Hu; Lanhua

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hu; Lanhua.The latest application filed is for "use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance".

Company Profile

4.8.8

Hu; Lanhua - Woodridge IL

*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
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 11,344,646 - Wegner , et al. May 31, 2	2022-05-31
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20210275710 - Wegner; Joseph ; et al.	2021-09-09
Method for off-line cleaning of cooling towers Grant 11,085,010 - Hu , et al. August 10, 2	2021-08-10
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 10,994,041 - Wegner , et al. May 4, 2	2021-05-04
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20210000994 - Wegner; Joseph ; et al.	2021-01-07
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 10,751,438 - Wegner , et al. A	2020-08-25
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20200085986 - Wegner; Joseph ; et al.	2020-03-19
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 10,463,756 - Wegner , et al. No	2019-11-05
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20190117814 - Wegner; Joseph ; et al.	2019-04-25
Method For Off-line Cleaning Of Cooling Towers App 20190055502 - Hu; Lanhua ; et al.	2019-02-21
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 10,155,058 - Wegner , et al. Dec	2018-12-18
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20180085483 - Wegner; Joseph ; et al.	2018-03-29
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 9,867,895 - Wegner , et al. January 16, 2	2018-01-16
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20170182197 - Wegner; Joseph ; et al.	2017-06-29
Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance Grant 9,624,423 - Wegner , et al. April 18, 2	2017-04-18
Use Of Fluorescent Polymers In Marking Compositions For The Diagnostic Determination Of Cleaning Performance App 20160002525 - Wegner; Joseph ; et al.	2016-01-07

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.