LIU; Chengqian

Patent Applications and Registrations

Patent applications and USPTO patent grants for LIU; Chengqian.The latest application filed is for "electric machine and assembling method for electric machine".

Company Profile

2.6.7

LIU; Chengqian - Beijing CN
Liu; Chengqian - Xinjiang CN
Liu; Chengqian - Urumqi CN
LIU; Chengqian - Daxing Beijing

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electric Machine And Assembling Method For Electric Machine App 20220231557 - PENG; Liang ; et al.	2022-07-21
Motor slot wedge with sealing structure and combination device Grant 10,848,030 - Wang , et al. November 24, 2	2020-11-24
Lightning protection device, direct-drive wind turbine generator system and lightning protection method thereof Grant 10,612,525 - Huang , et al.	2020-04-07
Heating device for annular component and annular cavity thereof Grant 10,378,822 - Ma , et al. A	2019-08-13
Permanent-magnet direct-drive wind power generator, system and stator thereof Grant 10,291,101 - Wang , et al.	2019-05-14
Heating device for bearing protection of wind power generator and bearing system Grant 10,082,130 - Ma , et al. September 25, 2	2018-09-25
Permanent-magnetic direct-drive wind generator, system and stator thereof Grant 10,014,735 - Ma , et al. July 3, 2	2018-07-03
Heating Device For Bearing Protection Of Wind Power Generator And Bearing System App 20180073489 - MA; Shengjun ; et al.	2018-03-15
Permanent-magnetic Direct-drive Wind Generator, System And Stator Thereof App 20180069442 - MA; Shengjun ; et al.	2018-03-08
Permanent-magnet Direct-drive Wind Power Generator, System And Stator Thereof App 20180019642 - WANG; Dong ; et al.	2018-01-18
Motor Slot Wedge With Sealing Structure And Combination Device App 20170310186 - WANG; Dong ; et al.	2017-10-26
Heating Device For Annular Component And Annular Cavity Thereof App 20170003074 - MA; Shengjun ; et al.	2017-01-05
Lightning Protection Device, Direct-drive Wind Turbine Generator System And Lightning Protection Method Thereof App 20160273521 - HUANG; Jinpeng ; et al.	2016-09-22

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.