Inventor · disambiguated record
Subir Roychoudhury
Also filed as: ROYCHOUDHURY SUBIR
46 granted patents·17 pending applications·280 citations·filing 1998–2025
98Inventor score
Files withPREC COMBUSTION INC26ROYCHOUDHURY SUBIR17PRECISION COMBUSTION INC9LYUBOVSKY MAXIM3ETEMAD SHAHROKH1
Top patents by PatentIndex Score
63 records- 0196US7141092B1Regenerable adsorption systemROYCHOUDHURY SUBIR·Filed 2005·Granted Nov 28, 2006·46 cites·19 claims
- 0294US11682781B2Thermally integrated hotbox combining a steam reformer with SOFC stacksPREC COMBUSTION INC·Filed 2022·Granted Jun 20, 2023·2 cites·7 claims
- 0393US10411281B1Thermally integrated solid oxide fuel cell systemPREC COMBUSTION INC·Filed 2018·Granted Sep 10, 2019·6 cites·17 claims
- 0492US9199846B2Process and apparatus for reforming a high sulfur-containing liquid fuelROYCHOUDHURY SUBIR·Filed 2011·Granted Dec 1, 2015·11 cites·19 claims
- 0592US8795398B2Apparatus for vaporizing and reforming liquid fuelsROYCHOUDHURY SUBIR·Filed 2011·Granted Aug 5, 2014·11 cites·6 claims
- 0691US9446365B2Sabatier process and apparatus for controlling exothermic reactionPRECISION COMBUSTION INC·Filed 2014·Granted Sep 20, 2016·6 cites·16 claims
- 0790US10060344B1Spark-ignited internal combustion engine modified for multi-fuel operationPREC COMBUSTION INC·Filed 2015·Granted Aug 28, 2018·6 cites·5 claims
- 0890US9903585B1Catalytic burner with utilization chamberPREC COMBUSTION INC·Filed 2015·Granted Feb 27, 2018·7 cites·20 claims
- 0990US8337757B2Reactor control methodROYCHOUDHURY SUBIR·Filed 2009·Granted Dec 25, 2012·16 cites·12 claims
- 1089US10697915B1Sensor for determining a physicochemical property of a liquid fuelPREC COMBUSTION INC·Filed 2017·Granted Jun 30, 2020·3 cites·7 claims
- 1189US7976594B2Method and system for vaporization of liquid fuelsPRECISION COMBUSTION INC·Filed 2007·Granted Jul 12, 2011·13 cites·13 claims
- 1288US8557189B2Catalytic system for converting liquid fuels into syngasROYCHOUDHURY SUBIR·Filed 2008·Granted Oct 15, 2013·14 cites·10 claims
- 1387US10738996B1Apparatus and method for operating a gas-fired burner on liquid fuelsPREC COMBUSTION INC·Filed 2018·Granted Aug 11, 2020·3 cites·24 claims
- 1487US10001278B1Apparatus and method for operating a gas-fired burner on liquid fuelsPREC COMBUSTION INC·Filed 2015·Granted Jun 19, 2018·6 cites·26 claims
- 1586US9337505B2Process of reforming a sulfur-containing liquid fuelROYCHOUDHURY SUBIR·Filed 2012·Granted May 10, 2016·5 cites·19 claims
- 1685US8439990B2Reactor flow control apparatusROYCHOUDHURY SUBIR·Filed 2009·Granted May 14, 2013·9 cites·14 claims
- 1784US8710106B2Sabatier process and apparatus for controlling exothermic reactionJUNAEDI CHRISTIAN·Filed 2011·Granted Apr 29, 2014·5 cites·17 claims
- 1883US11476484B1Thermally integrated hotbox combining a steam reformer with SOFC stacksPREC COMBUSTION INC·Filed 2019·Granted Oct 18, 2022·1 cites·10 claims
- 1983US11415315B1Two-stage combustorPREC COMBUSTION INC·Filed 2020·Granted Aug 16, 2022·1 cites·19 claims
- 2083US10787959B2Operation of internal combustion engine with improved fuel efficiencyPREC COMBUSTION INC·Filed 2017·Granted Sep 29, 2020·2 cites·26 claims
- 2183US8444951B2Catalytic process and system for converting liquid fuels into syngasROYCHOUDHURY SUBIR·Filed 2010·Granted May 21, 2013·5 cites·11 claims
- 2283US7504047B2Method for improved selectivityPRECISION COMBUSTION INC·Filed 2004·Granted Mar 17, 2009·24 cites·1 claims
- 2377US8479508B2Catalytic burner apparatus for stirling engineROYCHOUDHURY SUBIR·Filed 2010·Granted Jul 9, 2013·6 cites·24 claims
