Inventor
COVINGTON CECIL E
14 patents
⚠️ This page may combine multiple inventors who share the name “COVINGTON CECIL E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL HELICOPTER TEXTRON INC
7 patentsUS6616095B2Sep 9, 2003
Coupled aircraft rotor system
BELL HELICOPTER TEXTRON INC56 citations94
US5868351AFeb 9, 1999
Rotor blade stowing system
BELL HELICOPTER TEXTRON INC90 citations94
US5647726AJul 15, 1997
Rotor system vibration absorber
BELL HELICOPTER TEXTRON INC69 citations94
US4427340AJan 24, 1984
Soft inplane bearingless helicopter rotor
BELL HELICOPTER TEXTRON INC99 citations94
US5074753ADec 24, 1991
Rotor blade
BELL HELICOPTER TEXTRON INC24 citations91
US5031858AJul 16, 1991
Apparatus and method for folding and locking rotor blades
BELL HELICOPTER TEXTRON INC77 citations91
US5358381AOct 25, 1994
Yoke for helicopter rotor systems
BELL HELICOPTER TEXTRON INC45 citations89
TEXTRON INC
7 patentsUS4257739AMar 24, 1981
Soft inplane helicopter rotor
TEXTRON INC77 citations93
US4252504AFeb 24, 1981
Helicopter blade folding system
TEXTRON INC53 citations92
US4120610AOct 17, 1978
Helicopter blade structure
TEXTRON INC35 citations90
US4083656AApr 11, 1978
Composite rotor blade
TEXTRON INC38 citations88
US3942910AMar 9, 1976
Grip-yoke assembly with a redundant centrifugal load support
TEXTRON INC29 citations82
US4306837ADec 22, 1981
Bearingless tail rotor for helicopters
TEXTRON INC18 citations67
US4299540ANov 10, 1981
Tail rotor blade
TEXTRON INC2 citations58