Inventor
BORTOLI STEPHEN MICHAEL
US35 patents
⚠️ This page may combine multiple inventors who share the name “BORTOLI STEPHEN MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMILTON SUNDSTRAND CORP
32 patentsUS9970526B1May 15, 2018
Ram air turbine lip seal sealing surface sleeve cap
HAMILTON SUNDSTRAND CORP18 citations84
US11226026B2Jan 18, 2022
Multispeed transmission
HAMILTON SUNDSTRAND CORP2 citations73
US10077118B2Sep 18, 2018
Integral rat generator cooling holes
HAMILTON SUNDSTRAND CORP3 citations73
US11226014B2Jan 18, 2022
Hydraulic clutch assemblies
HAMILTON SUNDSTRAND CORP3 citations72
US11226008B2Jan 18, 2022
System and method for axially retaining two coaxial shaft components
HAMILTON SUNDSTRAND CORP3 citations72
US10900374B1Jan 26, 2021
Transmission shift control method for reduced torque transients
HAMILTON SUNDSTRAND CORP3 citations72
US9976579B2May 22, 2018
Ram air turbine actuator system
HAMILTON SUNDSTRAND CORP3 citations72
US9821919B2Nov 21, 2017
Ejection jack having a toggle assembly
HAMILTON SUNDSTRAND CORP3 citations72
US10833547B2Nov 10, 2020
Liquid cooled pole wedge
HAMILTON SUNDSTRAND CORP2 citations71
US10550867B2Feb 4, 2020
Ram air turbine structures for temperature dependent damping
HAMILTON SUNDSTRAND CORP2 citations71
US11858650B2Jan 2, 2024
Manually actuated hydraulic circuit for ram air turbine (RAT) restow
HAMILTON SUNDSTRAND CORP2 citations69
US10829240B2Nov 10, 2020
Cross rod for toggle mechanism of ram air turbine actuator
HAMILTON SUNDSTRAND CORP2 citations68
US11713720B2Aug 1, 2023
Turbomachine dual spool transmission systems
HAMILTON SUNDSTRAND CORP0 citations62
US11572193B2Feb 7, 2023
Ejection jack having a toggle assembly
HAMILTON SUNDSTRAND CORP0 citations62
US11255273B2Feb 22, 2022
Turbomachine dual spool transmission systems
HAMILTON SUNDSTRAND CORP0 citations62
US11105377B2Aug 31, 2021
Retaining ring assemblies
HAMILTON SUNDSTRAND CORP0 citations62
US11028905B2Jun 8, 2021
Coupled planetary gearbox
HAMILTON SUNDSTRAND CORP1 citations62
US10954864B2Mar 23, 2021
Transmission for low spool of gas turbine engine
HAMILTON SUNDSTRAND CORP0 citations62
US10914377B2Feb 9, 2021
Coupled planetary gearbox
HAMILTON SUNDSTRAND CORP1 citations62
US11984767B2May 14, 2024
Liquid cooled pole wedge
HAMILTON SUNDSTRAND CORP0 citations61
US11022099B2Jun 1, 2021
Ram air turbine shaft whirl damper
HAMILTON SUNDSTRAND CORP0 citations61
US11014688B2May 25, 2021
Ram air turbine actuators having damping
HAMILTON SUNDSTRAND CORP1 citations61
US10823151B2Nov 3, 2020
Ram air turbine single-unit nose mass
HAMILTON SUNDSTRAND CORP1 citations61
US11603211B2Mar 14, 2023
Ram air turbine rolling element bearing supported turbine release for load reduction
HAMILTON SUNDSTRAND CORP0 citations59
US11834998B2Dec 5, 2023
Transmission systems having clutch at output side
HAMILTON SUNDSTRAND CORP0 citations51
US11215238B2Jan 4, 2022
Wet clutch assemblies
HAMILTON SUNDSTRAND CORP0 citations51
US11118514B2Sep 14, 2021
Turbomachine dual spool transmission systems
HAMILTON SUNDSTRAND CORP0 citations51
US10961917B2Mar 30, 2021
Turbomachine dual spool transmission systems
HAMILTON SUNDSTRAND CORP0 citations51
US11384850B2Jul 12, 2022
Hydraulic control valves for ram air turbine stow actuators
HAMILTON SUNDSTRAND CORP0 citations48
US10099772B2Oct 16, 2018
Ice-shedding spinner for ram air turbine
HAMILTON SUNDSTRAND CORP1 citations46
US10811936B2Oct 20, 2020
Generator systems
HAMILTON SUNDSTRAND CORP0 citations41
US10385784B2Aug 20, 2019
Clevis link for toggle mechanism of ram air turbine actuator
HAMILTON SUNDSTRAND CORP0 citations37