Li, Weijin

USPTO Trademark & Patent Filings

Li Weijin

Trademark applications and grants for Li, Weijin. Li, Weijin has 3 trademark applications. The latest application filed is for "QUEBO"

Company Profile
    Company Aliases
  • LI WEIJIN
  • Li, Weijin
  • Weijin Li
  • weijin li
  • LI; Weijin - Ningbo CN
  • LI; Weijin - Zhuhai CN
  • Li; Weijin - Taizhou CN
  • Li; Weijin - El Dorado Hills CA
Entity Type INDIVIDUAL
Address No. 31, Qingshan, Xibian Village Xiangxi Country, Xianyou County Putian City CHINA 351200

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks Patents
Patent Applications
Patent ApplicationDate
Cleaning Robot Capable Of Simultaneously Driving A Driving Wheel And An Impeller By Single Motor
20220240745 - 17/161884 CAO; Xin ;   et al.
2022-08-04
Autonomous Cleaner
20210156163 - 16/908651 CAO; Xin ;   et al.
2021-05-27
ENERGY INTERNET SYSTEM, ENERGY ROUTING CONVERSION DEVICE, AND ENERGY CONTROL METHOD
20210044146 - 16/966846 DONG; Mingzhu ;   et al.
2021-02-11
INTERMEDIATES OF SITAGLIPTIN AND PREPARATION PROCESS THEREOF
20130281695 - 13/988261 Pan; Xianhua ;   et al.
2013-10-24
BRUSH CORE AND BRUSH DRIVING METHOD
20100288305 - 12/775314 Kobetsky; Robert G. ;   et al.
2010-11-18
Brush core and brush driving method
9,524,886 - 12/775,314 Kobetsky , et al. December 20, 2
2016-12-20
Brush core and brush driving method
9,524,886 - 12/775,314 Kobetsky , et al. December 20, 2
2016-12-20
Intermediates of sitagliptin and preparation process thereof
9,187,419 - 13/988,261 Pan , et al. November 17, 2
2015-11-17
Intermediates of sitagliptin and preparation process thereof
9,187,419 - 13/988,261 Pan , et al. November 17, 2
2015-11-17
Head gimbal assembly with air bearing slider crown having reduced temperature sensitivity
7,474,508 - 11/076,335 Li , et al. January 6, 2
2009-01-06
Patent Grants & Applications
Trademark Applications

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