Patent Assignment Details
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| Reel/Frame: | 061231/0382 | |
| Pages: | 4 |
| | Recorded: | 09/27/2022 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
3
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Patent #:
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Issue Dt:
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02/23/2021
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Application #:
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16731060
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Filing Dt:
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12/31/2019
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Publication #:
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Pub Dt:
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04/30/2020
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Title:
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SEDIMENT CORE-DRILLING PROCESS FOR SUBMARINE WIRE-LINE CORING DRILL RIG
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Patent #:
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Issue Dt:
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03/16/2021
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Application #:
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16833584
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Filing Dt:
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03/28/2020
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Publication #:
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Pub Dt:
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08/06/2020
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Title:
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PRESSURE-RETAINING CAP SCREWING AND UNSCREWING DEVICE FOR MARINE NATURAL GAS HYDRATE PRESSURE-RETAINING ROCK-CORE BARREL
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Patent #:
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Issue Dt:
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06/22/2021
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Application #:
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16988702
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Filing Dt:
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08/09/2020
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Publication #:
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Pub Dt:
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06/03/2021
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Title:
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WIRELINE CORING RECOVERY SYSTEM OF A SEAFLOOR DRILLING RIG AND METHOD OF USING SAME
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Assignee
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| ROOM 818, INNOVATION BUILDING, NO. 9, |
| XIAOTANG ROAD, HIGH-TECH ZONE |
| XIANGTAN, HUNAN, CHINA |
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Correspondence name and address
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QIANQIAN WU
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64 BANK ST
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ABINGTON, MA 02351
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06/20/2024 05:48 AM
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