Ernst C. Schellhase
12Patents
8h-index
25Co-inventors
72Inventor score
Filing activity: Nov 4, 1985 → May 1, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5031858A | Apparatus and method for folding and locking rotor blades | Performing Operations; Transporting | 59 | Expired |
| US6227492A | Redundant ice management system for aircraft | Performing Operations; Transporting | 47 | Expired |
| US4729753A | Constant velocity elastomeric bearing joint | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6296444A | Prop rotor hub | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5074753A | Rotor blade | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6220803A | Self-locking and self-retained structural fastener | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8181755B2 | Dual spring rate damper | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4734081A | Constant velocity elastomeric bearing joint | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7828525B2 | Soft in-plane tiltrotor hub | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5215502A | Constant velocity elastomeric joint | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8857581B2 | Dual spring rate damper | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6921249B1 | Main rotor shear restraint | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.