Inventor · disambiguated record
Ritwik Chowdhury
Also filed as: CHOWDHURY RITWIK
18 granted patents·1 pending application·23 citations·filing 2018–2023
89Inventor score
Files withSCHWEITZER ENGINEERING LAB INC19
Top patents by PatentIndex Score
19 records- 0196US10819261B1Security improvements for electric power generator protectionSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Oct 27, 2020·4 cites·20 claims
- 0293US10333291B2Multiple generator ground fault detectionSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted Jun 25, 2019·6 cites·20 claims
- 0390US11946966B1Selective stator ground fault protection using positive-sequence voltage referenceSCHWEITZER ENGINEERING LAB INC·Filed 2023·Granted Apr 2, 2024·2 cites·20 claims
- 0484US11631972B2Accurate modeling of equipment overexcitation damage curvesSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Apr 18, 2023·1 cites·22 claims
- 0584US10931097B2Generator stator ground protection using third harmonicSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted Feb 23, 2021·3 cites·20 claims
- 0681US10797632B2Sensitive directional element for generator protectionSCHWEITZER ENGINEERING LAB INC·Filed 2019·Granted Oct 6, 2020·2 cites·20 claims
- 0781US10578653B2Overexcitation protection for electric power system equipmentSCHWEITZER ENGINEERING LAB INC·Filed 2018·Granted Mar 3, 2020·2 cites·19 claims
- 0879US11316455B2Generator rotor turn-to-turn fault detection using fractional harmonicsSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Apr 26, 2022·1 cites·20 claims
- 0973US11177645B2Systems and methods for improving restricted earth fault protectionSCHWEITZER ENGINEERING LAB INC·Filed 2019·Granted Nov 16, 2021·2 cites·19 claims
- 1069US12249948B2Split-phase protection of generatorsSCHWEITZER ENGINEERING LAB INC·Filed 2022·Granted Mar 11, 2025·0 cites·18 claims
- 1167US12176716B2Line reactor protection security using local frequency measurementSCHWEITZER ENGINEERING LAB INC·Filed 2023·Granted Dec 24, 2024·0 cites·20 claims
- 1265US11996688B2Method of controlled switching for transformers using transformer residual fluxSCHWEITZER ENGINEERING LAB INC·Filed 2021·Granted May 28, 2024·0 cites·20 claims
- 1364US12316112B2Breaker control units and related systems and methodsSCHWEITZER ENGINEERING LAB INC·Filed 2022·Granted May 27, 2025·0 cites·19 claims
- 1464US11233389B1Controlled three-pole close for transformersSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Jan 25, 2022·0 cites·20 claims
- 1559US11575253B2Controlled three-pole close for transmission linesSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Feb 7, 2023·0 cites·17 claims
- 1658US2025132599A1Adaptive protective relay event reportsSCHWEITZER ENGINEERING LAB INC·Filed 2023·Application pending·0 cites
- 1753US11476655B2Trapped charge estimationSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Oct 18, 2022·0 cites·19 claims
- 1851US11411390B2Secure and dependable restricted earth fault protection for electric power generators and transformersSCHWEITZER ENGINEERING LAB INC·Filed 2020·Granted Aug 9, 2022·0 cites·20 claims
- 1942US11735908B2Dependable open-phase detection in electric power delivery systems with inverter-based resourcesSCHWEITZER ENGINEERING LAB INC·Filed 2022·Granted Aug 22, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →