Inventor · disambiguated record
Lawrence E. Portlock
Also filed as: PORTLOCK LAWRENCE · PORTLOCK LAWRENCE E
52 granted patents·5 pending applications·616 citations·filing 2004–2024
99Inventor score
Files withUNITED TECHNOLOGIES CORP23MCCUNE MICHAEL E14RAYTHEON TECH CORP7PORTLOCK LAWRENCE E3RTX CORP3
Top patents by PatentIndex Score
57 records- 0199US10082105B2Gas turbine engine with geared architectureUNITED TECHNOLOGIES CORP·Filed 2018·Granted Sep 25, 2018·19 cites·30 claims
- 0299US8931285B2Planetary gear system arrangement with auxiliary oil systemUNITED TECHNOLOGIES CORP·Filed 2014·Granted Jan 13, 2015·25 cites·22 claims
- 0399US8484942B1Planetary gear system arrangement with auxiliary oil systemMCCUNE MICHAEL E·Filed 2012·Granted Jul 16, 2013·68 cites·10 claims
- 0498US11221066B2Ring gear mounting arrangement with oil scavenge schemeRAYTHEON TECH CORP·Filed 2020·Granted Jan 11, 2022·6 cites·30 claims
- 0598US9976437B2Epicyclic gear trainUNITED TECHNOLOGIES CORP·Filed 2015·Granted May 22, 2018·13 cites·12 claims
- 0698US8020665B2Lubrication system with extended emergency operabilityUNITED TECHNOLOGIES CORP·Filed 2006·Granted Sep 20, 2011·70 cites·16 claims
- 0797US10570855B2Gas turbine engine with geared architectureUNITED TECHNOLOGIES CORP·Filed 2018·Granted Feb 25, 2020·7 cites·29 claims
- 0897US10527151B1Gas turbine engine with geared architectureUNITED TECHNOLOGIES CORP·Filed 2018·Granted Jan 7, 2020·8 cites·29 claims
- 0997US8894538B2Gas turbine engine with geared architectureMCCUNE MICHAEL E·Filed 2012·Granted Nov 25, 2014·25 cites·12 claims
- 1096US11680492B2Epicyclic gear trainRAYTHEON TECH CORP·Filed 2022·Granted Jun 20, 2023·2 cites·31 claims
- 1195US10907579B2Gas turbine engine with geared architectureRAYTHEON TECH CORP·Filed 2020·Granted Feb 2, 2021·3 cites·30 claims
- 1295US8858388B2Gas turbine engine gear trainMCCUNE MICHAEL E·Filed 2011·Granted Oct 14, 2014·16 cites·27 claims
- 1395US8491436B2Uninterruptible oil supply in planetary systemDUONG LOC QUANG·Filed 2012·Granted Jul 23, 2013·17 cites·14 claims
- 1495US8267826B2Uninterruptible oil supply in planetary systemDUONG LOC QUANG·Filed 2005·Granted Sep 18, 2012·28 cites·9 claims
- 1595US8215454B2Lubrication system with tolerance for reduced gravityPORTLOCK LAWRENCE E·Filed 2006·Granted Jul 10, 2012·48 cites·18 claims
- 1694US10890245B2Epicyclic gear trainUNITED TECHNOLOGIES CORP·Filed 2020·Granted Jan 12, 2021·4 cites·30 claims
- 1794US8939864B2Gas turbine engine lubricationMCCUNE MICHAEL E·Filed 2011·Granted Jan 27, 2015·18 cites·12 claims
- 1894US8753243B2Ring gear mounting arrangement with oil scavenge schemeMCCUNE MICHAEL E·Filed 2006·Granted Jun 17, 2014·15 cites·23 claims
- 1994US8511435B2Lubrication system with extended emergency operabilitySHERIDAN WILLIAM G·Filed 2011·Granted Aug 20, 2013·8 cites·21 claims
- 2093US9115650B2Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2014·Granted Aug 25, 2015·7 cites·25 claims
- 2192US10591047B2Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2018·Granted Mar 17, 2020·2 cites·29 claims
- 2292US8708863B2Epicyclic gear trainMCCUNE MICHAEL E·Filed 2011·Granted Apr 29, 2014·12 cites·28 claims
- 2391US8517148B2Lubrication system with tolerance for reduced gravityPORTLOCK LAWRENCE E·Filed 2011·Granted Aug 27, 2013·11 cites·7 claims
- 2491US7959532B2Hydraulic seal for a gearbox of a tip turbine engineUNITED TECHNOLOGIES CORP·Filed 2004·Granted Jun 14, 2011·52 cites·7 claims
