XD

Xinfa Du

TC T-Max (Hangzhou) Technology, Co.: 27 patents #1 of 25Top 4%
TC T-Max (Hangzhou) Industrial Co.: 4 patents #3 of 9Top 35%
Overall (All Time): #115,983 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12410824 Hydraulic oil-circuit system and hydraulic jack Yongyong ZHAN, Songfeng Wang, Binhao Ruan 2025-09-09
12304430 Electric step device and vehicle having same Qi Zhang, Linjie Xu, Yiming Wang, Tao He, Xing Fan +1 more 2025-05-20
12115940 Vehicle and vehicle step apparatus with multiple drive motors Qi Zhang, Yiming Wang 2024-10-15
12103828 Winch, rope guide and transmission device having clutch function Yongyong ZHAN, Songfeng Wang, Yiming Wang, Tao He, Hongliang Xu 2024-10-01
12083994 Step mounting mechanism and motorized device Qi Zhang, Linjie Xu, Songfeng Wang 2024-09-10
12084323 Winch, rope guide and transmission device having clutch function Yongyong ZHAN, Songfeng Wang, Yiming Wang, Tao He, Hongliang Xu 2024-09-10
12017614 Vehicle, running board assembly and drive assembly for running board Qi Zhang, Songfeng Wang 2024-06-25
11881063 Management apparatus for a vehicle device, vehicle and server Xing Fan, Shaoqi Ma, Yinghuan Kou 2024-01-23
11713223 Winch, rope guide and transmission device having clutch function Yongyong ZHAN, Songfeng Wang, Yiming Wang, Tao He, Hongliang Xu 2023-08-01
11702012 Vehicle running board apparatus and retractable device thereof Qi Zhang, Songfeng Wang, Yongyong ZHAN, Yiming Wang, Tao He +1 more 2023-07-18
11584387 Step apparatus for vehicle and vehicle Qi Zhang, Yiming Wang, Xing Fan, Linjie Xu 2023-02-21
11577654 Vehicle, running board assembly and drive assembly for running board Qi Zhang, Songfeng Wang 2023-02-14
11505128 Foot step for vehicle and vehicle Yiming Wang 2022-11-22
11414017 Vehicle step apparatus and vehicle Zhaobo Qing, Huizhong Yang, Qi Zhang, Songfeng Wang, Xing Fan +3 more 2022-08-16
11376918 Adjustment device, adjustor and shock absorber Yongyong ZHAN, Songfeng Wang, Yiming Wang, Hongliang Xu, Tao He 2022-07-05
11318889 Vehicle, running board assembly and drive assembly for running board Qi Zhang, Songfeng Wang 2022-05-03
11292390 Vehicle, running board assembly and drive assembly for running board Qi Zhang, Songfeng Wang 2022-04-05
11208043 Vehicle and vehicle step apparatus with multiple drive motors Qi Zhang, Yiming Wang 2021-12-28
11198394 Vehicle running board apparatus and retractable device thereof Qi Zhang, Songfeng Wang, Yongyong ZHAN, Yiming Wang, Tao He +1 more 2021-12-14
11021108 Vehicle and vehicle step apparatus with multiple drive motors Qi Zhang, Yiming Wang 2021-06-01
10821904 Vehicle and running board device for vehicle Xing Fan 2020-11-03
10682960 Vehicle, running board assembly and drive assembly for running board Qi Zhang, Songfeng Wang 2020-06-16
10618472 Vehicle and vehicle step apparatus with multiple drive motors Qi Zhang, Yiming Wang 2020-04-14
10479278 Vehicle and vehicle step apparatus Qi Zhang, Yiming Wang 2019-11-19
10384614 Vehicle, running board assembly and drive assembly for running board Qi Zhang, Songfeng Wang 2019-08-20