Changwen Liu

USPTO Trademark & Patent Filings

Trademark applications and grants for Changwen Liu. Changwen Liu has 2 trademark applications. The latest application filed is for "OVORSEA"

Company Profile

Changwen Liu
changwen liu
LIU; Changwen - Tianjin CN
Liu; Changwen - San Diego CA
Liu; Changwen - Tianjin CN

Entity Type	INDIVIDUAL
Address	Group 2,Sijianfang Village Woniutu Daur Town,Meris Daur District Qiqihar,Heilongjiang CHINA 161000

*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 Application	Date
ELECTROMAGNETIC BRAKING SYSTEM AND CONTROL METHOD FOR RAPID COMPRESSION MACHINE 20210324926 - 16/621254 PAN; Jiaying ; et al.	2021-10-21
SECURE NODE ADMISSION IN A COMMUNICATION NETWORK 20180295117 - 15/904911 Liu; Changwen ; et al.	2018-10-11
FREQUENCY BAND SELECTION FOR MULTIPLE HOME NETWORKS 20180262286 - 15/926153 Lee; Ronald B. ; et al.	2018-09-13
METHOD AND APPARATUS FOR IMPLEMENTING TRAFFIC FLAGS FOR LARGE SERVICE GROUPS 20180205668 - 15/903778 Liu; Changwen ; et al.	2018-07-19
METHOD AND APPARATUS FOR IMPLEMENTING TRAFFIC FLAGS FOR LARGE SERVICE GROUPS 20170171109 - 15/432422 Liu; Changwen ; et al.	2017-06-15
Electromagnetic braking system and control method for rapid compression machine 11,274,714 - 16/621,254 Pan , et al. March 15, 2	2022-03-15
Secure node admission in a communication network 10,594,672 - 15/904,911 Liu , et al.	2020-03-17
Method and apparatus for implementing traffic flags for large service groups 10,313,267 - 15/903,778 Liu , et al.	2019-06-04
Method and apparatus for implementing traffic flags for large service groups 9,942,168 - 15/432,422 Liu , et al. April 10, 2	2018-04-10
Frequency band selection for multiple home networks 9,923,652 - 13/584,541 Lee , et al. March 20, 2	2018-03-20

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"OVORSEA" 90685893	OVORSEA 2021-05-01
"WUMUTI" 90418080	WUMUTI 2020-12-28

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.