Inventor · disambiguated record
Dennis W. Johnson
Also filed as: JOHNSON DENNIS · JOHNSON DENNIS W · JOHNSON DENNIS WAYNE
65 granted patents·12 pending applications·1,889 citations·filing 1975–2016
99Inventor score
Files withBABCOCK & WILCOX CO46JOHNSON DENNIS W13FLUOR TECH CORP5ENVIROSOLV ENERGY LLC4MCDERMOTT TECHNOLOGY INC2
Top patents by PatentIndex Score
77 records- 0197US5672323AActivated carbon flue gas desulfurization systems for mercury removalBABCOCK & WILCOX CO·Filed 1996·Granted Sep 30, 1997·189 cites·15 claims
- 0295US5787821AHigh velocity integrated flue gas treatment scrubbing systemBABCOCK & WILCOX CO·Filed 1997·Granted Aug 4, 1998·112 cites·2 claims
- 0394US5599508AFlue gas conditioning for the removal of acid gases, air toxics and trace metalsBABCOCK & WILCOX CO·Filed 1994·Granted Feb 4, 1997·123 cites·7 claims
- 0490US8414852B1Prevention of nitro-amine formation in carbon dioxide absorption processesJOHNSON DENNIS W·Filed 2011·Granted Apr 9, 2013·11 cites·20 claims
- 0588US5752994ABlack liquor gasifierBABCOCK & WILCOX CO·Filed 1996·Granted May 19, 1998·56 cites·4 claims
- 0687US7514053B2Method for removing sulfur dioxide, mercury, and nitrogen oxides from a gas streamENVIROSOLV ENERGY LLC·Filed 2005·Granted Apr 7, 2009·40 cites·22 claims
- 0787US5674459AHydrogen peroxide for flue gas desulfurizationBABCOCK & WILCOX CO·Filed 1996·Granted Oct 7, 1997·69 cites·18 claims
- 0887US5250267AParticulate collection device with integral wet scrubberBABCOCK & WILCOX CO·Filed 1992·Granted Oct 5, 1993·69 cites·7 claims
- 0986US5603909ASelective catalytic reduction reactor integrated with condensing heat exchanger for multiple pollutant capture/removalBABCOCK & WILCOX CO·Filed 1995·Granted Feb 18, 1997·74 cites·6 claims
- 1086US5246471AMethod and apparatus for gas liquid contactBABCOCK & WILCOX CO·Filed 1992·Granted Sep 21, 1993·75 cites·15 claims
- 1185US8242324B2Removal of Hg, NOx, and SOx with using oxidants and staged gas/liquid contactJOHNSON DENNIS W·Filed 2009·Granted Aug 14, 2012·10 cites·23 claims
- 1285US7628967B2Removal of Hg, NOx, and SOx with using oxidants and staged gas/liquid contactAIRBORNE IND MINERALS INC·Filed 2005·Granted Dec 8, 2009·11 cites·23 claims
- 1385US5542609AExtended wear life low pressure drop right angle single exit orifice dual-fluid atomizer with replaceable wear materialsBABCOCK & WILCOX CO·Filed 1994·Granted Aug 6, 1996·70 cites·14 claims
- 1484US9034081B2Down-flow direct contact coolerJOHNSON DENNIS W·Filed 2011·Granted May 19, 2015·6 cites·28 claims
- 1584US5480619ARegenerative scrubber application with condensing heat exchangerBABCOCK & WILCOX CO·Filed 1994·Granted Jan 2, 1996·58 cites·3 claims
- 1684US5308509AFGD performance enhancement by hydroclone and recycling stepsBABCOCK & WILCOX CO·Filed 1993·Granted May 3, 1994·40 cites·16 claims
- 1783US5826518AHigh velocity integrated flue gas treatment scrubbing systemBABCOCK & WILCOX CO·Filed 1996·Granted Oct 27, 1998·45 cites·6 claims
- 1883US5439658ARegenerable magnesium dry scrubbingBABCOCK & WILCOX CO·Filed 1994·Granted Aug 8, 1995·46 cites·6 claims
- 1983US5215557ADry scrubber with integral particulate collection deviceBABCOCK & WILCOX CO·Filed 1992·Granted Jun 1, 1993·55 cites·14 claims
- 2081US5595713AHydrogen peroxide for flue gas desulfurizationBABCOCK & WILCOX CO·Filed 1994·Granted Jan 21, 1997·37 cites·6 claims
- 2178US3993877AAutomatic dialing equipmentSED SYSTEMS LTD·Filed 1975·Granted Nov 23, 1976·22 cites·14 claims
- 2277US6303083B1Method and system for SO2 and SO3 control by dry sorbent/reagent injection and wet scrubbingBABCOCK & WILCOX CO·Filed 1995·Granted Oct 16, 2001·46 cites·6 claims
- 2375US6143263AMethod and system for SO2 and SO3 control by dry sorbent/reagent injection and wet scrubbingBABCOCK & WILCOX CO·Filed 1994·Granted Nov 7, 2000·36 cites·6 claims
