Li; Qingping

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Qingping.The latest application filed is for "cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development".

Company Profile

10.10.13

Li; Qingping - Chengdu CN
LI; Qingping - Zhanjiang CN
LI; Qingping - Beijing CN
Li; Qingping - Sichuan CN
Li; Qingping - Hangzhou CN
LI; QINGPING - CHENGDU 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
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates Grant 11,434,727 - Tang , et al. September 6, 2	2022-09-06
Cavity Creation Tool By Crushing With Multi-stage Controllable Water Jet For Natural Gas Hydrate Development App 20220268132 - TANG; Yang ; et al.	2022-08-25
In Situ Exploitation-separation-backfilling Integration Apparatus Used For Natural Gas Hydrates App 20220243564 - TANG; Yang ; et al.	2022-08-04
Three-stage Degassing And Dewatering Device With Tube Network And Rod Electrode Mouse Cage Formation App 20220127946 - LIU; Xinfu ; et al.	2022-04-28
Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation Grant 11,199,050 - Wang , et al. December 14, 2	2021-12-14
Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate Grant 11,193,333 - Tang , et al. December 7, 2	2021-12-07
Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition Grant 11,156,064 - Zhao , et al. October 26, 2	2021-10-26
Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition Grant 11,053,779 - Zhao , et al. July 6, 2	2021-07-06
Combined Crushing Super-variable-diameter Drill Bit For Natural Gas Hydrate Exploitation App 20210140244 - WANG; Guorong ; et al.	2021-05-13
Automatic Jet Breaking Tool For Solid Fluidization Exploitation Of Natural Gas Hydrate App 20210140243 - TANG; Yang ; et al.	2021-05-13
Experimental Device And Experimental Method For Natural Gas Hydrate Solid-state Fluidized Mining And Crushing App 20210079762 - WANG; Guorong ; et al.	2021-03-18
Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed Grant 10,822,927 - Tang , et al. November 3, 2	2020-11-03
Natural Gas Hydrate Solid-state Fluidization Mining Method And System Under Underbalanced Positive Circulation Condition App 20200300066 - ZHAO; Jinzhou ; et al.	2020-09-24
Hydrate Solid-state Fluidization Mining Method And System Under Underbalanced Reverse Circulation Condition App 20200291754 - ZHAO; Jinzhou ; et al.	2020-09-17
Multi-bit digitally controlled accurate current source circuit Grant 10,712,761 - Cao , et al.	2020-07-14
Relaxation oscillator Grant 10,707,843 - Zou , et al.	2020-07-07
Device and method for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates Grant 10,655,436 - Liu , et al.	2020-05-19
Relaxation oscillator App 20200091897 - ZOU; Hehong ; et al.	2020-03-19
Multi-bit digitally controlled accurate current source circuit App 20200089265 - CAO; Tianlin ; et al.	2020-03-19
Device And Method For Solid-state Fluidization Mining Of Seabed Shallow Layer Non-diagenetic Natural Gas Hydrates App 20200072028 - LIU; Qingyou ; et al.	2020-03-05
Device And Method For Solid-state Fluidized Mining Of Natural Gas Hydrates In Shallow Seabed App 20200040710 - TANG; Yang ; et al.	2020-02-06
Experimental loop system for fluidization exploitation of solid-state marine gas hydrate Grant 10,100,264 - Zhao , et al. October 16, 2	2018-10-16
Experimental Loop System For Fluidization Exploitation Of Solid-state Marine Gas Hydrate App 20170260469 - ZHAO; JINZHOU ; et al.	2017-09-14

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