Inventor · disambiguated record
Rangaraj S. Sundar
Also filed as: SUNDAR RANGARAJ · SUNDAR RANGARAJ S
73 granted patents·52 pending applications·301 citations·filing 2001–2025
99Inventor score
Files withALTRIA CLIENT SERVICES LLC108PHILIP MORRIS USA INC11Altrica Client Services LLC1BELLAMAH STEPHEN J1CHRYSALIS TECH INC1
Top patents by PatentIndex Score
125 records- 0198US11918046B2Cartridge and e-vaping device with serpentine heaterALTRIA CLIENT SERVICES LLC·Filed 2023·Granted Mar 5, 2024·2 cites·18 claims
- 0298US11602017B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2022·Granted Mar 7, 2023·3 cites·12 claims
- 0398US11363681B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Jun 14, 2022·9 cites·9 claims
- 0498US11197500B2Cartridge and e-vaping device with serpentine heaterALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Dec 14, 2021·7 cites·16 claims
- 0598US11053395B2Corrosion-resistant reservoir for an e-vaping device and method of manufacturing thereofALTRIA CLIENT SERVICES LLC·Filed 2017·Granted Jul 6, 2021·7 cites·32 claims
- 0698US10881151B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Jan 5, 2021·9 cites·16 claims
- 0798US10786005B2Cartridge and e-vaping device with serpentine heaterALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Sep 29, 2020·9 cites·19 claims
- 0898US10143239B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2018·Granted Dec 4, 2018·24 cites·21 claims
- 0997US11924928B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2023·Granted Mar 5, 2024·2 cites·11 claims
- 1097US10342265B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2018·Granted Jul 9, 2019·18 cites·19 claims
- 1197US10285450B2Cartridge and e-vaping device with serpentine heaterALTRIA CLIENT SERVICES LLC·Filed 2018·Granted May 14, 2019·19 cites·28 claims
- 1296US11751606B2Heating engine control algorithm for non-nicotine e-vapor deviceALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Sep 12, 2023·4 cites·21 claims
- 1395US11918050B2Hot wire anemometer air flow measurement, puff detection and ambient temperature trackingALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Mar 5, 2024·3 cites·20 claims
- 1495US11910838B2Hot wire anemometer air flow measurement, puff detection and ambient temperature trackingALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Feb 27, 2024·3 cites·20 claims
- 1595US11882883B2Apparatus and method for assembling a heater assembly for a non-nicotine pod assemblyALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Jan 30, 2024·4 cites·19 claims
- 1695US11882884B2Apparatus and method for assembling a heater assembly for a nicotine pod assemblyALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Jan 30, 2024·4 cites·19 claims
- 1794US10051894B2Cartridge and e-vaping device with serpentine heaterAltrica Client Services LLC·Filed 2016·Granted Aug 21, 2018·20 cites·24 claims
- 1893US11653704B2Heating engine control circuits and nicotine electronic vaping devices including the sameALTRIA CLIENT SERVICES LLC·Filed 2020·Granted May 23, 2023·2 cites·28 claims
- 1993US6946097B2High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applicationsPHILIP MORRIS USA INC·Filed 2002·Granted Sep 20, 2005·26 cites·36 claims
- 2093US6685882B2Iron-cobalt-vanadium alloyCHRYSALIS TECH INC·Filed 2001·Granted Feb 3, 2004·41 cites·23 claims
- 2193US2025089769A1Cartridge and e-vaping device with serpentine heaterALTRIA CLIENT SERVICES LLC·Filed 2024·Application pending·0 cites
- 2293US2025098033A1Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2024·Application pending·0 cites
- 2392US12193487B2Cartridge and e-vaping device with serpentine heaterALTRIA CLIENT SERVICES LLC·Filed 2024·Granted Jan 14, 2025·0 cites·20 claims
- 2492US12200828B2Cartridge and e-vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2024·Granted Jan 14, 2025·0 cites·20 claims
- 2592US11596172B2Non-nicotine pod assemblies and non-nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2019·Granted Mar 7, 2023·6 cites·21 claims
