Inventor
KEYES IV MARION A
US35 patents
⚠️ This page may combine multiple inventors who share the name “KEYES IV MARION A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BABCOCK & WILCOX CO
21 patentsUS4477245AOct 16, 1984
Flame monitoring safety, energy and fuel conservation system
BABCOCK & WILCOX CO58 citations96
US4834473AMay 30, 1989
Holographic operator display for control systems
BABCOCK & WILCOX CO33 citations92
US4450722AMay 29, 1984
Water level gauge with fault detector
BABCOCK & WILCOX CO90 citations92
US4697980AOct 6, 1987
Adaptive gain compressor surge control system
BABCOCK & WILCOX CO26 citations91
US4627788ADec 9, 1986
Adaptive gain compressor surge control system
BABCOCK & WILCOX CO27 citations91
US4574746AMar 11, 1986
Process heater control
BABCOCK & WILCOX CO23 citations81
US4552026ANov 12, 1985
Sensor for a vortex shedding flowmeter
BABCOCK & WILCOX CO19 citations81
US4549503AOct 29, 1985
Maximum efficiency steam temperature control system
BABCOCK & WILCOX CO25 citations80
US4612621ASep 16, 1986
Distributed system for optimizing the performance of a plurality of multi-stage steam turbines using function blocks
BABCOCK & WILCOX CO7 citations74
US4574626AMar 11, 1986
Enthalpy measurement for two phase substance
BABCOCK & WILCOX CO14 citations74
US4561311ADec 31, 1985
Bridge excitation for sensor used on a vortex shedding flow meter
BABCOCK & WILCOX CO7 citations74
US4685072AAug 4, 1987
Steam generator on-line efficiency monitor
BABCOCK & WILCOX CO8 citations72
US4575334AMar 11, 1986
Loss minimization combustion control system
BABCOCK & WILCOX CO8 citations72
US4900232AFeb 13, 1990
Compressor surge control method
BABCOCK & WILCOX CO10 citations71
US4861233AAug 29, 1989
Compressor surge control system
BABCOCK & WILCOX CO13 citations71
US4803052AFeb 7, 1989
Carbon monoxide detector
BABCOCK & WILCOX CO19 citations71
US4577097AMar 18, 1986
Three-mode analog controller with remote tuning
BABCOCK & WILCOX CO10 citations68
US4511882AApr 16, 1985
Function generator
BABCOCK & WILCOX CO5 citations63
US4470019ASep 4, 1984
Rate multiplier square root extractor with increased accuracy for transmitter applications
BABCOCK & WILCOX CO4 citations63
US4466296AAug 21, 1984
Force transducer range adjuster
BABCOCK & WILCOX CO5 citations63
US4303982ADec 1, 1981
System for the measurement and control of the heat input to a gas burner
BABCOCK & WILCOX CO4 citations61
ELSAG INT BV
7 patentsUS5175678ADec 29, 1992
Method and procedure for neural control of dynamic processes
ELSAG INT BV151 citations97
US5025665AJun 25, 1991
Non-contacting on-line paper strength measuring system
ELSAG INT BV35 citations92
US5060132AOct 22, 1991
Method of modeling and control for delignification of pulping
ELSAG INT BV30 citations90
US5032977AJul 16, 1991
System for modeling and control for delignification of pulping
ELSAG INT BV18 citations71
US4978425ADec 18, 1990
Method for controlling the degree of cooking in a digester
ELSAG INT BV9 citations71
US5032976AJul 16, 1991
System for modeling and control for delignification of pulping
ELSAG INT BV4 citations60
US4990219AFeb 5, 1991
Apparatus for controlling the degree of cooking in a digester
ELSAG INT BV5 citations60
FISHER ROSEMOUNT SYSTEMS INC
4 patentsUS7206646B2Apr 17, 2007
Method and apparatus for performing a function in a plant using process performance monitoring with process equipment monitoring and control
FISHER ROSEMOUNT SYSTEMS INC342 citations98
US7035773B2Apr 25, 2006
Appendable system and devices for data acquisition, analysis and control
FISHER ROSEMOUNT SYSTEMS INC50 citations96
US7447612B2Nov 4, 2008
Appendable system and devices for data acquisition, analysis and control
FISHER ROSEMOUNT SYSTEMS INC29 citations92
US7848906B2Dec 7, 2010
Appendable system and devices for data acquisition, analysis and control
FISHER ROSEMOUNT SYSTEMS INC11 citations84