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| Number | Title | Issue Date |
| 6015451 | Vapor recovery system Apparatus for recovering volatile organic compounds (VOC) from VOC/inert gas mixtures leaving tanker holds during crude oil loading includes an absorption column 12 in which incoming VOC is absorbed into cold kerosene, a portion of the VOC rich kerosene l... | 01/18/2000 |
| 5989502 | Reactor distribution apparatus and quench zone mixing apparatus A quench zone mixing apparatus that occupies a low vertical height and has an improved mixing efficiency and fluid distribution across the catalyst surface includes a swirl chamber, a rough distribution network, and a distribution apparatus. In the swirl ... | 11/23/1999 |
| 5932988 | Apparatus and methods for manufacturing electrodes Electrodes are cured through application of modulated electrical signals. In preferred embodiments the signal comprises pulsed currents, and in particularly preferred embodiments the signal comprises a train of both forward and reversed pulses, with modul... | 08/03/1999 |
| 5846034 | Automated drill stem guide and method In a petroleum coking drum, a drill stem guide latches internally to a structure adjacent the drum opening, rather than externally to a flange about the drum opening. In preferred embodiments, the latching mechanism is spring loaded, and operated automati... | 12/08/1998 |
| 5685138 | Integrated drying of feedstock feed to IGCC plant In a combined cycle gasification plant, high pressure fuel gas from the gasification unit is heated prior to combustion, and is then used to dry the feedstock. The moist fuel gas from the drying operation is combusted to drive the turbine. Alternatively, ... | 11/11/1997 |
| 5628603 | Automated chute system The inlet of a coke chute is pushed upwards by a plurality of actuators until it encompasses the bottom outlet of a coking vessel. The inlet is preferably surrounded by a skirt which tapers inwardly from top to bottom, and the entire chute is preferably r... | 05/13/1997 |
| 5433069 | Process and economic use of excess compressed air when firing low BTU gas in a combustion gas turbine A system and method are described for transferring excess air from the compressor of a combustion-gas turbine having a paired compressor and expander, to at least one separate combustor where it is mixed with fuel and burned to power at least one non-pair... | 07/18/1995 |
| 5412913 | Self-aligning beam joint suited for use in modular construction An improved joinder method and system which allow either individual vertical columns or prefabricated module assemblies which incorporate a plurality of said vertical columns to be quickly and accurately lowered into position on top of one or more similar... | 05/09/1995 |
| 5336375 | Delayed coker drumhead handling apparatus A delayed coker drumhead handling apparatus, which includes remotely operable trammel pivot apparatus to open and close the coke drum by moving the drumhead downwardly and laterally, such that the apparatus is especially suitable for use in areas of restr... | 08/09/1994 |
| 5181376 | Process and system for producing power An improved combustion-turbine cycle system and process which employs a multi-stage, counter-current flow humidifier to produce moist air for use as combustion air and thermal diluent in a combuster in which the improvement includes utilizing excess fluid... | 01/26/1993 |
| 5048876 | Closure apparatus for pipes and vessels A closure apparatus for pipes, vessels and the like includes a ring member which extends around the perimeter of a pair of flanges. The ring member includes a plurality of rollers that engage the nonmating sides of the flanges and impart a closing force t... | 09/17/1991 |
| 4999993 | Reactor expander topping cycle An improved method for producing mechanical work from synthesis gas streams by exothermic, catalytic reaction of the stream, partial conversion to mechanical work by use of an expansion turbine and further conversion to mechanical work in a downstream hea... | 03/19/1991 |
| 4955467 | Energy damping device An energy damping device that includes a piston-cylinder assembly having a cylinder and a piston movable therein. A pre-loaded double acting spring, and a friction assembly, are enclosed fully within the cylinder, and engage the piston concentrically. The... | 09/11/1990 |
| 4829763 | Process for producing power A process is disclosed for producing mechanical energy or electric power from chemical energy contained in a fuel, utilizing a combustion turbine. The compressed air which is used for combustion of the fuel to drive the turbine is humidified prior to comb... | 05/16/1989 |
| 4778443 | Gas-oil-water separation system and process An improved system and method of gas and petroleum production from locations such as offshore facilities in which oily water and/or wet oil or an oil/water mixture is fed to a Podbielniak type centrifugal liquid/liquid contactor for separation and purific... | 10/18/1988 |
| 4673490 | Process for separating crude oil components A more effective and efficient method for separating the components of crude oil, particularly off-gases and LSR naphtha and heavy naphtha, is disclosed. The crude oil is heated and fed to a prefractionator that operates at relatively high pressure and us... | 06/16/1987 |
| 4666680 | Autothermal production of synthesis gas A process and apparatus for the auto-thermal production of hydrogen rich synthesis gas wherein a mixture of steam and a hydrocarbon feed gas is reacted by passing through a catalyst counter-currently to the flow of the combustion reaction effluent of the ... | 05/19/1987 |
| 4648848 | Spar buoy fluid transfer system A single point spar buoy mooring apparatus adapted to freely float in vertical position and readily attachable to a vessel, said apparatus including an outer rotatable cylinder and a superstructure supported therefrom, an inner nonrotatable cylinder coaxi... | 03/10/1987 |
| 4606673 | Spar buoy construction having production and oil storage facilities and method of operation A stabilized spar buoy construction for deep sea operations including an elongated submerged hull having a selected volume and a selected water plane area, mooring lines connecting the bottom portions of the hull with the sea bottom, said hull having oil ... | 08/19/1986 |
| 4535900 | Transfer apparatus and method A transfer apparatus and method utilizing a boom having complete spatial freedom. The boom is supported by a series of ropes and may be moved in any of three mutually parallel planes so as to transfer material in any desired manner, as by utilizing a conv... | 08/20/1985 |
| 4441993 | Flotation process A process for recovering metallic values by putting the values into solution and separating undesired mineral matter from the solution using countercurrent flotation is provided. The process involves leaching metallic values from host rock, conditioning t... | 04/10/1984 |
| 4374657 | Process of separating acid gases from hydrocarbons A process of separating acid gases consisting of carbon dioxide and/or hydrogen sulfide from hydrocarbons is disclosed. Methane is first separated from the hydrocarbon stream to produce a substantially methane free hydrocarbon stream containing acid gases... | 02/22/1983 |
| 4272269 | Cryogenic expander recovery process A process is described for the separation and recovery of C3 and heavier hydrocarbons from a gaseous hydrocarbon containing feed stream such as natural gas or refinery gas in which the gaseous feed stream is cryogenically expanded and the expan... | 06/09/1981 |
| 4211540 | Process for the manufacture of fuel gas An improved process is disclosed for the production of fuel gas such as synthetic natural gas from coal. A sized coal feed of larger particle size is gasified in a moving bed gasifier such as the British Gas/Lurgi slagging gasifier, and forms a methane ri... | 07/08/1980 |
