Inventor · disambiguated record
Qian Liu
Also filed as: LIU QIAN · LIU QIAN-SHENG
99 granted patents·138 pending applications·218 citations·filing 2006–2025
99Inventor score
Files withCONTEMPORARY AMPEREX TECHNOLOGY CO LTD51CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD35BOSTON SCIENT SCIMED INC20NANJING CHERVON IND CO LTD16APPLE INC13
Top patents by PatentIndex Score
237 records- 0198US11910752B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2023·Granted Feb 27, 2024·10 cites·20 claims
- 0298US11839177B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2023·Granted Dec 12, 2023·10 cites·20 claims
- 0398US11839178B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2023·Granted Dec 12, 2023·11 cites·20 claims
- 0498US11696531B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2020·Granted Jul 11, 2023·10 cites·19 claims
- 0598US11653598B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2022·Granted May 23, 2023·15 cites·28 claims
- 0695US12342761B2Outdoor moving deviceNANJING CHERVON IND CO LTD·Filed 2023·Granted Jul 1, 2025·2 cites·20 claims
- 0795US11962150B1System and method of protecting power system having inverter-interfaced renewable energy sourcesUNIV NORTH CHINA ELECTRIC POWER·Filed 2023·Granted Apr 16, 2024·4 cites·1 claims
- 0894US12208053B1MassagerDONGGUAN XIWEIER ELECTRONIC TECH CO LTD·Filed 2024·Granted Jan 28, 2025·8 cites·18 claims
- 0994US12132217B2Battery module, battery pack, apparatus, and method and device for manufacturing battery moduleCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Granted Oct 29, 2024·1 cites·16 claims
- 1094US12009659B1System and method of fault analysis of inverter-interfaced renewable energy source considering decoupled sequence controlUNIV NORTH CHINA ELECTRIC POWER·Filed 2023·Granted Jun 11, 2024·3 cites·1 claims
- 1194US11901555B2Battery module, battery pack, and electric apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Granted Feb 13, 2024·2 cites·16 claims
- 1293USD939726SSex toyLIU QIAN·Filed 2021·Granted Dec 28, 2021·29 cites·1 claims
- 1393US10952355B1Apparatus, system, and method for electromagnetic interference mitigation in optical module cagesJUNIPER NETWORKS INC·Filed 2019·Granted Mar 16, 2021·10 cites·10 claims
- 1493US2025063989A1Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2024·Application pending·0 cites
- 1592US11764436B2Battery module, battery pack, electric apparatus, and method and device for manufacturing battery moduleCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Granted Sep 19, 2023·1 cites·15 claims
- 1692US11717001B1Slicing and collecting device for processing frozen meat sheetsUNIV NORTHEAST AGRICULTURAL·Filed 2022·Granted Aug 8, 2023·8 cites·9 claims
- 1792US9648805B2Locking device, telescopic rod and mower comprising the locking deviceCHERVON IP LTD·Filed 2014·Granted May 16, 2017·18 cites·4 claims
- 1891US10485166B2Power toolNANJING CHERVON IND CO LTD·Filed 2015·Granted Nov 26, 2019·11 cites·18 claims
- 1991US2024306548A1Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2024·Application pending·0 cites
- 2090US11690383B1Air-drying device for processing of cured meat productsUNIV NORTHEAST AGRICULTURAL·Filed 2022·Granted Jul 4, 2023·9 cites·10 claims
- 2190US11666954B1Enzymatic hydrolysis device for livestock and poultry slaughter by-productsUNIV NORTHEAST AGRICULTURAL·Filed 2022·Granted Jun 6, 2023·10 cites·9 claims
- 2290US10433478B2Lawn mower and hand pushed power toolCHEVRON HK LTD·Filed 2016·Granted Oct 8, 2019·13 cites·15 claims
- 2389US12364201B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 2489US12364202B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 2589US12356892B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2024·Granted Jul 15, 2025·0 cites·21 claims