- 2477US8387380B2Catalytic burner apparatus for Stirling EngineROYCHOUDHURY SUBIR·Filed 2009·Granted Mar 5, 2013·9 cites·15 claims
- 2576US11558004B1Two-stage combustor for thermophotovoltaic generatorPREC COMBUSTION INC·Filed 2020·Granted Jan 17, 2023·1 cites·11 claims
- 2675US2024052506A1Substrate for a metal-supported electrochemical cellPREC COMBUSTION INC·Filed 2022·Application pending·0 cites
- 2774US8784515B2In-situ coke removalROYCHOUDHURY SUBIR·Filed 2010·Granted Jul 22, 2014·2 cites·15 claims
- 2874US2025260022A1Corrugated-flat-tubular electrochemical cell and its method of makingPREC COMBUSTION INC·Filed 2025·Application pending·0 cites
- 2973US6328936B1Catalytic reactor for promoting a chemical reaction on a fluid passing therethroughPRECISION COMBUSTION INC·Filed 1999·Granted Dec 11, 2001·36 cites·10 claims
- 3072US8739550B2Two stage combustor with reformerETEMAD SHAHROKH·Filed 2010·Granted Jun 3, 2014·6 cites·13 claims
- 3172US7913484B2Catalytic burner apparatus for stirling enginePRECISION COMBUSTION INC·Filed 2007·Granted Mar 29, 2011·6 cites·6 claims
- 3271US11581553B2Regenerative solid oxide stackPREC COMBUSTION INC·Filed 2021·Granted Feb 14, 2023·0 cites·3 claims
- 3370US11722092B2Two-stage combustor for thermophotovoltaic generatorPREC COMBUSTION INC·Filed 2022·Granted Aug 8, 2023·0 cites·14 claims
- 3470US11011763B2Solid oxide fuel cell with internal reformerPREC COMBUSTION INC·Filed 2017·Granted May 18, 2021·0 cites·25 claims
- 3570US10876472B1Spark-ignited internal combustion engine modified for multi-fuel operationPREC COMBUSTION INC·Filed 2018·Granted Dec 29, 2020·1 cites·16 claims
- 3668US11165073B2Solid oxide electrolysis cell with internal heaterPREC COMBUSTION INC·Filed 2017·Granted Nov 2, 2021·0 cites·22 claims
- 3768US2023051172A1Clad porous metal substrate for electrochemical cellPREC COMBUSTION INC·Filed 2022·Application pending·0 cites
- 3865US12419986B1System for decontamination of a vehicle interiorPREC COMBUSTION INC·Filed 2022·Granted Sep 23, 2025·0 cites·20 claims
- 3965US11454602B2Sensor for determining a physicochemical property of a liquid fuelPREC COMBUSTION INC·Filed 2020·Granted Sep 27, 2022·0 cites·15 claims
- 4065US7964023B2Regenerative sulfur sorptionPRECISION COMBUSTION INC·Filed 2008·Granted Jun 21, 2011·2 cites·20 claims
- 4164US10690340B2Flameless cooking applianceROYCHOUDHURY SUBIR·Filed 2010·Granted Jun 23, 2020·1 cites·13 claims
- 4264US2024055640A1Backbone-structured metal-supported electrochemical cellPREC COMBUSTION INC·Filed 2022·Application pending·0 cites
- 4363US10978722B2Regenerative solid oxide stackPREC COMBUSTION INC·Filed 2017·Granted Apr 13, 2021·0 cites·22 claims
- 4462US12103365B1System for dehumidification of a vehicle interiorPREC COMBUSTION INC·Filed 2022·Granted Oct 1, 2024·0 cites·21 claims
- 4561US11760629B1Refinery gas processing methodPREC COMBUSTION INC·Filed 2021·Granted Sep 19, 2023·0 cites·18 claims
- 4659US9102531B2Reactor control methodROYCHOUDHURY SUBIR·Filed 2012·Granted Aug 11, 2015·0 cites·10 claims
- 4755US2016257563A1Process and apparatus for reforming a high sulfur-containing liquid fuelPRECISION COMBUSTION INC·Filed 2015·Application pending·0 cites
- 4854US11973249B2Integrated power generation systemPREC COMBUSTION INC·Filed 2019·Granted Apr 30, 2024·0 cites·22 claims
- 4949US2009252661A1Fuel reformerROYCHOUDHURY SUBIR·Filed 2008·Application pending·0 cites
- 5048US2008044347A1Onboard reforming of fuel and production of hydrogenROYCHOUDHURY SUBIR·Filed 2007·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →