Inventor
STEWART WILLIAM S
US33 patents
⚠️ This page may combine multiple inventors who share the name “STEWART WILLIAM S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
27 patentsUS4230534AOct 28, 1980
Control of a fractional distillation column
PHILLIPS PETROLEUM CO45 citations92
US4676870AJun 30, 1987
Automatic control of a multiple-effect evaporator
PHILLIPS PETROLEUM CO26 citations91
US4621062ANov 4, 1986
Control of an isomerization process
PHILLIPS PETROLEUM CO48 citations90
US4654801AMar 31, 1987
Control of a vinyl acetate process
PHILLIPS PETROLEUM CO22 citations82
US4386623AJun 7, 1983
Nonlinear control of liquid level
PHILLIPS PETROLEUM CO21 citations82
US4218191AAug 19, 1980
Multi-constraint control of a compression system
PHILLIPS PETROLEUM CO22 citations82
US4191511AMar 4, 1980
Compressor control
PHILLIPS PETROLEUM CO24 citations82
US4115862ASep 19, 1978
Process control method and apparatus
PHILLIPS PETROLEUM CO20 citations82
US4400784AAug 23, 1983
Control of a cracking furnace
PHILLIPS PETROLEUM CO22 citations79
US4281970AAug 4, 1981
Turbo-expander control
PHILLIPS PETROLEUM CO21 citations76
US4772298ASep 20, 1988
Control of a H2 S absorber
PHILLIPS PETROLEUM CO11 citations74
US4698313AOct 6, 1987
Method and device for controlling a delayed coker system
PHILLIPS PETROLEUM CO9 citations74
US4473490ASep 25, 1984
Control of a reforming furnace
PHILLIPS PETROLEUM CO20 citations74
US4435192AMar 6, 1984
Control of a H2 S absorber
PHILLIPS PETROLEUM CO10 citations74
US4434746AMar 6, 1984
Control of a system for supplying heat
PHILLIPS PETROLEUM CO18 citations74
US4360882ANov 23, 1982
Process control system
PHILLIPS PETROLEUM CO8 citations74
US4345993AAug 24, 1982
Control of a fluid catalytic cracking unit
PHILLIPS PETROLEUM CO13 citations74
US4252614AFeb 24, 1981
Control of multiple feed fractional distillation column
PHILLIPS PETROLEUM CO9 citations74
US4231753ANov 4, 1980
Control of a cracking furnace
PHILLIPS PETROLEUM CO12 citations74
US4371944AFeb 1, 1983
Ethylene process control
PHILLIPS PETROLEUM CO16 citations73
US3951604AApr 20, 1976
Controlled polymerization apparatus
PHILLIPS PETROLEUM CO9 citations73
US4070172AJan 24, 1978
Pressure responsive fractionation control
PHILLIPS PETROLEUM CO11 citations72
US4318178AMar 2, 1982
Control of a cracking furnace
PHILLIPS PETROLEUM CO8 citations71
US4726893AFeb 23, 1988
Catalytic crackins process control
PHILLIPS PETROLEUM CO3 citations60
US4747912AMay 31, 1988
Cracking furnace control
PHILLIPS PETROLEUM CO1 citations49
US4655277AApr 7, 1987
Process control for parallel heat exchangers
PHILLIPS PETROLEUM CO1 citations49
US4545894AOct 8, 1985
Control of an aromatic extraction
PHILLIPS PETROLEUM CO1 citations49
STEWART WILLIAM S
3 patentsUS8806977B2Aug 19, 2014
Vehicle pedal assembly with hysteresis assembly
STEWART WILLIAM S20 citations89
US9244481B2Jan 26, 2016
Vehicle pedal assembly with hysteresis assembly
STEWART WILLIAM S4 citations70
US8881047B2Nov 4, 2014
Systems and methods for dynamic background user interface(s)
STEWART WILLIAM S2 citations61