WU; Zhanghua

Patent Applications and Registrations

Patent applications and USPTO patent grants for WU; Zhanghua.The latest application filed is for "photoionization detector automated zero level calibration".

Company Profile

6.6.8

WU; Zhanghua - Shanghai CN
Wu; Zhanghua - Morris Plains NJ
Wu; Zhanghua - Shenzhen CN

*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
Photoionization Detector Automated Zero Level Calibration App 20210181170 - XIE; Guangli ; et al.	2021-06-17
Collection surface for electrodes in photoionization detector Grant 10,996,197 - Chen , et al. May 4, 2	2021-05-04
Photoionization detector automated zero level calibration Grant 10,969,371 - Xie , et al. April 6, 2	2021-04-06
Shielding for electrodes in photoionization detector Grant 10,942,061 - Chen , et al. March 9, 2	2021-03-09
Photoionization Detector Automated Zero Level Calibration App 20200371077 - Xie; Guangli ; et al.	2020-11-26
Photoionization detector automated zero level calibration Grant 10,782,273 - Xie , et al. Sept	2020-09-22
Collection Surface For Electrodes In Photoionization Detector App 20200025716 - CHEN; Bo ; et al.	2020-01-23
Shielding For Electrodes In Photoionization Detector App 20200018639 - CHEN; Bo ; et al.	2020-01-16
Photoionization Detector Automated Zero Level Calibration App 20190113491 - XIE; Guangli ; et al.	2019-04-18
Multi-stage double-acting traveling-wave thermoacoustic system Grant 9,784,106 - Luo , et al. October 10, 2	2017-10-10
Heat-actuated double-acting traveling-wave thermoacoustic refrigeration system Grant 9,453,663 - Luo , et al. September 27, 2	2016-09-27
Single-stage Double-acting Traveling-wave Thermoacoustic System App 20140202175 - LUO; ERCANG ; et al.	2014-07-24
Multi-stage Double-acting Traveling-wave Thermoacoustic System App 20140196452 - Luo; Ercang ; et al.	2014-07-17
Heat-actuated Double-acting Traveling-wave Thermoacoustic Refrigeration System App 20140174102 - LUO; Ercang ; et al.	2014-06-26

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