Cecil E. Covington
16Patents
13h-index
37Co-inventors
78Inventor score
Filing activity: May 13, 1974 → Apr 19, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4427340A | Soft inplane bearingless helicopter rotor | Performing Operations; Transporting | 66 | Expired |
| US5868351A | Rotor blade stowing system | Performing Operations; Transporting | 61 | Expired |
| US5031858A | Apparatus and method for folding and locking rotor blades | Performing Operations; Transporting | 59 | Expired |
| US4257739A | Soft inplane helicopter rotor | Performing Operations; Transporting | 55 | Expired |
| US5647726A | Rotor system vibration absorber | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6616095B2 | Coupled aircraft rotor system | Performing Operations; Transporting | 33 | Expired |
| US4252504A | Helicopter blade folding system | Performing Operations; Transporting | 31 | Expired |
| US5358381A | Yoke for helicopter rotor systems | Performing Operations; Transporting | 26 | Expired |
| US3942910A | Grip-yoke assembly with a redundant centrifugal load support | Performing Operations; Transporting | 20 | Expired |
| US4120610A | Helicopter blade structure | Performing Operations; Transporting | 20 | Expired |
| US6764280B2 | Multi-bladed tail rotor hub design for coriolis relief | Performing Operations; Transporting | 19 | Expired |
| US4083656A | Composite rotor blade | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5074753A | Rotor blade | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4306837A | Bearingless tail rotor for helicopters | Performing Operations; Transporting | 13 | Expired |
| US7153094B2 | Rotor system vibration absorber | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4299540A | Tail rotor blade | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.