- 2691US11528938B2Non-nicotine pod assemblies and non-nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2019·Granted Dec 20, 2022·8 cites·21 claims
- 2790US11576432B2Nicotine pod assemblies and nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2019·Granted Feb 14, 2023·8 cites·20 claims
- 2890US11490656B2Nicotine pod assemblies and nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2019·Granted Nov 8, 2022·7 cites·21 claims
- 2988US11666101B2Heating engine control circuits and non-nicotine electronic vaping devices including the sameALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Jun 6, 2023·2 cites·28 claims
- 3088US8360073B2Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smokePHILIP MORRIS USA INC·Filed 2010·Granted Jan 29, 2013·5 cites·13 claims
- 3187US12349728B2Heat-not-burn (HNB) aerosol-generating devices and capsulesALTRIA CLIENT SERVICES LLC·Filed 2024·Granted Jul 8, 2025·0 cites·20 claims
- 3287US11910826B2Heat-not-burn (HNB) aerosol-generating devices and capsulesALTRIA CLIENT SERVICES LLC·Filed 2021·Granted Feb 27, 2024·1 cites·19 claims
- 3387US11528939B2Non-nicotine pod assemblies and non-nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2019·Granted Dec 20, 2022·5 cites·24 claims
- 3486US12438383B2Charging systems for aerosol-generating devicesALTRIA CLIENT SERVICES LLC·Filed 2022·Granted Oct 7, 2025·1 cites·18 claims
- 3586US12336571B2Hot wire anemometer air flow measurement, puff detection and ambient temperature trackingALTRIA CLIENT SERVICES LLC·Filed 2024·Granted Jun 24, 2025·0 cites·17 claims
- 3686US12329208B2Hot wire anemometer air flow measurement, puff detection and ambient temperature trackingALTRIA CLIENT SERVICES LLC·Filed 2024·Granted Jun 17, 2025·0 cites·17 claims
- 3786US12291650B2Corrosion-resistant reservoir for an e-vaping device and method of manufacturing thereofALTRIA CLIENT SERVICES LLC·Filed 2023·Granted May 6, 2025·0 cites·15 claims
- 3886US2025344769A1Apparatus and method for assembling a heater assembly for a non-nicotine pod assemblyALTRIA CLIENT SERVICES LLC·Filed 2025·Application pending·0 cites
- 3986US2025089779A1Nicotine pod assemblies and nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2024·Application pending·0 cites
- 4086US2025098754A1Non-nicotine pod assemblies and non-nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2024·Application pending·0 cites
- 4186US2025089775A1Nicotine pod assemblies and nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2024·Application pending·0 cites
- 4285US12458063B2Capsules including internal heaters, heat-not-burn (HNB) aerosol-generating devices, and methods of generating an aerosolALTRIA CLIENT SERVICES LLC·Filed 2023·Granted Nov 4, 2025·0 cites·25 claims
- 4385US11484062B2Nicotine pod assemblies and nicotine e-vaping devicesALTRIA CLIENT SERVICES LLC·Filed 2019·Granted Nov 1, 2022·4 cites·24 claims
- 4484US12453378B2Heating engine control algorithm for non-nicotine e-vapor deviceALTRIA CLIENT SERVICES LLC·Filed 2023·Granted Oct 28, 2025·0 cites·11 claims
- 4584US11882872B2Capsules, heat-not-burn (HNB) aerosol-generating devices, and methods of generating an aerosolALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Jan 30, 2024·1 cites·22 claims
- 4684US9648907B2Virtual reality smoking systemKOBAL GERD·Filed 2005·Granted May 16, 2017·13 cites·16 claims
- 4784US7776259B2High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applicationsPHILIP MORRIS USA INC·Filed 2005·Granted Aug 17, 2010·3 cites·14 claims
- 4884US2025106949A1Folded heater for electronic vaping deviceALTRIA CLIENT SERVICES LLC·Filed 2024·Application pending·0 cites
- 4983US12439975B2Apparatus and method for assembling a heater assembly for a non-nicotine pod assemblyALTRIA CLIENT SERVICES LLC·Filed 2023·Granted Oct 14, 2025·0 cites·18 claims
- 5083US11793237B2Heating engine control algorithm for nicotine e-vapor deviceALTRIA CLIENT SERVICES LLC·Filed 2020·Granted Oct 24, 2023·1 cites·15 claims
Showing the top 50 of 125 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →