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Weirong Liu

BC Beijing Orient Vacuum Electric Co.: 1 patents #2 of 4Top 50%
Overall (All Time): #554,941 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11314256 Mechanical transmission control method and system for use with intelligent wheelchair Jiaxin Li, Yin Jiao, Li Yan, Dong Dong, Yifeng Huang 2022-04-26
D948410 Operating platform Jiaxin Li, Yin Jiao, Li Yan 2022-04-12
11294379 Systems and methods for controlling intelligent wheelchair Yin Jiao, Jiaxin Li 2022-04-05
11231711 Systems and methods for surrounding information acquisition and feedback for intelligent wheelchairs Jiaxin Li, Yin Jiao, Li Yan, Dong Dong, Yifeng Huang 2022-01-25
D920161 Car Jiaxin Li, Yin Jiao, Xiangguo Meng, Li Yan 2021-05-25
11004632 Vacuum arc extinguishing chamber contact, vacuum arc extinguishing chamber and vacuum circuit breaker Xin-Ru Chang 2021-05-11
D912574 Car Jiaxin Li, Yin Jiao, Li Yan 2021-03-09
D912584 Handrail Jiaxin Li, Yin Jiao, Li Yan 2021-03-09
D883862 Electric wheelchair Yin Jiao, Li Yan, Jiaxin Li 2020-05-12