Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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04/02/2024
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Application #:
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17913075
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Filing Dt:
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09/20/2022
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Publication #:
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Pub Dt:
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05/11/2023
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Inventors:
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Chuanwei ZHAO, Zhonghua WU, Yanjun ZHOU, Honglin TANG, Zhihe LIU, Xueliang PEI, Haoyu SUN et al
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Title:
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Flow Splitting Device for Gas Reverse Circulation Drilling
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT |
| BEIJING, CHINA 100728 |
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| 12TH FLOOR A6 HUIXIN EAST STREET |
| CHAOYANG DISTRICT |
| BEIJING, CHINA 100029 |
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| NO. 258 JINAN ROAD, DONGYING DISTRICT |
| DONGYING CITY, SHANDONG, CHINA 257000 |
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| NO. 827 BEIYI ROAD, DONGYING DISTRICT |
| DONGYING CITY, SHANDONG, CHINA 257017 |
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| BUCHANAN INGERSOLL & ROONEY P.C. |
| 1737 KING STREET, SUITE 500 |
| ALEXANDRIA, VA 22314-2727 |
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