Patent Assignment Assignee Details
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Assignee Name :
SINOPEC ZHONGYUAN OILFIELD SERVICE CORPORATION DRILLING ENGINEERING RESEARCH INSTITUTE
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 031237/0904 | |
| Pages: | 4 |
| | Recorded: | 09/19/2013 | | |
| Attorney Dkt #: | 0082325-000002 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignees
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT, CHINA |
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| NO. 462 ZHONGYUAN STREET, HUALONG |
| PUYANG CITY, HENAN PROVINCE, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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14031115
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Correspondence name and address
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BUCHANAN INGERSOLL & ROONEY
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P.O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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Assignment:
2
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| Reel/Frame: | 031238/0329 | |
| Pages: | 4 |
| | Recorded: | 09/19/2013 | | |
| Attorney Dkt #: | 0082325-000003 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignees
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT, CHINA |
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| NO. 462 ZHONGYUAN STREET, HUALONG |
| PUYANG CITY, HENAN PROVINCE, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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14031191
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Correspondence name and address
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BUCHANAN INGERSOLL & ROONEY
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P.O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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Assignment:
3
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| Reel/Frame: | 035301/0858 | |
| Pages: | 4 |
| | Recorded: | 03/31/2015 | | |
| Attorney Dkt #: | 0082325-000005 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignees
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT |
| BEIJING, CHINA 100728 |
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| NO. 462 ZHONGYUAN STREET, HUALONG |
| HENAN PRIVINCE |
| PUYANG CITY, HENAN PROVINCE, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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14314756
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Correspondence name and address
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BUCHANAN INGERSELL & ROONEY PC
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1737 KING STREET
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SUITE 500
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ALEXANDRIA, VA 22314
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Assignment:
4
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| Reel/Frame: | 035386/0975 | |
| Pages: | 6 |
| | Recorded: | 04/08/2015 | | |
| Attorney Dkt #: | 0082325-000005 |
| Conveyance: | CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED AT REEL: 035301 FRAME: 0858. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. |
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Assignees
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT |
| BEIJING, CHINA 100728 |
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| NO. 462 ZHONGYUAN STREET, HUALONG |
| PUYANG CITY, HENAN PROVINCE, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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14314756
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Correspondence name and address
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BUCHANAN INGERSOLL & ROONEY PC
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1737 KING STREET
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SUITE 500
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ALEXANDRIA, VA 22314
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Assignment:
5
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| Reel/Frame: | 039604/0519 | |
| Pages: | 4 |
| | Recorded: | 08/31/2016 | | |
| Attorney Dkt #: | 0082325-000008 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignees
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT |
| BEIJING, CHINA 100728 |
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| NO. 462 ZHONGYUAN STREET, HUALONG |
| PUYANG CITY, HENAN PROVINCE, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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15253079
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Correspondence name and address
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BUCHANAN INGERSOLL & ROONEY PC
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P.O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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