Dennis E. O'Brien — 25 Patents at Uop

Dennis E. O'Brien has been granted 25 US patents while listed as an inventor at Uop. The first was granted in 1980 and the most recent in March 2010. Dennis E. O'Brien ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Dennis E. O'Brien in Houston, TX, US.

Patents per Year

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Showing 1–25 of 25 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7687677	Process for recovering thermal energy from a reactor effluent stream	Joseph E. Zimmermann, Douglas G. Stewart	2010-03-30
7528290	Apparatuses and methods for separating butene-1 from a mixed C4 feed	Joseph E. Zimmermann	2009-05-05
7339088	Alkylbenzene refining process and apparatus	Douglas G. Stewart, Bipin V. Vora	2008-03-04
7267746	Dividing wall distillation column control apparatus	James W. Harris, Steven P. Rosenblum, Michael A. Schultz, Douglas G. Stewart	2007-09-11
6762334	Alkylaromatic process with removal of aromatic byproducts using efficient distillation	Douglas G. Stewart	2004-07-13
6483002	Integrated fractional distillation for adsorptive separation process	—	2002-11-19
6479720	Alkylaromatic process using efficient prefractionation	Dennis H. Bielinski, Zhanping Xu	2002-11-12
6417420	Alkylaromatic process with removal of aromatic byproducts using efficient distillation	Douglas G. Stewart	2002-07-09
6407303	Isomerization process with adsorptive separation and integrated fractional distillation	Lynn H. Rice	2002-06-18
6137021	Conversion of an HF alkylation unit	Steven F. Eshelman	2000-10-24
6069285	Alkylaromatic process using a solid alkylation catalyst and a benzene rectifier	Thomas R. Fritsch, Steven F. Eshelman	2000-05-30
5983476	Conversion of an HF alkylation unit	Steven F. Eshelman	1999-11-16
4568392	Well treating fluid	Charles R. Dawson, Norman N. Li	1986-02-04	$23,826,000
4397354	Method of using a well treating fluid	Charles R. Dawson, Norman N. Li	1983-08-09	$32,183,000
4384793	Temperature profile monitoring method and apparatus	—	1983-05-24
4381417	Catalytic dehydrogenation process	Bipin V. Vora, Norman H. Scott	1983-04-26
4381418	Catalytic dehydrogenation process	Steve A. Gewartowski	1983-04-26
4364821	Fluid contacting process	—	1982-12-21
4361658	Process for polymeric gelation	Robert D. Lundberg, Henry S. Makowski, Robert R. Klein	1982-11-30	$8,050,000
4333817	Separation of normally gaseous hydrocarbons from a catalytic reforming effluent and recovery of purified hydrogen	—	1982-06-08
4322329	Process for controlled gelation of polymeric solution (C-971)	Robert D. Lundberg, Henry S. Makowski, Robert R. Klein	1982-03-30	$21,701,000
4313862	Process for gelation of polymeric solution (C-1042)	Robert D. Lundberg, Henry S. Makowski, Robert R. Klein	1982-02-02	$12,017,000
4307063	Fluid contacting apparatus	—	1981-12-22
4282130	Process for controlled gelation of polymeric solution (C-669)	Robert D. Lundberg, Henry S. Makowski, Robert R. Klein	1981-08-04	$23,693,000
4183406	Method of treating a borehole using gellable polymers	Robert D. Lundberg, Henry S. Makowski, Robert R. Klein	1980-01-15	$11,371,000

Dennis E. O'Brien — 25 Patents

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