CN202937234U - 单缸液压往复式抽油机 - Google Patents
单缸液压往复式抽油机 Download PDFInfo
- Publication number
- CN202937234U CN202937234U CN 201220638758 CN201220638758U CN202937234U CN 202937234 U CN202937234 U CN 202937234U CN 201220638758 CN201220638758 CN 201220638758 CN 201220638758 U CN201220638758 U CN 201220638758U CN 202937234 U CN202937234 U CN 202937234U
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- CN
- China
- Prior art keywords
- hydraulic
- cylinder
- pumping unit
- oil pumping
- type oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220638758 CN202937234U (zh) | 2012-11-28 | 2012-11-28 | 单缸液压往复式抽油机 |
Applications Claiming Priority (1)
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CN 201220638758 CN202937234U (zh) | 2012-11-28 | 2012-11-28 | 单缸液压往复式抽油机 |
Publications (1)
Publication Number | Publication Date |
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CN202937234U true CN202937234U (zh) | 2013-05-15 |
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CN 201220638758 Expired - Fee Related CN202937234U (zh) | 2012-11-28 | 2012-11-28 | 单缸液压往复式抽油机 |
Country Status (1)
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CN (1) | CN202937234U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105178917A (zh) * | 2014-06-06 | 2015-12-23 | 程丹秀 | 液压往复式单缸抽油机 |
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2012
- 2012-11-28 CN CN 201220638758 patent/CN202937234U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105178917A (zh) * | 2014-06-06 | 2015-12-23 | 程丹秀 | 液压往复式单缸抽油机 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaoning Liaohe oil field Tianbao resource utilization Co., Ltd. Assignor: Shenyang Haolingda New Technology Research Institute Co., Ltd. Contract record no.: 2016210000027 Denomination of utility model: Single-cylinder hydraulic reciprocating type oil pumping unit Granted publication date: 20130515 License type: Exclusive License Record date: 20160825 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20201128 |