Inventor · disambiguated record
Yufa He
Also filed as: HE YUFA
11 granted patents·4 citations·filing 2018–2023
78Inventor score
Top patents by PatentIndex Score
11 records- 0186US11506033B2Oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic liftUNIV SOUTHWEST PETROLEUM·Filed 2021·Granted Nov 22, 2022·2 cites·5 claims
- 0285US11542789B2Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate developmentUNIV SOUTHWEST PETROLEUM·Filed 2021·Granted Jan 3, 2023·2 cites·4 claims
- 0346US11946374B2Omni-directional horizontally orientaed deflecting tool for coiled tubingUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Apr 2, 2024·0 cites·7 claims
- 0445US12060958B2Pure electric modular subsea test treeUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Aug 13, 2024·0 cites·12 claims
- 0544US10822927B2Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabedUNIV SOUTHWEST PETROLEUM·Filed 2019·Granted Nov 3, 2020·0 cites·4 claims
- 0643US11598180B2Experimental device and experimental method for natural gas hydrate solid-state fluidized mining and crushingUNIV SOUTHWEST PETROLEUM·Filed 2018·Granted Mar 7, 2023·0 cites·10 claims
- 0741US11434727B2In situ exploitation-separation-backfilling integration apparatus used for natural gas hydratesUNIV SOUTHWEST PETROLEUM·Filed 2021·Granted Sep 6, 2022·0 cites·8 claims
- 0841US11255745B2Test device for simulating longitudinal-lateral-torsional coupled nonlinear vibration of drill string of deepwater riserless drilling and method thereforUNIV SOUTHWEST PETROLEUM·Filed 2019·Granted Feb 22, 2022·0 cites·8 claims
- 0941US11193333B2Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrateUNIV SOUTHWEST PETROLEUM·Filed 2020·Granted Dec 7, 2021·0 cites·8 claims
- 1039US11746640B2Solid fluidization tubular separator for marine natural gas hydrateSOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG·Filed 2022·Granted Sep 5, 2023·0 cites·10 claims
- 1132US11199050B2Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitationSOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG·Filed 2020·Granted Dec 14, 2021·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →