Inventor · disambiguated record
Guolin Yu
Also filed as: YU GUOLIN
59 granted patents·1 pending application·282 citations·filing 2011–2024
98Inventor score
Files withNINGBO WELL ELECTRIC APPLIANCE CO LTD44NINGBO WELL ELECTRIC APPLANCE CO LTD14HUBEI TRI RING FORGING CO LTD1YU GUOLIN1
Top patents by PatentIndex Score
60 records- 0190USD872696SExtension cordNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2018·Granted Jan 14, 2020·34 cites·1 claims
- 0288USD1060263SUniversal surge protectorNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted Feb 4, 2025·10 cites·1 claims
- 0388USD1060264SUniversal surge protectorNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted Feb 4, 2025·10 cites·1 claims
- 0488US10408392B2Outdoor lamp holder and outdoor lamp string using sameNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted Sep 10, 2019·7 cites·10 claims
- 0585US10006596B2Color changing light and related light chain thereofNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2016·Granted Jun 26, 2018·15 cites·17 claims
- 0682US10714862B1Electrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jul 14, 2020·5 cites·11 claims
- 0781USD978445SLamp holderNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2021·Granted Feb 14, 2023·7 cites·1 claims
- 0881USD821978SElectrical socketNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted Jul 3, 2018·20 cites·1 claims
- 0980USD1074604SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted May 13, 2025·7 cites·1 claims
- 1078USD1074608SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted May 13, 2025·6 cites·1 claims
- 1178USD979830SLamp holderNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2021·Granted Feb 28, 2023·6 cites·1 claims
- 1278US11316301B2Electrical connection assemblyNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Apr 26, 2022·1 cites·11 claims
- 1376USD817887SElectrical socketNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted May 15, 2018·16 cites·1 claims
- 1476US9949340B2Color changing light and controlling method and apparatus thereofNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted Apr 17, 2018·2 cites·11 claims
- 1575US10714870B1Electrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jul 14, 2020·3 cites·11 claims
- 1674USD990013SWork lampNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Jun 20, 2023·5 cites·1 claims
- 1774USD957343SMulti-socket hubNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Jul 12, 2022·5 cites·1 claims
- 1873USD1032535SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2022·Granted Jun 25, 2024·4 cites·1 claims
- 1971USD844566SElectrical socket with USB chargingNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted Apr 2, 2019·13 cites·1 claims
- 2071USD817888SElectrical socket with coverNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted May 15, 2018·13 cites·1 claims
- 2170US10897113B1Lamp cap and lamp holder thereofNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jan 19, 2021·2 cites·9 claims
- 2270USD908094SMulti-socket hubNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jan 19, 2021·11 cites·1 claims
- 2367US12413029B2Rotary electrical plugNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted Sep 9, 2025·0 cites·10 claims
- 2467US12394952B2Screw lamp cap and screw lamp socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2022·Granted Aug 19, 2025·0 cites·16 claims
- 2567USD978399SWork lampNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Feb 14, 2023·3 cites·1 claims
- 2664USD938916SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Dec 21, 2021·3 cites·1 claims
- 2761USD978415SLamp holderNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2021·Granted Feb 14, 2023·2 cites·1 claims
- 2859USD926601STimerNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Aug 3, 2021·6 cites·1 claims
- 2958USD926698SElectrical plugNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Aug 3, 2021·6 cites·1 claims
- 3057USD890100SLamp holderNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2019·Granted Jul 14, 2020·6 cites·1 claims
- 3156USD1074606SElectrical plugNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted May 13, 2025·1 cites·1 claims
- 3256USD964289SPlug retention apparatusNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Sep 20, 2022·2 cites·1 claims
- 3356USD753064SPlug and socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2014·Granted Apr 5, 2016·8 cites·1 claims
- 3454USD920920SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jun 1, 2021·5 cites·1 claims
- 3554USD817886SElectrical plugNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted May 15, 2018·6 cites·1 claims
- 3653USD1071868SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2023·Granted Apr 22, 2025·1 cites·1 claims
- 3752USD905322SLampNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Dec 15, 2020·4 cites·1 claims
- 3850USD896760SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Sep 22, 2020·4 cites·1 claims
- 3950USD884256SLampshadeNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2018·Granted May 12, 2020·4 cites·1 claims
- 4050US2023066965A1Mounting assembly for electrical boxNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2021·Application pending·0 cites
- 4148USD938915SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2020·Granted Dec 21, 2021·1 cites·1 claims
- 4248USD922217STimerNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jun 15, 2021·3 cites·1 claims
- 4347USD922216STimerNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Jun 15, 2021·3 cites·1 claims
- 4447USD844565SElectrical socketNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2017·Granted Apr 2, 2019·4 cites·1 claims
- 4547US8585434B2Power socketYU GUOLIN·Filed 2011·Granted Nov 19, 2013·2 cites·10 claims
- 4645USD869739SLampshadeNINGBO WELL ELECTRIC APPLANCE CO LTD·Filed 2018·Granted Dec 10, 2019·3 cites·1 claims
- 4743USD1099041SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2024·Granted Oct 21, 2025·0 cites·1 claims
- 4843USD1098035SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
- 4943US11239619B2Wire connecting device and method thereofNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2019·Granted Feb 1, 2022·0 cites·8 claims
- 5041USD1098032SElectrical socketNINGBO WELL ELECTRIC APPLIANCE CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →