| Patent Number |
Title Of Patent |
Date Issued |
| 7291311 |
Process for controlling a moving bed combustion zone and its use |
Nov. 6, 2007 |
| 7276639 |
Process and apparatus for detecting a loss of reaction in a hydrocarbon conversion reaction |
Oct. 2, 2007 |
| 7128812 |
Apparatus and method for determining the level in a coke drum |
Oct. 31, 2006 |
| 7041259 |
FCC process and apparatus with automatic catalyst recycle control |
May. 9, 2006 |
| 6846405 |
Circulating fluid bed reactor system |
Jan. 25, 2005 |
| 6835302 |
FCC process and apparatus with automatic catalyst recycle control |
Dec. 28, 2004 |
| 6758945 |
Method and apparatus for quenching the coke drum vapor line in a coker |
Jul. 6, 2004 |
| 6512156 |
Method and apparatus for controlling severity of cracking operations by near infrared analysis in the gas phase using fiber optics |
Jan. 28, 2003 |
| 6508930 |
Method for stabilizing operation of fluid catalytic converter units |
Jan. 21, 2003 |
| 6425998 |
Process for detecting impurities in liquid metal heat exchange fluid in high hydrogen permeation environment |
Jul. 30, 2002 |
| 6413378 |
Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification |
Jul. 2, 2002 |
| 6358401 |
Apparatus and procedures for replenishing particulate materials used in industrial processes |
Mar. 19, 2002 |
| 6348146 |
System and method to effectuate and control coker charge heater process fluid temperature |
Feb. 19, 2002 |
| 6156189 |
Operating method for fluid catalytic cracking involving alternating feed injection |
Dec. 5, 2000 |
| 6013172 |
Methodology for extracting local constants from petroleum cracking flows |
Jan. 11, 2000 |
| 5900155 |
Method and apparatus for reconditioning oil of vehicles |
May. 4, 1999 |
| 5876591 |
Process for the production of lube oil |
Mar. 2, 1999 |
| 5868922 |
Analyzer system for strippable hydrocarbon on FCC catalyst |
Feb. 9, 1999 |
| 5863417 |
Method for analyzing for strippable hydrocarbon on FCC catalyst |
Jan. 26, 1999 |
| 5858213 |
Monitoring for coke formation during hydrocarbon feed processing |
Jan. 12, 1999 |
| 5731485 |
Method of controlling a heater using heat flux ratios |
Mar. 24, 1998 |
| 5707923 |
Method of and apparatus for controlling an alkylation process |
Jan. 13, 1998 |
| 5656151 |
Intermittent water washing to remove salts |
Aug. 12, 1997 |
| 5656152 |
Water washing to remove salts |
Aug. 12, 1997 |
| 5500110 |
Method for changing particulate transport rates between zones |
Mar. 19, 1996 |
| 5457260 |
Control process for simulated moving adsorbent bed separations |
Oct. 10, 1995 |
| 5419830 |
Method for controlling hydrocracking and isomerization dewaxing |
May. 30, 1995 |
| 5389236 |
Method and apparatus for controlling introduction of catalysts into FCC units |
Feb. 14, 1995 |
| 5389239 |
Control method for direct-coupled FCC riser cyclone |
Feb. 14, 1995 |
| 5376257 |
Process for feed oil refining for production of lubricating oil |
Dec. 27, 1994 |
| 5370790 |
Determination of aromatics in hydrocarbons by near infrared spectroscopy |
Dec. 6, 1994 |
| 5348645 |
Determination of aromatics in hydrocarbons by near infrared spectroscopy |
Sep. 20, 1994 |
| 5322618 |
FCC process with scanned riser |
Jun. 21, 1994 |
| 5308470 |
Non-carcinogenic asphalts and asphalt blending stocks |
May. 3, 1994 |
| 5298155 |
Controlling yields and selectivity in a fluid catalytic cracker unit |
Mar. 29, 1994 |
| 5243122 |
Dehydrogenation process control |
Sep. 7, 1993 |
| 5215653 |
Catalyst inventory control in an ebullated bed process |
Jun. 1, 1993 |
| 5213696 |
Automatic dewaxing filter washing system and method |
May. 25, 1993 |
| 5164074 |
Hydrodesulfurization pressure control |
Nov. 17, 1992 |
| 5156733 |
Method for controlling sedimentation in an ebulated bed process |
Oct. 20, 1992 |
| 5100535 |
Method for controlling hydrocracking operations |
Mar. 31, 1992 |
| 5082985 |
Process for controlling hydrocarbon steam cracking system using a spectrophotometer |
Jan. 21, 1992 |
| 5047125 |
Fractionating column control apparatus and methods |
Sep. 10, 1991 |
| 5034119 |
Non-carcinogenic bright stock extracts and deasphalted oils |
Jul. 23, 1991 |
| 5024730 |
Control system for delayed coker |
Jun. 18, 1991 |
| 5000924 |
Autoacceleration control for exothermic reactors |
Mar. 19, 1991 |
| 4985140 |
Apparatus for measuring flash point of petroleum intermediate fraction and method for controlling flash point |
Jan. 15, 1991 |
| 4973386 |
Passive acoustic power spectra to monitor and control processing |
Nov. 27, 1990 |
| 4968410 |
Oil recovery system |
Nov. 6, 1990 |
| 4929335 |
Method for control of visbreaker severity |
May. 29, 1990 |
