Inventor
VERZELLA DAVID J
21 patents
Patents
21 patentsUS4599698AJul 8, 1986
Aircraft trim actuator shutdown monitor system and method
UNITED TECHNOLOGIES CORP28 citations92
US5224664AJul 6, 1993
Adaptive control system input limiting
UNITED TECHNOLOGIES CORP49 citations90
US4626998ADec 2, 1986
Heading reference trim system
UNITED TECHNOLOGIES CORP22 citations82
US4392203AJul 5, 1983
Aircraft coordinated turn with lagged roll rate
UNITED TECHNOLOGIES CORP26 citations82
US4484283ANov 20, 1984
Aircraft roll-yaw fault protocols
UNITED TECHNOLOGIES CORP24 citations81
US4103848AAug 1, 1978
Variable incidence helicopter stabilator and fail safe actuator
UNITED TECHNOLOGIES CORP23 citations79
US4594714AJun 10, 1986
Dual-actuator monitor
UNITED TECHNOLOGIES CORP15 citations74
US4477876AOct 16, 1984
Dual response aircraft reference synchronization
UNITED TECHNOLOGIES CORP8 citations74
US4387432AJun 7, 1983
Pulsed aircraft actuator
UNITED TECHNOLOGIES CORP17 citations74
US4387431AJun 7, 1983
Roll attitude inhibit of aircraft automatic outer loop
UNITED TECHNOLOGIES CORP7 citations74
US4385356AMay 24, 1983
Non-saturating airspeed/attitude controls
UNITED TECHNOLOGIES CORP15 citations74
US4385355AMay 24, 1983
Automatic outer loop centering of aircraft inner loop
UNITED TECHNOLOGIES CORP11 citations74
US4383299AMay 10, 1983
Command-inhibited aircraft attitude reference adjustment
UNITED TECHNOLOGIES CORP14 citations74
US4371938AFeb 1, 1983
Automatic airspeed engage/disengage
UNITED TECHNOLOGIES CORP12 citations74
US4371939AFeb 1, 1983
Roll attitude inhibit of aircraft coordinated turn disengagement
UNITED TECHNOLOGIES CORP18 citations74
US4371936AFeb 1, 1983
Attitude trimmed airspeed/attitude controls
UNITED TECHNOLOGIES CORP11 citations74
US4371937AFeb 1, 1983
Retaining airspeed hold engagement in low speed maneuver
UNITED TECHNOLOGIES CORP17 citations74
US4528628AJul 9, 1985
Shutdown monitor for a helicopter pitch bias actuator
UNITED TECHNOLOGIES CORP8 citations70
US4592055AMay 27, 1986
Outer-loop monitor for aircraft automatic flight control system
UNITED TECHNOLOGIES CORP6 citations63
US4417308ANov 22, 1983
Dual inner loop fault inhibit of aircraft outer loop
UNITED TECHNOLOGIES CORP4 citations63
US4387430AJun 7, 1983
Pitch stick force inhibit of aircraft automatic outer loop
UNITED TECHNOLOGIES CORP5 citations63