Inventor
DEWITZ THOMAS S
US26 patents
Patents
26 patentsUS4797262AJan 10, 1989
Downflow fluidized catalytic cracking system
SHELL OIL CO300 citations99
US4693808ASep 15, 1987
Downflow fluidized catalytic cranking reactor process and apparatus with quick catalyst separation means in the bottom thereof
SHELL OIL CO52 citations96
US4941779AJul 17, 1990
Compartmented gas injection device
SHELL OIL CO62 citations94
US4865627ASep 12, 1989
Method and apparatus for separating fine particulates from a mixture of fine particulates and gas
SHELL OIL CO62 citations93
US5143521ASep 1, 1992
Method for producing gas using energy recovering coal feeding steps
SHELL OIL CO24 citations92
US5017196AMay 21, 1991
Method for enhancing energy recovery from a high temperature, high pressure synthesis gas stream
SHELL OIL CO39 citations92
US4810264AMar 7, 1989
Process for cleaning and splitting particle-containing fluid with an adjustable cyclone separator
SHELL OIL CO46 citations92
US4830545AMay 16, 1989
Feed line design
SHELL OIL CO34 citations91
US5129766AJul 14, 1992
Aeration tube discharge control device
SHELL OIL CO39 citations90
US5106240AApr 21, 1992
Aerated discharge device
SHELL OIL CO45 citations90
US4692311ASep 8, 1987
Apparatus for the separation of fluid cracking catalyst particles from gaseous hydrocarbons
SHELL OIL CO34 citations90
US4455220AJun 19, 1984
Separation of fluid cracking catalyst particles from gaseous hydrocarbons
SHELL OIL CO44 citations90
US4838898AJun 13, 1989
Method of removal and disposal of fly ash from a high-temperature, high-pressure synthesis gas stream
SHELL OIL CO50 citations89
US4853003AAug 1, 1989
Removal of particulates from synthesis gas
SHELL OIL CO23 citations82
US4781576ANov 1, 1988
Retractable burner for coal gasification plants
SHELL OIL CO21 citations82
US4838738AJun 13, 1989
Pressure compensated weigh system
SHELL OIL CO22 citations78
US5232466AAug 3, 1993
Apparatus for producing gas using energy recovering pressurizing system
SHELL OIL CO11 citations74
US5127772AJul 7, 1992
Method and apparatus for the control of suspension density by use of a radiation source
SHELL OIL CO7 citations74
US4934876AJun 19, 1990
Aeration apparatus for discharge control of particulate matter
SHELL OIL CO12 citations73
US4731228AMar 15, 1988
Reactor and horizontal cyclone separator with primary mass flow and secondary centrifugal separation of solid and fluid phases
SHELL OIL CO15 citations73
US4834588AMay 30, 1989
Feed line-pulsed gas injection
SHELL OIL CO12 citations72
US4844663AJul 4, 1989
Feed line-ultrasonic activated gas injection
SHELL OIL CO8 citations69
US5529591AJun 25, 1996
Reverse flow separator
SHELL OIL CO4 citations63
US4976755ADec 11, 1990
Stripping and depressurization of solids and gas mixture
SHELL OIL CO4 citations63
US4943190AJul 24, 1990
Aeration tube discharge control device with variable fluidic valve
SHELL OIL CO6 citations63
US4877419AOct 31, 1989
Stripping and depressurization of solids and gas mixture
SHELL OIL CO2 citations63