Inventor · disambiguated record
Dennis E. O'Brien
Also filed as: LUNDBERG ROBERT D · O'BRIEN DENNIS · O'BRIEN DENNIS E
25 granted patents·716 citations·filing 1978–2006
97Inventor score
Top patents by PatentIndex Score
25 records- 0195US6762334B1Alkylaromatic process with removal of aromatic byproducts using efficient distillationUOP LLC·Filed 2002·Granted Jul 13, 2004·42 cites·41 claims
- 0294US7528290B2Apparatuses and methods for separating butene-1 from a mixed C4 feedUOP LLC·Filed 2006·Granted May 5, 2009·32 cites·20 claims
- 0393US6483002B1Integrated fractional distillation for adsorptive separation processUOP LLC·Filed 2000·Granted Nov 19, 2002·29 cites·11 claims
- 0492US7267746B1Dividing wall distillation column control apparatusUOP LLC·Filed 2003·Granted Sep 11, 2007·81 cites·2 claims
- 0590US4381418ACatalytic dehydrogenation processUOP INC·Filed 1981·Granted Apr 26, 1983·30 cites·9 claims
- 0689US7339088B1Alkylbenzene refining process and apparatusUOP LLC·Filed 2004·Granted Mar 4, 2008·21 cites·20 claims
- 0788US6417420B1Alkylaromatic process with removal of aromatic byproducts using efficient distillationUOP LLC·Filed 2001·Granted Jul 9, 2002·45 cites·26 claims
- 0888US6069285AAlkylaromatic process using a solid alkylation catalyst and a benzene rectifierUOP LLC·Filed 1999·Granted May 30, 2000·46 cites·20 claims
- 0988US4397354AMethod of using a well treating fluidEXXON PRODUCTION RESEARCH CO·Filed 1982·Granted Aug 9, 1983·55 cites·6 claims
- 1088US4183406AMethod of treating a borehole using gellable polymersEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Jan 15, 1980·43 cites·28 claims
- 1186US6407303B1Isomerization process with adsorptive separation and integrated fractional distillationUOP LLC·Filed 2000·Granted Jun 18, 2002·36 cites·9 claims
- 1285US6479720B1Alkylaromatic process using efficient prefractionationUOP LLC·Filed 1999·Granted Nov 12, 2002·35 cites·23 claims
- 1384US4384793ATemperature profile monitoring method and apparatusUOP INC·Filed 1980·Granted May 24, 1983·46 cites·13 claims
- 1483US5983476AConversion of an HF alkylation unitUOP LLC·Filed 1998·Granted Nov 16, 1999·27 cites·7 claims
- 1581US7687677B1Process for recovering thermal energy from a reactor effluent streamUOP LLC·Filed 2006·Granted Mar 30, 2010·20 cites·19 claims
- 1674US4381417ACatalytic dehydrogenation processUOP INC·Filed 1981·Granted Apr 26, 1983·30 cites·8 claims
- 1767US4282130AProcess for controlled gelation of polymeric solution (C-669)EXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Aug 4, 1981·16 cites·35 claims
- 1863US4322329AProcess for controlled gelation of polymeric solution (C-971)EXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Mar 30, 1982·16 cites·36 claims
- 1960US4361658AProcess for polymeric gelationEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Nov 30, 1982·16 cites·14 claims
- 2058US4568392AWell treating fluidEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Feb 4, 1986·15 cites·22 claims
- 2149US4333817ASeparation of normally gaseous hydrocarbons from a catalytic reforming effluent and recovery of purified hydrogenUOP INC·Filed 1981·Granted Jun 8, 1982·9 cites·5 claims
- 2246US4313862AProcess for gelation of polymeric solution (C-1042)EXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Feb 2, 1982·9 cites·25 claims
- 2346US4307063AFluid contacting apparatusUOP INC·Filed 1980·Granted Dec 22, 1981·11 cites·1 claims
- 2440US4364821AFluid contacting processUOP INC·Filed 1981·Granted Dec 21, 1982·5 cites·3 claims
- 2528US6137021AConversion of an HF alkylation unitUOP LLC·Filed 1999·Granted Oct 24, 2000·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →