Directory: OIL EXTRACTION OR 石油开采

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	1.	Inventor: Kiamanesh Anoosh I Attorney: Trask, Britt & Rossa Title: In-situ tuned microwave oil extraction process Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 5082054 Publication date : 1992-01-21 Referenced by: 232 Reference cited: 19
	2.	Inventor: Nohira Hidetaka Assignee: Toyota Jidosha Kabushiki Kaisha Attorney: Cushman, Darby & Cushman Title: Device for varying a valve timing and lift for an internal combustion engine Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 4696265 Publication date : 1987-09-29 Referenced by: 54 Reference cited: 13
	3.	Inventor: Strop Hans R; Perry Richard R Attorney: Fay, Sharpe, Beall, Fagan, Minnich & McKee Title: Vegetable oil extraction process Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 5278325 Publication date : 1994-01-11 Referenced by: 31 Reference cited: 2
	4.	Inventor: Miller Peter A Attorney: Frishauf, Holtz, Goodman & Woodward Title: Travelling sheet, flat-bed filter apparatus and system Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 4233157 Publication date : 1980-11-11 Referenced by: 27 Reference cited: 37
	5.	Inventor: El-Allawy Mohammed Assignee: Fried Krupp GmbH Attorney: Sughrue, Mion, Zinn, Macpeak, and Seas Title: Process for the continuous production of boiler feed water Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 4698136 Publication date : 1987-10-06 Referenced by: 25 Reference cited: 15
	6.	Inventor: Galletti Alfonso Assignee: GI PI Srl Attorney: Sughrue, Mion, Zinn Macpeak & Seas Title: Skimming device for oil-extraction equipment for tanks of coolant fluids with oil in suspension Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 5059312 Publication date : 1991-10-22 Referenced by: 24 Reference cited: 14
	7.	Inventor: Tabor Paul R Assignee: Hydrocarbon Research, Inc Attorney: Mallare Vincent A; Wilson Fred A Title: Method of in situ oil extraction using hot solvent vapor injection Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 4362213 Publication date : 1982-12-07 Referenced by: 23 Reference cited: 13
	8.	Inventor: Strop Hans R; Perry Richard R Assignee: EPE Incorporated Attorney: Fay, Sharpe, Beall, Fagan, Minnich & McKee Title: Vegetable oil extraction process Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 4808426 Publication date : 1989-02-28 Referenced by: 21 Reference cited: 3
	9.	Inventor: Bushnell James D; Leighton Milton D; McDonald Thomas M Assignee: Exxon Research & Engineering Co Attorney: Corcoran Edward M Title: Solvent recovery process for N-methyl-2-pyrrolidone in hydrocarbon extraction Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 4057491 Publication date : 1977-11-08 Referenced by: 21 Reference cited: 5
	10.	Inventor: Roselius Wilhelm; Vitzthum Otto; Hubert Peter Assignee: HAG Aktiengesellschaft Attorney: Burgess, Dinklage & Sprung Title: Method for the production of caffeine-free coffee extract Patent Office: United States of America Patent and Trademark Office. Granted Patents (USPTO) Document Number: 3843824 Publication date : 1974-10-22 Referenced by: 21 Reference cited: 7

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