CHEN; Yaoqiang

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHEN; Yaoqiang.The latest application filed is for "low-temperature nox storage catalyst used for automobile exhaust purification and preparation method thereof".

Company Profile

1.6.7

CHEN; Yaoqiang - Chengdu CN
CHEN; YAOQIANG - Chengdu City Sichuan
Chen; Yaoqiang - Xi An CN
Chen; Yaoqiang - Xi An City CN

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

Patent Activity

Patent	Date
LOW-TEMPERATURE NOx STORAGE CATALYST USED FOR AUTOMOBILE EXHAUST PURIFICATION AND PREPARATION METHOD THEREOF App 20220241726 - WANG; Yun ; et al.	2022-08-04
AFI-CHA hybrid crystal zeolite and NH3-SCR catalyst using same as carrier, and preparation methods thereof Grant 11,241,675 - Xu , et al. February 8, 2	2022-02-08
Afi-cha Hybrid Crystal Zeolite And Nh3-scr Catalyst Using Same As Carrier, And Preparation Methods Thereof App 20210308655 - XU; Haidi ; et al.	2021-10-07
Method for preparing molecular sieve SCR catalyst, and catalyst prepared therethrough App 20210060539 - LIU; ZHIMIN ; et al.	2021-03-04
Method for preparing noble metal catalyst Grant 10,272,415 - Li , et al.	2019-04-30
Low temperature SCR catalyst for denitrating diesel vehicle exhaust, and preparation method thereof Grant 10,179,328 - Liu , et al. Ja	2019-01-15
Method for Preparing Noble Metal Catalyst App 20170216820 - LI; Dacheng ; et al.	2017-08-03
Low Temperature SCR Catalyst for Denitrating Diesel Vehicle Exhaust, and Preparation Method Thereof App 20160023195 - LIU; Zhikun ; et al.	2016-01-28
Piezoelectric anion lamp Grant D588,734 - Chen , et al. March 17, 2	2009-03-17
Piezoelectric anion generator controled by integrated circuit Grant 7,339,779 - Chen , et al. March 4, 2	2008-03-04
Non-symmetric drive type piezoelectric ceramic transformer Grant 7,288,876 - Chen , et al. October 30, 2	2007-10-30
Non-symmetric drive type piezoelectric ceramic transformer App 20060113877 - Chen; Yaoqiang ; et al.	2006-06-01
Piezoelectric anion generator controled by integrated circuit App 20060077615 - Chen; Yaoqiang ; et al.	2006-04-13

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