Inventor · disambiguated record
Darrell L. Gallup
Also filed as: GALLUP DARRELL L · GALLUP DARRELL LYNN
61 granted patents·2 pending applications·1,354 citations·filing 1982–2013
99Inventor score
Top patents by PatentIndex Score
63 records- 0191US8728304B2Process, method, and system for removing heavy metals from fluidsGALLUP DARRELL LYNN·Filed 2010·Granted May 20, 2014·14 cites·18 claims
- 0291US4830766AUse of reducing agents to control scale deposition from high temperature brineUNION OIL CO·Filed 1986·Granted May 16, 1989·78 cites·30 claims
- 0390US7839969B2Device and method for detecting deposition on an inner surface of a pipeCHEVRON USA INC·Filed 2008·Granted Nov 23, 2010·20 cites·23 claims
- 0490US5656172ApH modification of geothermal brine with sulfur-containing acidUNION OIL CO·Filed 1995·Granted Aug 12, 1997·59 cites·63 claims
- 0590US4537684AControl of metal-containing scale deposition from high temperature brineUNION OIL CO·Filed 1983·Granted Aug 27, 1985·61 cites·21 claims
- 0689US4756888ARecovery of silver-containing scales from aqueous mediaUNION OIL CO·Filed 1983·Granted Jul 12, 1988·28 cites·10 claims
- 0788US8673133B2Process, method, and system for removing heavy metals from fluidsYEAN SUJIN·Filed 2010·Granted Mar 18, 2014·10 cites·20 claims
- 0887US6761865B1Method for synthesizing crystalline magnesium silicates from geothermal brineUNION OIL CO·Filed 2003·Granted Jul 13, 2004·53 cites·24 claims
- 0987US5254225ARecovery of metallic compounds from geothermal brineUNION OIL CO·Filed 1991·Granted Oct 19, 1993·45 cites·17 claims
- 1087US4522728AAcidifiction of steam condensate for incompatibility control during mixing with geothermal brineUNION OIL CO·Filed 1983·Granted Jun 11, 1985·47 cites·22 claims
- 1186US8663460B2Process, method, and system for removing heavy metals from fluidsGALLUP DARRELL LYNN·Filed 2010·Granted Mar 4, 2014·7 cites·18 claims
- 1285US8702975B2Process, method, and system for removing heavy metals from fluidsGALLUP DARRELL L·Filed 2010·Granted Apr 22, 2014·8 cites·18 claims
- 1383US5965031ApH modification of geothermal brine with sulfur-containing acidUNION OIL CO·Filed 1997·Granted Oct 12, 1999·39 cites·31 claims
- 1482US5665242AInhibition of silica precipitationUNION OIL CO·Filed 1995·Granted Sep 9, 1997·42 cites·37 claims
- 1581US8728303B2Process, method, and system for removing heavy metals from fluidsYOUNG LYMAN·Filed 2010·Granted May 20, 2014·6 cites·20 claims
- 1679US9447675B2In-situ method and system for removing heavy metals from produced fluidsCHEVRON USA INC·Filed 2013·Granted Sep 20, 2016·6 cites·24 claims
- 1779US5622632AProcess for controlling nitrogen dioxide and/or ammonia emissions from geothermal power plantsUNION OIL CO·Filed 1994·Granted Apr 22, 1997·32 cites·26 claims
- 1879US5614100AMethod for water remediationUNION OIL CO·Filed 1994·Granted Mar 25, 1997·37 cites·57 claims
- 1979US5145656ABrine treatmentUNION OIL CO·Filed 1990·Granted Sep 8, 1992·33 cites·40 claims
- 2078US9023123B2Process, method, and system for removing mercury from fluidsO'REAR DENNIS JOHN·Filed 2013·Granted May 5, 2015·2 cites·25 claims
- 2178US5082492ARecovery of precious metals from aqueous mediaUNION OIL CO·Filed 1989·Granted Jan 21, 1992·28 cites·54 claims
- 2278US5073270AUse of reducing agents to control scale deposition from high temperature brineUNION OIL CO·Filed 1989·Granted Dec 17, 1991·38 cites·81 claims
- 2377US4500434AInhibiting scale precipitation from high temperature brineUNION OIL CO·Filed 1982·Granted Feb 19, 1985·34 cites·13 claims
- 2475US5730882AMethod for remediation of water containing emulsified oilsUNION OIL CO·Filed 1995·Granted Mar 24, 1998·49 cites·65 claims