- 2590US9677420B2Planetary gear system arrangement with auxiliary oil systemUNITED TECHNOLOGIES CORP·Filed 2014·Granted Jun 13, 2017·7 cites·8 claims
- 2689US9995174B2Planetary gear system arrangement with auxiliary oil systemMCCUNE MICHAEL E·Filed 2012·Granted Jun 12, 2018·7 cites·18 claims
- 2789US8083030B2Gearbox lubrication supply system for a tip enginePORTLOCK LAWRENCE E·Filed 2004·Granted Dec 27, 2011·32 cites·23 claims
- 2888US12428975B2Planetary gear system arrangement with auxiliary oil systemRTX CORP·Filed 2023·Granted Sep 30, 2025·0 cites·27 claims
- 2988US12385409B2Epicyclic gear trainRTX CORP·Filed 2024·Granted Aug 12, 2025·0 cites·20 claims
- 3087US11885252B2Planetary gear system arrangement with auxiliary oil systemRTX CORP·Filed 2018·Granted Jan 30, 2024·2 cites·24 claims
- 3186US10648383B2Planetary gear system arrangement with auxiliary oil systemUNITED TECHNOLOGIES CORP·Filed 2017·Granted May 12, 2020·3 cites·6 claims
- 3286US9951860B2Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2017·Granted Apr 24, 2018·1 cites·30 claims
- 3385US10830334B2Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2020·Granted Nov 10, 2020·1 cites·30 claims
- 3485US8740740B2Ring gear mounting arrangement with oil scavenge schemeMCCUNE MICHAEL E·Filed 2012·Granted Jun 3, 2014·3 cites·8 claims
- 3584US10125858B2Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2018·Granted Nov 13, 2018·1 cites·29 claims
- 3683US12084978B2Epicyclic gear trainRAYTHEON TECH CORP·Filed 2023·Granted Sep 10, 2024·0 cites·7 claims
- 3783US10107231B2Gas turbine engine with geared architectureUNITED TECHNOLOGIES CORP·Filed 2015·Granted Oct 23, 2018·2 cites·29 claims
- 3883US8968141B2Uninterruptible oil supply in planetary systemUNITED TECHNOLOGIES CORP·Filed 2013·Granted Mar 3, 2015·4 cites·14 claims
- 3983US8292570B2Low pressure turbine with counter-rotating drives for single spoolSUCIU GABRIEL L·Filed 2008·Granted Oct 23, 2012·19 cites·7 claims
- 4079US11499624B2Ring gear mounting arrangement with oil scavenge schemeRAYTHEON TECH CORP·Filed 2021·Granted Nov 15, 2022·0 cites·30 claims
- 4179US9657572B2Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2014·Granted May 23, 2017·2 cites·7 claims
- 4273US8764604B2Ring gear mounting arrangement with oil scavenge schemeMCCUNE MICHAEL E·Filed 2012·Granted Jul 1, 2014·1 cites·16 claims
- 4372US11378039B2Ring gear mounting arrangement with oil scavenge schemeRAYTHEON TECH CORP·Filed 2020·Granted Jul 5, 2022·0 cites·30 claims
- 4471US11319831B2Epicyclic gear trainRAYTHEON TECH CORP·Filed 2021·Granted May 3, 2022·0 cites·27 claims
- 4570US11815001B2Planetary gear system arrangement with auxiliary oil systemRAYTHEONTECHNOLOGIES CORP·Filed 2020·Granted Nov 14, 2023·0 cites·19 claims
- 4667US2017089448A1Ring gear mounting arrangement with oil scavenge schemeUNITED TECHNOLOGIES CORP·Filed 2016·Application pending·0 cites
- 4766US8561383B2Turbine engine with differential gear driven fan and compressorSUCIU GABRIEL L·Filed 2004·Granted Oct 22, 2013·22 cites·13 claims
- 4860US10196989B2Gas turbine engine gear trainUNITED TECHNOLOGIES CORP·Filed 2017·Granted Feb 5, 2019·0 cites·20 claims
- 4958US10577965B2Epicyclic gear trainUNITED TECHNOLOGIES CORP·Filed 2018·Granted Mar 3, 2020·0 cites·24 claims
- 5058US8795122B2Tapered bearingsMCCUNE MICHAEL E·Filed 2012·Granted Aug 5, 2014·0 cites·20 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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