Inventor · disambiguated record
Yonggang Liu
Also filed as: LIU YONGGANG
11 granted patents·2 pending applications·5 citations·filing 2004–2025
79Inventor score
Files withCHINA NAT PETROLEUM CORP3CRRC QINGDAO SIFANG CO LTD2LIU YONGGANG2CHEN LIJUN1Foshan Xianhu Laboratory1
Top patents by PatentIndex Score
13 records- 0180US10406870B2Automatic locking device for snow skid chainsCHEN LIJUN·Filed 2017·Granted Sep 10, 2019·1 cites·8 claims
- 0276US10730145B2Beam structure and hybrid welding method thereofCRRC QINGDAO SIFANG CO LTD·Filed 2017·Granted Aug 4, 2020·3 cites·9 claims
- 0355US12476465B1Method for power distribution control in microgrid system integrating electricity, hydrogen, and ammonia, and deviceFoshan Xianhu Laboratory·Filed 2025·Granted Nov 18, 2025·0 cites·8 claims
- 0455US8933600B2Brushless DC motor structure having a fan radiator for dissipating heat from the motor and the controllerLIU YONGGANG·Filed 2011·Granted Jan 13, 2015·1 cites·4 claims
- 0545US10704545B2Electric inflatorGUANGDONG TRAVELMALL HEALTH TECH CO LTD·Filed 2018·Granted Jul 7, 2020·0 cites·14 claims
- 0644US11674570B1Self-adaptive heavy-duty gear transmission walking deviceXUZHOU XCMG DRIVELINE TECH CO LTD·Filed 2022·Granted Jun 13, 2023·0 cites·10 claims
- 0742US12127051B2Device, method, apparatus and computer readable medium for inter-master node handoverNOKIA TECHNOLOGIES OY·Filed 2019·Granted Oct 22, 2024·0 cites·13 claims
- 0841US2020324371A1Process Method for Improving Welding Seam Quality of Laser Lap WeldingCRRC QINGDAO SIFANG CO LTD·Filed 2017·Application pending·0 cites
- 0939US10196863B2Connection structure between pipe body and steel joint of aluminum alloy drill pipeCHINA NAT PETROLEUM CORP·Filed 2015·Granted Feb 5, 2019·0 cites·12 claims
- 1039US2006123499A1Civet animal model system for Severe Acute Respiratory Syndrome (SARS) coronavirus infection and uses thereofWU DONGLAI·Filed 2004·Application pending·0 cites
- 1138US10036213B2Connection structure between pipe body and joint of aluminum alloy drill pipeCHINA NAT PETROLEUM CORP·Filed 2015·Granted Jul 31, 2018·0 cites·7 claims
- 1237US9018808B2Rotor assemblyLIU YONGGANG·Filed 2011·Granted Apr 28, 2015·0 cites·5 claims
- 1333US10184596B2Connection structure between pipe body and joint of aluminum alloy drill pipeCHINA NAT PETROLEUM CORP·Filed 2015·Granted Jan 22, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →