Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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NONE
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Issue Dt:
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Application #:
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17548033
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Filing Dt:
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12/10/2021
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Publication #:
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Pub Dt:
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06/16/2022
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Inventors:
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Xiangchao Shi, Ergang Zhang, Quan Cao, Shan Jiang, Yuehao Liu, Yuming Wang
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Title:
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METHOD FOR PREDICTING AND OPTIMIZING PENETRATION RATE IN OIL AND GAS DRILLING BASED ON CART ALGORITHM
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 8 XINDU AVENUE, XINDU DISTRICT |
| CHENGDU CITY, SICHUAN PROVINCE, CHINA, CHINA |
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| MUNCY GEISSLER OLDS & LOWE P.C. |
| 4000 LEGATO RD, SUITE 310 |
| FAIRFAX, VA 22033 |
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Assignment:
2
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CORRECTIVE ASSIGNMENT TO CORRECT THE 5TH INVENTOR'S NAME AND ASSIGNEE COUNTRY PREVIOUSLY RECORDED AT REEL: 058428 FRAME: 0201. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT .
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| NO. 8 XINDU AVENUE, XINDU DISTRICT |
| CHENGDU CITY, SICHUAN PROVINCE, CHINA |
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| MUNCY, GEISSLER, OLDS & LOWE, P.C. |
| 4000 LEGATO ROAD, SUITE 310 |
| FAIRFAX, VA 22033 |
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