Counter-rotating blade-type underwater low-frequency sound-emitting device
US-2025350376-A1 · Nov 13, 2025 · US
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Wan Buyan patents
Wan Buyan is listed as an inventor on 25 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wan Buyan |
| Total patents | 25 |
| First publication | Aug 1, 2019 |
| Latest publication | Nov 13, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Suction sampler system for in situ collection of deep-sea floor organisms and method of using same
US-11812732-B2 · Nov 14, 2023 · US
Friction and wear testing platform capable of simulating high-pressure, silt-containing and turbid submarine environment
US-11774336-B2 · Oct 3, 2023 · US
Horizontal drilling machine with an in-situ detection device
US-11505997-B2 · Nov 22, 2022 · US
Long-distance core drilling method suitable for a horizontal geological core drilling rig
US-11408239-B2 · Aug 9, 2022 · US
Horizontal drilling machine with impact device
US-11408227-B2 · Aug 9, 2022 · US
Friction and wear testing platform capable of simulating high-pressure, silt-containing and turbid submarine environment
US-2022236159-A1 · Jul 28, 2022 · US
Support device for rotation of high-capacity and compact drill pipe storage unit of seabed drilling rig in lying state
US-11371298-B2 · Jun 28, 2022 · US
Portable seafloor drill rig for submersible for multi-point core drilling
US-11326398-B2 · May 10, 2022 · US
Long-distance core drilling method suitable for a horizontal geological core drilling rig
US-2022010640-A1 · Jan 13, 2022 · US
Recent patents
Latest publications not already listed above.
Horizontal drilling machine with impact device
US-2022010622-A1 · Jan 13, 2022 · US
Horizontal drilling machine with an in-situ detection device
US-2022010624-A1 · Jan 13, 2022 · US
Portable seafloor drill rig for submersible for multi-point core drilling
US-2021254409-A1 · Aug 19, 2021 · US
Suction sampler system for in situ collection of deep-sea floor organisms and method of using same
US-2021219528-A1 · Jul 22, 2021 · US
Wireline coring recovery system of a seafloor drilling rig and method of using same
US-11041344-B1 · Jun 22, 2021 · US
Wireline coring recovery system of a seafloor drilling rig and method of using same
US-2021164300-A1 · Jun 3, 2021 · US
Pressure-retaining cap screwing and unscrewing device for marine natural gas hydrate pressure-retaining rock-core barrel
US-10947800-B2 · Mar 16, 2021 · US
Sediment core-drilling process for submarine wire-line coring drill rig
US-10927606-B2 · Feb 23, 2021 · US
Support device for rotation of high-capacity and compact drill pipe storage unit of seabed drilling rig in lying state
US-2021040800-A1 · Feb 11, 2021 · US
Pressure-retaining cap screwing and unscrewing device for marine natural gas hydrate pressure-retaining rock-core barrel
US-2020248518-A1 · Aug 6, 2020 · US
Process for drilling natural gas hydrates with submersible core drilling rig using pressure wireline
US-10704350-B2 · Jul 7, 2020 · US
Process for drilling natural gas hydrates with submersible core drilling rig using pressure wireline
US-2020131875-A1 · Apr 30, 2020 · US
Sediment core-drilling process for submarine wire-line coring drill rig
US-2020131853-A1 · Apr 30, 2020 · US
Mechanical handheld hermatic sampler for marine sediment and sampling, pressure mataining method thereof
US-10627318-B2 · Apr 21, 2020 · US
Mechanical handheld hermatic sampler for marine sediment and sampling, pressure mataining method thereof
US-2019234835-A1 · Aug 1, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Hunan Science & Technology | 25 |
| Shanghai Jiao Tong Univ Underwater Engineering Institute Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B25/18 | 10 |
| E21B15/04 | 6 |
| E21B25/16 | 6 |
| E21B25/00 | 6 |
| E21B21/001 | 6 |