CHU; Xiaodong

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHU; Xiaodong.The latest application filed is for "hydraulic power system for downhole device and downhole device".

Company Profile

3.13.15

CHU; Xiaodong - Hebei CN
Chu; Xiaodong - Shanghai CN
Chu; Xiaodong - Langfang CN
CHU; Xiaodong - Sanhe Langfang

*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
Hydraulic Power System For Downhole Device And Downhole Device App 20220260094 - TIAN; Zhibin ; et al.	2022-08-18
Method And System For Measuring Composition And Property Of Formation Fluid App 20220155275 - ZUO; Youxiang ; et al.	2022-05-19
Heteropolyacid salt catalysts and their preparation method Grant 11,325,109 - Wen , et al. May 10, 2	2022-05-10
Horizontal-to-vertical drilling module for deep well Grant 11,028,658 - Feng , et al. June 8, 2	2021-06-08
(Meth)acrolein Oxidation Catalyst and Preparation Method Thereof App 20210078929 - WEN; Xin ; et al.	2021-03-18
Horizontal-to-Vertical Drilling Module for Deep Well App 20200291735 - FENG; Yongren ; et al.	2020-09-17
Wire follow-up protection structure of electric reducer Grant 10,236,667 - Feng , et al.	2019-03-19
Wire Follow-up Protection Structure Of Electric Reducer App 20180323589 - Feng; Yongren ; et al.	2018-11-08
Drilling type sidewall coring apparatus Grant 10,018,038 - Feng , et al. July 10, 2	2018-07-10
Pup joint for releasing sidewall contact of stratigraphic test device and apparatus Grant 9,982,816 - Qin , et al. May 29, 2	2018-05-29
Ferrite catalyst and preparation method thereof Grant 9,731,280 - Xiong , et al. August 15, 2	2017-08-15
Drilling Type Sidewall Coring Apparatus App 20170107813 - FENG; Yongren ; et al.	2017-04-20
Methods for preparing methacrolein from t-butanol Grant 9,522,866 - Zhao , et al. December 20, 2	2016-12-20
Methods for Preparing Methacrolein from t-Butanol App 20160185698 - Zhao; Xiaoqi ; et al.	2016-06-30
Heteropolyacid Salt Catalysts and Their Preparation Method App 20160184807 - Wen; Xin ; et al.	2016-06-30
Method for Preparing Ferrite Catalyst App 20160184806 - Xiong; Desheng ; et al.	2016-06-30
Heteropoly acid salt catalyst and its preparation method Grant 9,314,772 - Wen , et al. April 19, 2	2016-04-19
Process for regenerating a deactivated heteropolymolybdophosphoric acid catalyst Grant 9,192,930 - Wen , et al. November 24, 2	2015-11-24
Pup Joint for Releasing Sidewall Contact of Stratigraphic Test Device and Apparatus App 20150316183 - QIN; Xiaofei ; et al.	2015-11-05
Heteropoly Acid Salt Catalyst And Its Preparation Method App 20140141964 - Wen; Xin ; et al.	2014-05-22
Ferrite Catalyst And Preparation Method Thereof App 20140141965 - Xiong; Desheng ; et al.	2014-05-22
Catalyst for producing unsaturated aldehyde by oxidation of lower olefin at high space velocity Grant 8,481,790 - Wang , et al. July 9, 2	2013-07-09
Process For Regenerating A Deactivated Heteropolymolybdophosphoric Acid Catalyst App 20120135856 - Wen; Xin ; et al.	2012-05-31
Catalyst For Producing Unsaturated Aldehyde By Oxidation Of Lower Olefin At High Space Velocity App 20110295041 - Wang; Jian ; et al.	2011-12-01
Method for producing (meth)acrylic acid and (meth)acrylic esters Grant 7,981,255 - Shao , et al. July 19, 2	2011-07-19
Novel Method For Producing (meth)acrylic Acid And (meth)acrylic Esters App 20090078558 - SHAO; Jingming ; et al.	2009-03-26

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