Chengdu
China
4
2022-08-04
The entities that hold a legal rights for patent applications filed by inventor LI Qingping:
Qingping LI from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates
#2 | 2020-03-05Device and method for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates
#3 | 2020-02-06Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
#4 | 2017-09-14Experimental loop system for fluidization exploitation of solid-state marine gas hydrate
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