Inventor · disambiguated record
Chad L. Felch
Also filed as: FELCH CHAD · FELCH CHAD L
29 granted patents·15 pending applications·98 citations·filing 2004–2025
95Inventor score
Files withSIEMENS ENERGY INC21FELCH CHAD L7LUMMUS TECHNOLOGY INC5SAUDI ARABIAN OIL CO4CONNER WILLIAM G1
Top patents by PatentIndex Score
44 records- 0191US8551341B2Suspended media membrane biological reactor system including suspension system and multiple biological reactor zonesCONNER WILLIAM G·Filed 2010·Granted Oct 8, 2013·20 cites·51 claims
- 0290US9630867B2Treatment of spent caustic wasteSIEMENS ENERGY INC·Filed 2014·Granted Apr 25, 2017·6 cites·20 claims
- 0388US9315401B2Wet air oxidation process using recycled copper catalystSIEMENS ENERGY INC·Filed 2013·Granted Apr 19, 2016·6 cites·9 claims
- 0488US8501011B2Wet air oxidation process using recycled catalystFELCH CHAD L·Filed 2008·Granted Aug 6, 2013·15 cites·24 claims
- 0586US8501149B2H2S conversion to sulfur using a regenerated iodine solutionFELCH CHAD L·Filed 2012·Granted Aug 6, 2013·5 cites·20 claims
- 0684US7993588B2Catalytic wet oxidation systems and methodsSIEMENS INDUSTRY INC·Filed 2006·Granted Aug 9, 2011·11 cites·5 claims
- 0783US10189723B2Multi-media stratified filtrationSIEMENS ENERGY INC·Filed 2015·Granted Jan 29, 2019·3 cites·11 claims
- 0883US10053375B2Methods and systems for treating spent caustic and regenerating mediaSIEMENS ENERGY INC·Filed 2013·Granted Aug 21, 2018·6 cites·10 claims
- 0983US8828351B2H2S conversion to sulfur using a regenerated iodine solutionSIEMENS ENERGY INC·Filed 2013·Granted Sep 9, 2014·3 cites·17 claims
- 1081US9580335B2Water treatment apparatus incorporating walnut shell filter media and a draft tube systemSIEMENS ENERGY INC·Filed 2014·Granted Feb 28, 2017·5 cites·3 claims
- 1176US8734648B2Treatment of spent caustic wasteKUMFER BRYAN J·Filed 2008·Granted May 27, 2014·6 cites·19 claims
- 1275US9782694B2Composite media for water treatment processes and methods of using sameSIEMENS ENERGY INC·Filed 2014·Granted Oct 10, 2017·2 cites·21 claims
- 1375US8747667B2Water filter apparatus incorporating walnut shell filter media and a draft tube systemFELCH CHAD L·Filed 2009·Granted Jun 10, 2014·5 cites·7 claims
- 1473US9096447B2Water treatment system with carbon regeneration circuitFELCH CHAD L·Filed 2013·Granted Aug 4, 2015·3 cites·20 claims
- 1571US10472301B2Catalytic systems and methods for process stream treatmentSIEMENS ENERGY INC·Filed 2019·Granted Nov 12, 2019·0 cites·17 claims
- 1670US2025122111A1Wet air oxidation of wastewater sludge solidsLUMMUS TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 1766US2025376400A1Integration of water treatment and wet air regeneration methods for the destruction of per- and polyfluorinated alkyl substances (pfas)LUMMUS TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 1865US10301207B2Non-scaling wet air oxidation processSIEMENS ENERGY INC·Filed 2018·Granted May 28, 2019·0 cites·8 claims
- 1962US2024417287A1Enhanced electro-oxidation systemLUMMUS TECHNOLOGY INC·Filed 2022·Application pending·0 cites
- 2061US12415738B2Fluorocarbon destruction methodLUMMUS TECHNOLOGY INC·Filed 2021·Granted Sep 16, 2025·0 cites·10 claims
- 2161US7850822B2System and method of wet oxidation of a viscose process streamSIEMENS WATER TECH HOLDG CORP·Filed 2004·Granted Dec 14, 2010·2 cites·5 claims
