Inventor
VIOLETTE JOHN A
US21 patents
⚠️ This page may combine multiple inventors who share the name “VIOLETTE JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
17 patentsUS5222297AJun 29, 1993
Composite blade manufacture
UNITED TECHNOLOGIES CORP192 citations97
US5129787AJul 14, 1992
Lightweight propulsor blade with internal spars and rigid base members
UNITED TECHNOLOGIES CORP149 citations96
US6305905B1Oct 23, 2001
Bolted-on propeller blade
UNITED TECHNOLOGIES CORP66 citations95
US5269658ADec 14, 1993
Composite blade with partial length spar
UNITED TECHNOLOGIES CORP83 citations94
US5127802AJul 7, 1992
Reinforced full-spar composite rotor blade
UNITED TECHNOLOGIES CORP111 citations94
US6015264AJan 18, 2000
Preloaded retention assembly for aircraft propeller blade retention
UNITED TECHNOLOGIES CORP67 citations93
US5022824AJun 11, 1991
Pinned airfoil propeller blade
UNITED TECHNOLOGIES CORP55 citations93
US6213719B1Apr 10, 2001
Bar wedge preload apparatus for a propeller blade
UNITED TECHNOLOGIES CORP67 citations92
US5022825AJun 11, 1991
Pitch retention member
UNITED TECHNOLOGIES CORP23 citations92
US4021142AMay 3, 1977
Pitch-change apparatus for a ducted thrust fan
UNITED TECHNOLOGIES CORP33 citations92
US5118256AJun 2, 1992
Blade retention apparatus with elastomeric preload
UNITED TECHNOLOGIES CORP68 citations91
US5102300AApr 7, 1992
Pinned airfoil propeller assembly
UNITED TECHNOLOGIES CORP27 citations90
US5252165AOct 12, 1993
Method of making contoured fiber reinforced body
UNITED TECHNOLOGIES CORP24 citations89
US5163817ANov 17, 1992
Rotor blade retention
UNITED TECHNOLOGIES CORP43 citations89
US5017092AMay 21, 1991
Rotor blade retention
UNITED TECHNOLOGIES CORP31 citations89
US4730985AMar 15, 1988
Prop-fan with improved stability
UNITED TECHNOLOGIES CORP24 citations81
US5074754ADec 24, 1991
Rotor blade retention system
UNITED TECHNOLOGIES CORP18 citations74