- 2575US5531902AMethod for water remediationUNION OIL CO·Filed 1994·Granted Jul 2, 1996·33 cites·30 claims
- 2674US5145515ATreatment of brineUNION OIL CO·Filed 1989·Granted Sep 8, 1992·18 cites·92 claims
- 2773US5364439AMethod to treat geothermal fluid streamsUNION OIL CO·Filed 1992·Granted Nov 15, 1994·30 cites·27 claims
- 2873US5024769AMethod of treating an arsenic-containing solutionUNION OIL CO·Filed 1990·Granted Jun 18, 1991·35 cites·50 claims
- 2972US5246593ASilica scale deposition controlUNION OIL CO·Filed 1991·Granted Sep 21, 1993·36 cites·35 claims
- 3071US9181497B2Process, method, and system for removing mercury from fluidsCOOPER RUSSELL EVAN·Filed 2013·Granted Nov 10, 2015·2 cites·28 claims
- 3171US6375907B1Hydrogen sulfide abatement with scale control and/or well acidizingUNION OIL CO·Filed 1998·Granted Apr 23, 2002·28 cites·46 claims
- 3270US6214238B1Method for removing selenocyanate ions from waste waterTOSCO CORP·Filed 1998·Granted Apr 10, 2001·31 cites·11 claims
- 3370US5240687ABrine treatmentUNION OIL CO·Filed 1992·Granted Aug 31, 1993·22 cites·43 claims
- 3469US5858245AInhibition of silicate scale formationUNION OIL CO·Filed 1997·Granted Jan 12, 1999·32 cites·8 claims
- 3568US5085782AProcess for controlling the pH of a brineUNION OIL CO·Filed 1990·Granted Feb 4, 1992·23 cites·23 claims
- 3667US5409614AControl of scale deposition in geothermal operationsUNION OIL CO·Filed 1993·Granted Apr 25, 1995·25 cites·31 claims
- 3763US8721873B2Process, method, and system for removing heavy metals from fluidsYEAN SUJIN·Filed 2010·Granted May 13, 2014·1 cites·25 claims
- 3862US5061373AProcess for treating condensate of steam derived from geothermal brineUNION OIL CO·Filed 1988·Granted Oct 29, 1991·23 cites·69 claims
- 3960US5028340AProcess for treating sulfide-containing water to reduce sulfide emissions therefromUNION OIL CO·Filed 1990·Granted Jul 2, 1991·22 cites·43 claims
- 4060US4615808AAcidification of steam condensate for incompatibility control during mixing with geothermal brineUNION OIL CO·Filed 1985·Granted Oct 7, 1986·22 cites·21 claims
- 4154US5290339APlatinum recoveryUNION OIL CO·Filed 1992·Granted Mar 1, 1994·8 cites·22 claims
- 4253US5979556ASlow acidizing of geological formationsUNION OIL CO·Filed 1996·Granted Nov 9, 1999·16 cites·36 claims
- 4353US5288411AControl of scale deposition in geothermal operationsUNION OIL CO·Filed 1992·Granted Feb 22, 1994·13 cites·49 claims
- 4452US5190664ABrine heat exchanger treatment methodUNION OIL CO·Filed 1990·Granted Mar 2, 1993·24 cites·20 claims
- 4552US4869066AMethod for the production of usable steam and non-toxic solids from geothermal brineUNION OIL CO·Filed 1988·Granted Sep 26, 1989·11 cites·15 claims
- 4651US4874529AProcess and apparatus for reducing the concentration of suspended solids in clarified geothermal brineUNION OIL CO·Filed 1988·Granted Oct 17, 1989·15 cites·29 claims
- 4749US2010000910A1System and method for separating a trace element from a liquid hydrocarbon feedCHEVRON USA INC·Filed 2008·Application pending·0 cites
- 4848US9447674B2In-situ method and system for removing heavy metals from produced fluidsCHEVRON USA INC·Filed 2013·Granted Sep 20, 2016·0 cites·23 claims
- 4947US5879433AMethod and apparatus for reducing the acid gas and/or inert particulate content of steamUNION OIL CO·Filed 1997·Granted Mar 9, 1999·18 cites·27 claims
- 5047US5268108AControl of scale deposition in geothermal operationsUNION OIL CO·Filed 1991·Granted Dec 7, 1993·10 cites·44 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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