATERPILLAR INC·Filed 2019·Granted Apr 27, 2021·29 cites·19 claims
- 0687US8695551B2Hydraulic lash adjuster including band of radial recirculation openingsLANGEWISCH EDWIN HENRY·Filed 2011·Granted Apr 15, 2014·7 cites·11 claims
- 0786US9556754B2Translating roller lifter design for diesel enginesCATERPILLAR INC·Filed 2014·Granted Jan 31, 2017·6 cites·19 claims
- 0885US11008901B1Rocker arm assembly with air ventingCATERPILLAR INC·Filed 2019·Granted May 18, 2021·2 cites·7 claims
- 0983US8826874B2Anti-rotation roller valve lifterHATTIANGADI ASHWIN A·Filed 2011·Granted Sep 9, 2014·10 cites·10 claims
- 1081US10934902B1Valve seat insert for high power density and marine enginesCATERPILLAR INC·Filed 2019·Granted Mar 2, 2021·3 cites·20 claims
- 1178US10711655B1Rocker arm assembly having a hydraulic lash adjusterCATERPILLAR INC·Filed 2019·Granted Jul 14, 2020·1 cites·20 claims
- 1275US11242774B2Rocker assembly with a hydraulic lash adjusterCATERPILLAR INC·Filed 2019·Granted Feb 8, 2022·1 cites·17 claims
- 1375US10132206B1Common rocker arm for hydraulic lash adjuster and non-hydraulic lash adjusterCATERPILLAR INC·Filed 2017·Granted Nov 20, 2018·1 cites·20 claims
- 1474US11480075B2Valve seat insert with soft landing insert design with contoured radiiCATERPILLAR INC·Filed 2021·Granted Oct 25, 2022·0 cites·20 claims
- 1574US11473457B2Valve seat insert with soft landing insert design with contoured radiiCATERPILLAR INC·Filed 2021·Granted Oct 18, 2022·0 cites·20 claims
- 1670US10006317B2Valve actuation systemCATERPILLAR INC·Filed 2015·Granted Jun 26, 2018·1 cites·20 claims
- 1768US11060425B2Valve seat insert for engine head having venturi flow crowns and seating surface profiled for limiting valve recessionCATERPILLAR INC·Filed 2019·Granted Jul 13, 2021·2 cites·19 claims
- 1867US11125122B1Valve seat insert with soft landing insert design with contoured radiiCATERPILLAR INC·Filed 2020·Granted Sep 21, 2021·0 cites·17 claims
- 1964US10934901B1Valve seat insert for high power density and high speed diesel enginesCATERPILLAR INC·Filed 2019·Granted Mar 2, 2021·0 cites·20 claims
- 2054US11028772B1Method and system for estimating damage in an internal combustion engineCATERPILLAR INC·Filed 2020·Granted Jun 8, 2021·0 cites·20 claims
- 2154US10844758B2Engine and gas exchange valve with under-head fillet contoured for chordal stress mitigationCATERPILLAR INC·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 2254US2008299306A1Multi-layer substrate and method of fabricationCATERPILLAR INC·Filed 2007·Application pending·0 cites
- 2353US9523291B2Valve actuation system having rocker-located hydraulic reservoirCATERPILLAR INC·Filed 2015·Granted Dec 20, 2016·0 cites·18 claims
- 2452US11002160B2Lifter providing improved cam lobe lubricationCATERPILLAR INC·Filed 2019·Granted May 11, 2021·0 cites·18 claims
- 2544US7686895B2Method of improving mechanical properties of gray ironCATERPILLAR INC·Filed 2007·Granted Mar 30, 2010·0 cites·12 claims
- 2642US10082052B2Hydraulic lash adjusterCATERPILLAR INC·Filed 2017·Granted Sep 25, 2018·0 cites·20 claims
- 2740US2008102291A1Method for coating a substrateCATERPILLAR INC·Filed 2006·Application pending·0 cites
- 2833US2016215657A1Groove-Less Piston and Tapered Press Fit Hydraulic Lash AdjusterCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 2928US11608760B2Stem seal for valve assembly of machine engineCATERPILLAR INC·Filed 2020·Granted Mar 21, 2023·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Ashwin A. Hattiangadi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →