Ryan T. Ehinger
23Patents
4h-index
22Co-inventors
59Inventor score
Filing activity: Nov 14, 2006 → Sep 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8133155B2 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Performing Operations; Transporting | 11 | Active |
| US8985517B2 | Passive cooling of transmission using mast mounted heat pipes | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8141812B2 | Multiple drive-path transmission with torque-splitting differential mechanism | Emerging Cross-Sectional Technologies | 4 | Active |
| US11104430B2 | Multimode powertrains for multi engine rotorcraft | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9841333B2 | Method and system for measuring torque in a tiltrotor aircraft | Performing Operations; Transporting | 4 | Active |
| US10946954B2 | Variable-speed drive system for tiltrotor with fixed engine and rotating proprotor | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10190672B2 | Gearbox lubrication system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8863924B2 | Hybrid overrunning clutch assembly and method of making same | Emerging Cross-Sectional Technologies | 2 | Active |
| US8356768B2 | Multiple drive-path transmission with torque-splitting differential mechanism | Emerging Cross-Sectional Technologies | 2 | Active |
| US8454475B2 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Performing Operations; Transporting | 2 | Active |
| US10443706B2 | Gearbox lubrication system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10371212B2 | Bearing liner for accommodating thermal expansion and transmission system incorporating the same | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10377473B2 | Disconnecting a rotor | Performing Operations; Transporting | 1 | Active |
| US10378978B2 | Method and system for measuring torque in a tiltrotor aircraft | Performing Operations; Transporting | 1 | Active |
| US10526081B2 | Gear shaft for accommodating thermal expansion and transmission system incorporating the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8500597B2 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Performing Operations; Transporting | 0 | Active |
| US9879824B2 | Debris detector for non-ferrous bearings | Physics | 0 | Active |
| US9541468B2 | System and method for improving a workpiece | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11009080B2 | Drive link | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8449432B2 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Performing Operations; Transporting | 0 | Active |
| US9068908B2 | System and method for improving a workpiece | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10969001B2 | Planet gear having failure mode optimized for continued planetary gear system operation | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9316573B2 | Non-metallic debris monitoring system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.