- 2689US11865943B2Charging method for secondary battery, charging apparatus for secondary battery, charging device, and computer storage mediumCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Granted Jan 9, 2024·2 cites·20 claims
- 2789US11736227B1Long-range modem schemeAMAZON TECH INC·Filed 2021·Granted Aug 22, 2023·3 cites·20 claims
- 2889US11196046B2Positive active material, preparation process thereof, sodium ion battery and apparatus containing the sameCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Dec 7, 2021·4 cites·21 claims
- 2989US10428479B2SnowthrowerCHERVON HK LTD·Filed 2016·Granted Oct 1, 2019·4 cites·19 claims
- 3087US12317778B2Electric riding lawn mowerNANJING CHERVON IND CO LTD·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 3187US11912436B1Fully automated towing, alignment and hangar system and method for offshore operation helicopterUNIV YANSHAN·Filed 2023·Granted Feb 27, 2024·1 cites·7 claims
- 3287US10892473B2Positive electrode plate and electrochemical batteryCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2018·Granted Jan 12, 2021·2 cites·18 claims
- 3385USD1057869SFitness equipmentYANTAI QIJIAO TRADING CO LTD·Filed 2024·Granted Jan 14, 2025·7 cites·1 claims
- 3485US2024175224A1Snow throwerCHERVON HK LTD·Filed 2024·Application pending·0 cites
- 3584US2025087754A1Non-aqueous electrolyte and secondary battery comprising the sameAPPLE INC·Filed 2024·Application pending·0 cites
- 3684US2025087755A1Secondary battery comprising non-aqueous electrolyteAPPLE INC·Filed 2024·Application pending·0 cites
- 3784US2025087750A1Non-aqueous electrolytes and secondary batteries comprising the sameAPPLE INC·Filed 2024·Application pending·0 cites
- 3884US2025087752A1Non-aqueous electrolytes and secondary batteries comprising the sameAPPLE INC·Filed 2024·Application pending·0 cites
- 3983US2025329788A1Non-aqueous electrolyte and preparation method thereof, and secondary battery and electric apparatus containing sameCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 4081US12288848B2Ionic liquid electrolyte for lithium-ion batteriesUCHICAGO ARGONNE LLC·Filed 2023·Granted Apr 29, 2025·0 cites·19 claims
- 4180US12192847B2Methods and systems for recommending pick-up pointsBEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD·Filed 2022·Granted Jan 7, 2025·1 cites·20 claims
- 4277US12206242B2Power frequency line protection procedureUNIV NORTH CHINA ELECTRIC POWER·Filed 2023·Granted Jan 21, 2025·0 cites·1 claims
- 4377US11784350B2Ionic liquid electrolyte for lithium-ion batteriesUCHICAGO ARGONNE LLC·Filed 2019·Granted Oct 10, 2023·0 cites·12 claims
- 4476US12500310B2Cover assembly, battery cell, battery, electric device, method and apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2022·Granted Dec 16, 2025·0 cites·15 claims
- 4576US12381260B2Non-aqueous electrolyte and preparation method thereof, and secondary battery and electric apparatus containing sameCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Granted Aug 5, 2025·0 cites·20 claims
- 4676US12327865B2Positive electrode active material, method for preparing positive electrode active material, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Granted Jun 10, 2025·0 cites·20 claims
- 4776US12218500B2Short-circuit fault detection method for a power gridUNIV NORTH CHINA ELECTRIC POWER·Filed 2024·Granted Feb 4, 2025·0 cites·1 claims
- 4876US11855297B2Battery unit, battery, and electric apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Granted Dec 26, 2023·0 cites·17 claims
- 4976US11799136B2Hybrid series battery module, battery pack, and electrical apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Granted Oct 24, 2023·0 cites·20 claims
- 5076US2023011274A1Cyano-containing organotrifluoroborate additives for lithium ion batteriesAPPLE INC·Filed 2022·Application pending·0 cites
Showing the top 50 of 237 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →