CN203050557U - 抽油杆自旋转防偏磨增油器 - Google Patents
抽油杆自旋转防偏磨增油器 Download PDFInfo
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- CN203050557U CN203050557U CN 201320039543 CN201320039543U CN203050557U CN 203050557 U CN203050557 U CN 203050557U CN 201320039543 CN201320039543 CN 201320039543 CN 201320039543 U CN201320039543 U CN 201320039543U CN 203050557 U CN203050557 U CN 203050557U
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CN 201320039543 CN203050557U (zh) | 2013-01-24 | 2013-01-24 | 抽油杆自旋转防偏磨增油器 |
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CN 201320039543 CN203050557U (zh) | 2013-01-24 | 2013-01-24 | 抽油杆自旋转防偏磨增油器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106978990A (zh) * | 2017-04-24 | 2017-07-25 | 沧州润涛石油设备有限公司 | 一种旋流式变径抽油泵 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106978990A (zh) * | 2017-04-24 | 2017-07-25 | 沧州润涛石油设备有限公司 | 一种旋流式变径抽油泵 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NANYANG XINYUAN PETROLEUM PETROCHEMICAL EQUIPMENT Free format text: FORMER OWNER: LI XINGWEI Effective date: 20140912 Free format text: FORMER OWNER: LIU WENBIN Effective date: 20140912 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 473000 NANYANG, HENAN PROVINCE TO: 473400 NANYANG, HENAN |
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TR01 | Transfer of patent right |
Effective date of registration: 20140912 Address after: The Eastern Industrial Zone Tanghe County Road 473400 industrial agglomeration in Henan Province Patentee after: NANYANG XINZIYUAN PETROLEUM & PETROCHEMICAL TECHNOLOGY AND EQUIPMENT Co.,Ltd. Address before: Nanyang City, Henan province Tanghe County Industrial Road 473000 Patentee before: Li Xingwei Patentee before: Liu Wenbin |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20220124 |
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CF01 | Termination of patent right due to non-payment of annual fee |