Inventor · disambiguated record
Huanzhang Liu
Also filed as: LIU HUANZHANG
5 granted patents·2 pending applications·1 citations·filing 2015–2020
59Inventor score
Files withCHINA ELECTRIC POWER RES INSTITUTE COMPANY LIMITED4CHINA ELECTRIC POWER RES INST2STATE GRID CORP CHINA1
Top patents by PatentIndex Score
7 records- 0162US10605852B2Concomitant impedance protection method for half-wavelength transmission lineCHINA ELECTRIC POWER RES INSTITUTE COMPANY LIMITED·Filed 2016·Granted Mar 31, 2020·1 cites·7 claims
- 0242US11742652B2Method and device for starting direct-current (DC) transmission line protection, and storage mediumCHINA ELECTRIC POWER RES INST·Filed 2019·Granted Aug 29, 2023·0 cites·9 claims
- 0339US2022413031A1Line double-end steady-state quantity distance measuring method and system based on amplitude-comparison principleCHINA ELECTRIC POWER RES INSTITUTE COMPANY LIMITED·Filed 2020·Application pending·0 cites
- 0437US10778003B2Method of free wave energy protection for half-wavelength line based on one sided currentCHINA ELECTRIC POWER RES INSTITUTE COMPANY LIMITED·Filed 2016·Granted Sep 15, 2020·0 cites·6 claims
- 0534US11973340B2Direct-current transmission line protection method and system based on pure current characteristicsCHINA ELECTRIC POWER RES INST·Filed 2020·Granted Apr 30, 2024·0 cites·20 claims
- 0630US10985547B2Current differential protection method for self-adaptive half-wavelength line based on time-difference methodCHINA ELECTRIC POWER RES INSTITUTE COMPANY LIMITED·Filed 2016·Granted Apr 20, 2021·0 cites·8 claims
- 0730US2017317489A1Method For Overcoming Influence Of Out-Flowing Current On Bus Differential ProtectionSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →