11
Alfonso Galletti: Skimming device for oil-extraction equipment for tanks of coolant fluids with oil in suspension. GI PI S r l, Sughrue Mion Zinn Macpeak & Seas, October 22, 1991: US05059312 (30 worldwide citation)

A skimming device (14) for oil-extraction equipment for tanks (3) of coolant liquids with oil in suspension, comprising a support (15) carrying a hollow cylindrical body of adjustable height (20) on which a float member (23) is slidable axially, the float member having an upper wall (24) which commu ...


12
Mohammed El Allawy: Process for the continuous production of boiler feed water. Fried Krupp, Sughrue Mion Zinn Macpeak and Seas, October 6, 1987: US04698136 (29 worldwide citation)

A process for the continuous production of boiler feed water from process waters in the oil extraction industry during which salts and hydrocarbons are removed from the water, without Fe.sup.++ precipitating. The heavy hydrocarbons are mechanically separated, the volatile hydrocarbons are separated ...


13
Van, Houten Michael, Beaver Michael J, Eyal Aharon M, Fox Eugene J, Ingvalson Joel, Jakel Neal T, Kotowski Douglas C, Mcwilliams Paul J, Patist Alexander, Tupy Michael J, Lohrmann Troy T: Process for increasing throughput of corn for oil extraction. Cargill Incorporated, Renessen, Van, Houten Michael, Beaver Michael J, Eyal Aharon M, Fox Eugene J, Ingvalson Joel, Jakel Neal T, Kotowski Douglas C, Mcwilliams Paul J, Patist Alexander, Tupy Michael J, Lohrmann Troy T, BURGAN Jeffrey B, November 17, 2005: WO/2005/108533 (29 worldwide citation)

Corn oil is extracted from corn to form a corn meal. Processing the corn grain to obtain the oil, meal, and other product streams generally includes dividing the corn kernel by fractionating to create a higher oil fraction and a lower oil fraction, forming a solvent extractable structure from the hi ...


14
Hans R Strop, Richard R Perry: Vegetable oil extraction process. EPE Incorporated, Fay Sharpe Beall Fagan Minnich & McKee, February 28, 1989: US04808426 (28 worldwide citation)

A vegetable oil process and assembly is disclosed for extracting oil from an oil bearing material such as soybean, corn and the like. The process comprises adding at least one reagent and an oil of preferably the same type as will be extracted from the oil bearing material to the oil bearing materia ...


15
Flemming M Christensen, Hans A S Olsen: Method for production of an upgraded coconut product. Novo Industri, Birch Stewart Kolasch & Birch, February 27, 1990: US04904483 (27 worldwide citation)

The method for production of an upgraded coconut product comprises the steps of: enzymatically treating an aqueous suspension of particles of coconut meat, which may be purified, with a cell wall degrading enzyme and a galactomannase, all essentially free from lipases, and separating a sludge phase. ...


16
Hans R Strop, Richard R Perry: Vegetable oil extraction process. EPE Incorporated, Fay Sharpe Beall Fagan Minnich & Mckee, July 31, 1990: US04944954 (24 worldwide citation)

A vegetable oil process and assembly is disclosed for extracting oil from an oil bearing material such as soybean, corn and the like. The process comprises adding at least one reagent and an oil of preferably the same type as will be extracted from the oil bearing material to the oil bearing materia ...


17
James D Bushnell, Milton D Leighton, Thomas M McDonald: Solvent recovery process for N-methyl-2-pyrrolidone in hydrocarbon extraction. Exxon Research & Engineering Co, Edward M Corcoran, November 8, 1977: US04057491 (23 worldwide citation)

N-methyl-2-pyrrolidone is recovered from the raffinate and extract phases produced by its use in hydrocarbon extraction processes, particularly lube oil extraction, through the use of flash evaporation and/or distillation followed by gas stripping. Water buildup in the recovered solvent is prevented ...


18
Diego Dell Erba, Gabriel E Carcagno: Threaded pipe with surface treatment. Tenaris Connections, Fitzpatrick Cella Harper & Scinto, December 6, 2005: US06971681 (22 worldwide citation)

A threaded metallic pipe for oil extraction industry has a threaded end portion with treated surface in which the metal surface has a roughness (Ra) comprised of 2.0 μm and 6.0 μm, which is covered by a uniform layer (7) of a dry corrosion inhibiting coating and a second uniform layer (8) of dry lub ...


19
Yasushi Izunaga, Hiroaki Kuno, Shintaro Sado: Mechanism for prevention of burning of bearing portions in a hermetic type scroll compressor. Hatachi, Antonelli Terry & Wands, December 26, 1989: US04889471 (20 worldwide citation)

In a scroll compressor, an open end of an oil extraction pipe which is placed in oil stored in a bottom portion of a hermetic casing is positioned at a location higher than an open end of an oil suction pipe that opens in the same stored oil, and a thermostat is provided for sensing a temperature ri ...


20
Colin G Grieves, Robert J Baechle, John M Considine, Lawrence M Bristow: Process for treating sour water in oil refineries. Amoco Corporation, Thomas W Tolpin, William H Magidson, Ralph C Medhurst, May 24, 1988: US04746434 (17 worldwide citation)

Sour process water from an oil refinery is partially treated by oil extraction. The partially treated water can be biologically treated, upgraded and further purified in a cooling tower, trickle filter, and/or activated sludge tank.



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