DO

Dennis E. O'Brien

UO Uop: 18 patents #163 of 1,854Top 9%
EX ExxonMobil: 8 patents #1,388 of 10,161Top 15%
Overall (All Time): #165,324 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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
4397354 Method of using a well treating fluid Charles R. Dawson, Norman N. Li 1983-08-09
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
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
4313862 Process for gelation of polymeric solution (C-1042) Robert D. Lundberg, Henry S. Makowski, Robert R. Klein 1982-02-02
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
4183406 Method of treating a borehole using gellable polymers Robert D. Lundberg, Henry S. Makowski, Robert R. Klein 1980-01-15