WZ

Wanquan Zhu

WA Wonderland Switzerland Ag: 12 patents #27 of 150Top 20%
WL Wonderland Nurserygoods Company Limited: 6 patents #36 of 131Top 30%
NB Nuna International B.V.: 1 patents #14 of 23Top 65%
📍 Steinhausen, CH: #6 of 79 inventorsTop 8%
Overall (All Time): #227,682 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12221151 Seat and stroller 2025-02-11
12208832 Foldable backrest structure and child carrier therewith Hongbin Xu, Zhengwen GUO 2025-01-28
12179827 Stroller 2024-12-31
12024218 Baby carriage brake mechanism and baby carriage having the same Zhengwen GUO 2024-07-02
11993302 Wheeled carrying apparatus Leilei Zheng, Zheng-Wen Guo, Er Xue Wang, Mingxing Sun, Shoufeng Hu 2024-05-28
11827266 Braking mechanism and baby carriage 2023-11-28
11820415 Stroller 2023-11-21
11643128 Baby carriage brake mechanism and baby carriage having the same Zhengwen GUO 2023-05-09
D971795 Baby carriage Martijn Hans Van Gelderen, Qingmei Tan 2022-12-06
11325632 Rod locking mechanism and stroller therewith 2022-05-10
D843894 Joint for rotational connection 2019-03-26
9840168 Connection mechanism Ze-Hua Yi, Zhi-Ren Zhong 2017-12-12
9139215 Infant stroller apparatus 2015-09-22
D737733 Stroller Zhi-Ren Zhong 2015-09-01
9067613 Brake mechanism for an infant stroller apparatus Zehua Yi, Xiaojian Zhang, Haibo Zeng 2015-06-30
9027952 Baby carriage and lower leg rest device thereof 2015-05-12
8998312 Infant safety seat Gregory S. Sellers, Bruce L. Williams 2015-04-07
8844096 Caster device with a directional mechanism 2014-09-30
D693745 Stroller 2013-11-19