Solid fluidization tubular separator for marine natural gas hydrate
US-11746640-B2 · Sep 5, 2023 · US
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Li Qingping patents
Li Qingping is listed as an inventor on 24 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Qingping |
| Total patents | 24 |
| First publication | Sep 14, 2017 |
| Latest publication | Sep 5, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Three-stage degassing and dewatering device
US-11603747-B2 · Mar 14, 2023 · US
Experimental device and experimental method for natural gas hydrate solid-state fluidized mining and crushing
US-11598180-B2 · Mar 7, 2023 · US
Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development
US-11542789-B2 · Jan 3, 2023 · US
Solid fluidization tubular separator for marine natural gas hydrate
US-2022349292-A1 · Nov 3, 2022 · US
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates
US-11434727-B2 · Sep 6, 2022 · US
Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development
US-2022268132-A1 · Aug 25, 2022 · US
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates
US-2022243564-A1 · Aug 4, 2022 · US
Three-stage degassing and dewatering device with tube network and rod electrode mouse cage formation
US-2022127946-A1 · Apr 28, 2022 · US
Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation
US-11199050-B2 · Dec 14, 2021 · US
Recent patents
Latest publications not already listed above.
Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate
US-11193333-B2 · Dec 7, 2021 · US
Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition
US-11156064-B2 · Oct 26, 2021 · US
Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition
US-11053779-B2 · Jul 6, 2021 · US
Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate
US-2021140243-A1 · May 13, 2021 · US
Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation
US-2021140244-A1 · May 13, 2021 · US
Experimental device and experimental method for natural gas hydrate solid-state fluidized mining and crushing
US-2021079762-A1 · Mar 18, 2021 · US
Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
US-10822927-B2 · Nov 3, 2020 · US
Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition
US-2020300066-A1 · Sep 24, 2020 · US
Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition
US-2020291754-A1 · Sep 17, 2020 · US
Device and method for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates
US-10655436-B2 · May 19, 2020 · US
Device and method for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates
US-2020072028-A1 · Mar 5, 2020 · US
Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
US-2020040710-A1 · Feb 6, 2020 · US
Experimental loop system for fluidization exploitation of solid-state marine gas hydrate
US-10100264-B2 · Oct 16, 2018 · US
Experimental loop system for fluidization exploitation of solid-state marine gas hydrate
US-2017260469-A1 · Sep 14, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Southwest Petroleum | 21 |
| Southern Marine Science And Eng Guangdong Laboratory Zhanjiang | 8 |
| Univ Qingdao Technology | 2 |
| Univ Southwest Petroleum | 1 |
| Southern Marine Science And Eng Guangdong | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B41/0099 | 20 |
| E21B43/01 | 18 |
| E21B43/35 | 8 |
| E21B43/385 | 6 |
| E21B43/29 | 6 |