- 2260US10246382B2Catalytic systems and methods for process stream treatmentSIEMENS ENERGY INC·Filed 2015·Granted Apr 2, 2019·0 cites·9 claims
- 2358US2025243097A1Integration of wet air oxidation and electro-oxidation methods for the destruction of per- and polyfluorinated alkyl substances (pfas)LUMMUS TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 2457US10654737B2Systems and processes for treatment of high total dissolved solids wastewaterSIEMENS ENERGY INC·Filed 2017·Granted May 19, 2020·0 cites·20 claims
- 2557US2015210573A1Suspended media membrane biological reactor system including suspension systemSAUDI ARABIAN OIL CO·Filed 2015·Application pending·0 cites
- 2657US2015210572A1Suspended media membrane biological reactor process including multiple biological reactor zonesSAUDI ARABIAN OIL CO·Filed 2015·Application pending·0 cites
- 2757US2015210571A1Suspended media membrane biological reactor process including suspension systemSAUDI ARABIAN OIL CO·Filed 2015·Application pending·0 cites
- 2857US2023250004A1Wet air oxidation system with shell and tube heat exchangerSIEMENS ENERGY INC·Filed 2021·Application pending·0 cites
- 2957US2015232358A1Suspended media membrane biological reactor system including multiple biological reactor zonesSAUDI ARABIAN OIL CO·Filed 2015·Application pending·0 cites
- 3056US10099953B2Non-scaling wet air oxidation systemSIEMENS ENERGY INC·Filed 2015·Granted Oct 16, 2018·0 cites·9 claims
- 3155US9193613B2pH control to enable homogeneous catalytic wet air oxidationSIEMENS ENERGY INC·Filed 2013·Granted Nov 24, 2015·0 cites·20 claims
- 3255US8460557B2Catalytic wet oxidation systems and methodsFELCH CHAD L·Filed 2011·Granted Jun 11, 2013·0 cites·22 claims
- 3354US10618032B2Low temperature wet air oxidationSIEMENS ENERGY INC·Filed 2017·Granted Apr 14, 2020·0 cites·20 claims
- 3454US10550009B2Systems and processes for the treatment of waste streams allowing direct activated carbon and membrane contactSIEMENS ENERGY INC·Filed 2017·Granted Feb 4, 2020·0 cites·18 claims
- 3553US8114297B2Wet oxidation of sootFELCH CHAD L·Filed 2006·Granted Feb 14, 2012·0 cites·8 claims
- 3651US8753524B2Composite media for water treatment processes and methods of using sameFELCH CHAD L·Filed 2012·Granted Jun 17, 2014·0 cites·35 claims
- 3749US11571638B2Methods and systems for enhanced dissolved gas floatationSIEMENS ENERGY INC·Filed 2018·Granted Feb 7, 2023·0 cites·18 claims
- 3849US2014251806A1Water treatment arrangement for steam-assisted oil production operationSIEMENS ENERGY INC·Filed 2014·Application pending·0 cites
- 3948US2011079560A1Catalytic wet oxidation systems and methodsSIEMENS WATER TECH CORP·Filed 2009·Application pending·0 cites
- 4045US2020131053A1Use of composite media for treatment of produced water from chemical enhanced oil recoverySIEMENS ENERGY INC·Filed 2018·Application pending·0 cites
- 4144US11131173B2Pump system for gas entrainmentSIEMENS ENERGY INC·Filed 2020·Granted Sep 28, 2021·0 cites·18 claims
- 4244US2005171390A1Wet oxidation process and systemUNITED STATES FILTER CORP·Filed 2004·Application pending·0 cites
- 4342US2013008858A1Systems and Methods for Process Stream TreatmentHOWDESHELL MICHAEL·Filed 2007·Application pending·0 cites
- 4439US2018078880A1Filter bed backwash system and process with recycled gasSIEMENS ENERGY INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →