Inventor
SCHAEFER JOYEL M
US27 patents
⚠️ This page may combine multiple inventors who share the name “SCHAEFER JOYEL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMILTON SUNDSTRAND CORP
15 patentsUS11486439B2Nov 1, 2022
Drive shaft with non-cylindrical shape
HAMILTON SUNDSTRAND CORP2 citations73
US11396904B2Jul 26, 2022
Composite drive shafts
HAMILTON SUNDSTRAND CORP2 citations73
US11371549B2Jun 28, 2022
Fastener joints with enhanced strength for composite components
HAMILTON SUNDSTRAND CORP3 citations73
US11859665B2Jan 2, 2024
Drive shafts made of composite materials and methods of making such shafts
HAMILTON SUNDSTRAND CORP2 citations71
US11448566B2Sep 20, 2022
Apparatus and method for testing drive shaft joints
HAMILTON SUNDSTRAND CORP2 citations71
US12320387B2Jun 3, 2025
Drive shaft with non-cylindrical shape
HAMILTON SUNDSTRAND CORP0 citations62
US12253107B2Mar 18, 2025
Drive shafts with enhanced bending flexibility
HAMILTON SUNDSTRAND CORP0 citations62
US12152633B2Nov 26, 2024
Composite drive shafts
HAMILTON SUNDSTRAND CORP0 citations62
US11795993B2Oct 24, 2023
Buckling resistant composite shaft and method of making a buckling resistant composite shaft
HAMILTON SUNDSTRAND CORP0 citations62
US11649849B2May 16, 2023
Buckling-resistant thin-wall drive shafts
HAMILTON SUNDSTRAND CORP1 citations62
US11480528B2Oct 25, 2022
And inspection method of aircraft drive shafts
HAMILTON SUNDSTRAND CORP0 citations62
US11890852B2Feb 6, 2024
Composite structures with damage detection capability
HAMILTON SUNDSTRAND CORP1 citations61
US12179913B2Dec 31, 2024
Ballistic resistant drive shaft
HAMILTON SUNDSTRAND CORP1 citations59
US11773896B2Oct 3, 2023
Composite drive shaft under dominant unidirectional torque
HAMILTON SUNDSTRAND CORP0 citations52
US11407165B2Aug 9, 2022
Methods of making components
HAMILTON SUNDSTRAND CORP0 citations52
GOODRICH CORP
12 patentsUS12123458B2Oct 22, 2024
Drive shafts
GOODRICH CORP2 citations73
US11260605B2Mar 1, 2022
Flexible thermoplastic composite coupling and method of manufacture
GOODRICH CORP4 citations71
US11273610B2Mar 15, 2022
Manufacturing methods for composite driveshafts
GOODRICH CORP4 citations68
US11692585B2Jul 4, 2023
Composite shaft with outer periphery ring
GOODRICH CORP0 citations62
US12220881B2Feb 11, 2025
Flexible thermoplastic driveshaft
GOODRICH CORP0 citations61
US12577977B2Mar 17, 2026
Integrated composite drive shafts
GOODRICH CORP0 citations52
US12258122B2Mar 25, 2025
Drive shaft with ballistic tolerance
GOODRICH CORP0 citations52
US12257787B2Mar 25, 2025
Composite structures
GOODRICH CORP0 citations52
US12247614B2Mar 11, 2025
Hybrid composite drive shaft and a method of making
GOODRICH CORP0 citations52
US12209620B2Jan 28, 2025
Flexible coupling for joining metallic and composite drive shafts
GOODRICH CORP0 citations52
US12162228B2Dec 10, 2024
Composite structures
GOODRICH CORP0 citations52
US12571431B2Mar 10, 2026
Flexible metallic couplings for drive shafts
GOODRICH CORP0 citations50