Rajen Puri — 22 Patents at Amoco

Rajen Puri has been granted 22 US patents while listed as an inventor at Amoco. The first was granted in 1985 and the most recent in September 2000. Rajen Puri ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Rajen Puri in Tulsa, OK, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6119778	Method for recovering methane from a solid carbonaceous subterranean formation	John P. Seidle, Dan Yee	2000-09-19	$343,788,000
5566755	Method for recovering methane from a solid carbonaceous subterranean formation	John P. Seidle, Dan Yee	1996-10-22	$45,021,000
5566756	Method for recovering methane from a solid carbonaceous subterranean formation	Joseph J. Chaback, Dan Yee, Richard F. Volz, Jr., John P. Seidle	1996-10-22	$45,021,000
5501273	Method for determining the reservoir properties of a solid carbonaceous subterranean formation	—	1996-03-26	$26,930,000
5439054	Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation	Joseph J. Chaback, Dan Yee, Richard F. Volz, Jr., John P. Seidle	1995-08-08	$29,691,000
5388641	Method for reducing the inert gas fraction in methane-containing gaseous mixtures obtained from underground formations	Dan Yee, John P. Seidle	1995-02-14	$17,520,000
5388640	Method for producing methane-containing gaseous mixtures	Dan Yee	1995-02-14	$17,520,000
5388642	Coalbed methane recovery using membrane separation of oxygen from air	Dan Yee	1995-02-14	$17,520,000
5388643	Coalbed methane recovery using pressure swing adsorption separation	Dan Yee	1995-02-14	$17,520,000
5388645	Method for producing methane-containing gaseous mixtures	Paul T. Pendergraft	1995-02-14	$17,520,000
5133406	Generating oxygen-depleted air useful for increasing methane production	—	1992-07-28	$18,781,000
5099921	Recovery of methane from solid carbonaceous subterranean formations	Dan Yee, Robert S. Metcalfe	1992-03-31	$14,762,000
5085274	Recovery of methane from solid carbonaceous subterranean of formations	Dan Yee	1992-02-04	$35,891,000
5048328	Method of determining the porosity and irreducible water saturation of a coal cleat system	—	1991-09-17	$44,798,000
5014785	Methane production from carbonaceous subterranean formations	Michael Stein	1991-05-14	$19,973,000
5014788	Method of increasing the permeability of a coal seam	Dan Yee, Thomas S. Buxton, Om Majahan	1991-05-14	$19,973,000
4883122	Method of coalbed methane production	Michael Stein	1989-11-28	$12,024,000
4756367	Method for producing natural gas from a coal seam	Dan Yee, John P. Seidle	1988-07-12	$18,829,000
4662439	Method of underground conversion of coal	—	1987-05-05	$13,337,000
4662443	Combination air-blown and oxygen-blown underground coal gasification process	Luis E. Arri, Bruce W. Gash	1987-05-05	$13,337,000
4614234	Method of recovering coal values by combining underground coal gasification with surface coal liquefaction	—	1986-09-30	$49,123,000
4537252	Method of underground conversion of coal	—	1985-08-27	$24,186,000

Rajen Puri — 22 Patents

Issued Patents All Time

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