- 2473US9709271B2Thermally controlled combustion systemFLUOR TECH CORP·Filed 2013·Granted Jul 18, 2017·4 cites·12 claims
- 2573US5510094AAmmonia-limestone scrubbing with by-product for use in agricultureBABCOCK & WILCOX CO·Filed 1995·Granted Apr 23, 1996·27 cites·12 claims
- 2671US9492786B2Multi-purpose absorberJOHNSON DENNIS W·Filed 2011·Granted Nov 15, 2016·3 cites·14 claims
- 2771US5634950ABlack liquor gasifierBABCOCK & WILCOX CO·Filed 1995·Granted Jun 3, 1997·21 cites·11 claims
- 2870US6010664AOxidation detection for sulfite/sulfate systemsBABCOCK & WILCOX CO·Filed 1993·Granted Jan 4, 2000·32 cites·11 claims
- 2969US8591844B1Start up catalyst heatingJOHNSON DENNIS W·Filed 2012·Granted Nov 26, 2013·2 cites·20 claims
- 3069US5792238AFine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancementBABCOCK & WILCOX CO·Filed 1995·Granted Aug 11, 1998·30 cites·4 claims
- 3168US5173093ASingle spray level for flue gas desulfurization systemBABCOCK & WILCOX CO·Filed 1991·Granted Dec 22, 1992·24 cites·17 claims
- 3266US8951489B2Cost control for CO2 capturePRIEST JONATHAN·Filed 2012·Granted Feb 10, 2015·3 cites·12 claims
- 3366US5791404AFlooding reduction on a tubular heat exchangerMCDERMOTT TECHNOLOGY INC·Filed 1996·Granted Aug 11, 1998·33 cites·17 claims
- 3465US5846301AFine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancementMCDERMOTT TECHNOLOGY INC·Filed 1997·Granted Dec 8, 1998·26 cites·3 claims
- 3565US5567215AEnhanced heat exchanger flue gas treatment using steam injectionBABCOCK & WILCOX CO·Filed 1994·Granted Oct 22, 1996·23 cites·7 claims
- 3664US9108123B2Steam efficiency with non depletive condensing and adiabatic solvent heatingJOHNSON DENNIS W·Filed 2012·Granted Aug 18, 2015·1 cites·8 claims
- 3764US5534230ASegmented heat exchanger flue gas treatmentBABCOCK & WILCOX CO·Filed 1994·Granted Jul 9, 1996·27 cites·5 claims
- 3863US5271562ADual fluid atomizer exit orifice shield gas supply housingBABCOCK & WILCOX CO·Filed 1993·Granted Dec 21, 1993·31 cites·9 claims
- 3963US5168065AForced oxidation monitoring and control systemBABCOCK & WILCOX CO·Filed 1991·Granted Dec 1, 1992·25 cites·7 claims
- 4062US6726748B2Method of converting a downflow/upflow wet flue gas desulfurization (WFGD) system to an upflow single-loop WFGD systemBABCOCK & WILCOX CO·Filed 2002·Granted Apr 27, 2004·12 cites·15 claims
- 4161US8882896B2Multi-directional outlet transition and hoodJOHNSON DENNIS W·Filed 2011·Granted Nov 11, 2014·1 cites·20 claims
- 4261US6273940B1Mist elimination/air toxic control in a wet scrubber using a condensing heat exchangerBABCOCK & WILCOX CO·Filed 1995·Granted Aug 14, 2001·28 cites·3 claims
- 4361US5520897AMethod of reagent and oxidation air deliveryBABCOCK & WILCOX CO·Filed 1994·Granted May 28, 1996·24 cites·17 claims
- 4461US5281402ACost reduction of wet FGD system with a trayBABCOCK & WILCOX CO·Filed 1993·Granted Jan 25, 1994·24 cites·9 claims
- 4559US5645616ABlack liquor gasifierBABCOCK & WILCOX CO·Filed 1995·Granted Jul 8, 1997·12 cites·10 claims
- 4659US5510087ATwo stage downflow flue gas treatment condensing heat exchangerBABCOCK & WILCOX CO·Filed 1994·Granted Apr 23, 1996·23 cites·6 claims
- 4758US6695018B2Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidationBABCOCK & WILCOX CO·Filed 2002·Granted Feb 24, 2004·5 cites·5 claims
- 4858US5639430ALow pressure drop, turbulent mixing zone dry scrubberBABCOCK & WILCOX CO·Filed 1996·Granted Jun 17, 1997·20 cites·8 claims
- 4957US5651948ALow pressure drop, turbulent mixing zone dry scrubberBABCOCK & WILCOX CO·Filed 1995·Granted Jul 29, 1997·19 cites·1 claims
- 5054US7294322B2Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidationBABCOCK & WILCOX CO·Filed 2003·Granted Nov 13, 2007·3 cites·4 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →