Inventor · disambiguated record
Stephen Michael Bortoli
Also filed as: BORTOLI STEPHEN · BORTOLI STEPHEN M · BORTOLI STEPHEN MICHAEL
41 granted patents·3 pending applications·90 citations·filing 2010–2022
96Inventor score
Top patents by PatentIndex Score
44 records- 0197US9970526B1Ram air turbine lip seal sealing surface sleeve capHAMILTON SUNDSTRAND CORP·Filed 2015·Granted May 15, 2018·18 cites·16 claims
- 0289US9527600B2Ram air turbine generator assembliesHAMILTON SUNDSTRAND CORP·Filed 2014·Granted Dec 27, 2016·9 cites·15 claims
- 0389US8622697B2Ram air turbine bearing spacerBORTOLI STEPHEN MICHAEL·Filed 2010·Granted Jan 7, 2014·16 cites·18 claims
- 0488US10900374B1Transmission shift control method for reduced torque transientsHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jan 26, 2021·3 cites·19 claims
- 0587US11226014B2Hydraulic clutch assembliesHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jan 18, 2022·3 cites·16 claims
- 0686US10077118B2Integral rat generator cooling holesHAMILTON SUNDSTRAND CORP·Filed 2016·Granted Sep 18, 2018·3 cites·18 claims
- 0784US10833547B2Liquid cooled pole wedgeHAMILTON SUNDSTRAND CORP·Filed 2018·Granted Nov 10, 2020·2 cites·16 claims
- 0882US11226008B2System and method for axially retaining two coaxial shaft componentsHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jan 18, 2022·3 cites·14 claims
- 0981US9988159B2Ram air turbine strut with integral gearbox and drive sectionsHAMILTON SUNDSTRAND CORP·Filed 2014·Granted Jun 5, 2018·7 cites·15 claims
- 1080US11858650B2Manually actuated hydraulic circuit for ram air turbine (RAT) restowHAMILTON SUNDSTRAND CORP·Filed 2020·Granted Jan 2, 2024·2 cites·6 claims
- 1178US11226026B2Multispeed transmissionHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jan 18, 2022·2 cites·14 claims
- 1278US10829240B2Cross rod for toggle mechanism of ram air turbine actuatorHAMILTON SUNDSTRAND CORP·Filed 2016·Granted Nov 10, 2020·2 cites·14 claims
- 1378US9821919B2Ejection jack having a toggle assemblyHAMILTON SUNDSTRAND CORP·Filed 2016·Granted Nov 21, 2017·3 cites·13 claims
- 1477US9976579B2Ram air turbine actuator systemHAMILTON SUNDSTRAND CORP·Filed 2016·Granted May 22, 2018·3 cites·16 claims
- 1576US10550867B2Ram air turbine structures for temperature dependent dampingHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Feb 4, 2020·2 cites·15 claims
- 1674US10823151B2Ram air turbine single-unit nose massHAMILTON SUNDSTRAND CORP·Filed 2018·Granted Nov 3, 2020·1 cites·17 claims
- 1773US11014688B2Ram air turbine actuators having dampingHAMILTON SUNDSTRAND CORP·Filed 2019·Granted May 25, 2021·1 cites·16 claims
- 1872US10914377B2Coupled planetary gearboxHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Feb 9, 2021·1 cites·20 claims
- 1971US11984767B2Liquid cooled pole wedgeHAMILTON SUNDSTRAND CORP·Filed 2020·Granted May 14, 2024·0 cites·10 claims
- 2070US11028905B2Coupled planetary gearboxHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jun 8, 2021·1 cites·8 claims
- 2164US9828945B2Ram air turbine driveshaft gear and bearing arrangementHAMILTON SUNDSTRAND CORP·Filed 2014·Granted Nov 28, 2017·2 cites·15 claims
- 2262US9188105B2Strut driveshaft for ram air turbineBORTOLI STEPHEN MICHAEL·Filed 2011·Granted Nov 17, 2015·4 cites·21 claims
- 2361US11794876B1Ram air turbine including damping element to vary natural frequencyHAMILTON SUNDSTRAND CORP·Filed 2022·Granted Oct 24, 2023·0 cites·15 claims
- 2461US11572193B2Ejection jack having a toggle assemblyHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Feb 7, 2023·0 cites·5 claims
- 2560US10954864B2Transmission for low spool of gas turbine engineHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Mar 23, 2021·0 cites·18 claims
- 2659US11255273B2Turbomachine dual spool transmission systemsHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Feb 22, 2022·0 cites·15 claims
- 2759US11105377B2Retaining ring assembliesHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Aug 31, 2021·0 cites·17 claims
- 2859US9726149B2Spiral bevel gear set for ram air turbineBORTOLI STEPHEN MICHAEL·Filed 2011·Granted Aug 8, 2017·1 cites·14 claims
- 2958US11022099B2Ram air turbine shaft whirl damperHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jun 1, 2021·0 cites·16 claims
- 3057US11603211B2Ram air turbine rolling element bearing supported turbine release for load reductionHAMILTON SUNDSTRAND CORP·Filed 2020·Granted Mar 14, 2023·0 cites·15 claims
- 3155US11834998B2Transmission systems having clutch at output sideHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Dec 5, 2023·0 cites·19 claims
- 3255US11713720B2Turbomachine dual spool transmission systemsHAMILTON SUNDSTRAND CORP·Filed 2021·Granted Aug 1, 2023·0 cites·18 claims
- 3354US10961917B2Turbomachine dual spool transmission systemsHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Mar 30, 2021·0 cites·15 claims
- 3454US10099772B2Ice-shedding spinner for ram air turbineHAMILTON SUNDSTRAND CORP·Filed 2014·Granted Oct 16, 2018·1 cites·9 claims
- 3553US10811936B2Generator systemsHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Oct 20, 2020·0 cites·16 claims
- 3653US10508558B2Ram air turbine bladesHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Dec 17, 2019·0 cites·14 claims
- 3752US11215238B2Wet clutch assembliesHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jan 4, 2022·0 cites·8 claims
- 3852US10077117B2Ram air turbine gearbox sealingHAMILTON SUNDSTRAND CORP·Filed 2014·Granted Sep 18, 2018·0 cites·13 claims
- 3951US11118514B2Turbomachine dual spool transmission systemsHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Sep 14, 2021·0 cites·6 claims
- 4047US11384850B2Hydraulic control valves for ram air turbine stow actuatorsHAMILTON SUNDSTRAND CORP·Filed 2020·Granted Jul 12, 2022·0 cites·20 claims
- 4146US2020332841A1Clutch systems for transmissionsHAMILTON SUNDSTRAND CORP·Filed 2019·Application pending·0 cites
- 4245US10385784B2Clevis link for toggle mechanism of ram air turbine actuatorHAMILTON SUNDSTRAND CORP·Filed 2016·Granted Aug 20, 2019·0 cites·18 claims
- 4338US2012011953A1Ball bearing for ram air turbine gearboxBORTOLI STEPHEN MICHAEL·Filed 2010·Application pending·0 cites
- 4434US2012269616A1Turbine driveshaft for ram air turbineBORTOLI STEPHEN MICHAEL·Filed 2011·Application pending·0 cites
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