Inventor
ROBERTSON JR JOHN W
US10 patents
Patents
10 patentsUS4456865AJun 26, 1984
High torque servo positioner using 3 phase variable frequency constant torque controller
BABCOCK & WILCOX CO30 citations92
US4852384AAug 1, 1989
Automatic calibration and control system for a combined oxygen and combustibles analyzer
BABCOCK & WILCOX CO35 citations89
US4875000AOct 17, 1989
Current fault detection system and method for AC controller
BABCOCK & WILCOX CO23 citations81
US4846410AJul 11, 1989
Apparatus for monitoring low-level combustibles
BABCOCK & WILCOX CO23 citations79
US4703407AOct 27, 1987
Power supply for totem pole power switches
BABCOCK & WILCOX CO8 citations72
US4778113AOct 18, 1988
Apparatus for monitoring low level combustibles
BABCOCK & WILCOX CO17 citations71
US4655074AApr 7, 1987
Self-zeroing pressure transmitter with automatic pressure manifold
BABCOCK & WILCOX CO12 citations71
US4599550AJul 8, 1986
Digital generation of 3-phase PWM waveforms for variable speed control of induction motor
BABCOCK & WILCOX CO20 citations70
US4583029AApr 15, 1986
Variable speed resistive network for a pneumatic servo assembly of an electro-pneumatic converter
BABCOCK & WILCOX CO3 citations61
US4692933ASep 8, 1987
Electro-mechanical integrator
BABCOCK & WILCOX CO3 citations60