CN201246142Y - 链条式抽油机顶部旋转让位机构 - Google Patents
链条式抽油机顶部旋转让位机构 Download PDFInfo
- Publication number
- CN201246142Y CN201246142Y CNU2008200227602U CN200820022760U CN201246142Y CN 201246142 Y CN201246142 Y CN 201246142Y CN U2008200227602 U CNU2008200227602 U CN U2008200227602U CN 200820022760 U CN200820022760 U CN 200820022760U CN 201246142 Y CN201246142 Y CN 201246142Y
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- crown block
- traveling crane
- overhead traveling
- wheel carrier
- block wheel
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200227602U CN201246142Y (zh) | 2008-05-20 | 2008-05-20 | 链条式抽油机顶部旋转让位机构 |
Applications Claiming Priority (1)
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CNU2008200227602U CN201246142Y (zh) | 2008-05-20 | 2008-05-20 | 链条式抽油机顶部旋转让位机构 |
Publications (1)
Publication Number | Publication Date |
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CN201246142Y true CN201246142Y (zh) | 2009-05-27 |
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CNU2008200227602U Expired - Fee Related CN201246142Y (zh) | 2008-05-20 | 2008-05-20 | 链条式抽油机顶部旋转让位机构 |
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CN (1) | CN201246142Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817591A (zh) * | 2012-07-24 | 2012-12-12 | 田园 | 一种提升链式抽油机 |
CN102865054A (zh) * | 2012-09-13 | 2013-01-09 | 中国石油大学(华东) | 一种立式抽油机修井让位机构 |
CN109989728A (zh) * | 2017-12-29 | 2019-07-09 | 中石化石油工程技术服务有限公司 | 销轴换向式长冲程抽油机 |
-
2008
- 2008-05-20 CN CNU2008200227602U patent/CN201246142Y/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817591A (zh) * | 2012-07-24 | 2012-12-12 | 田园 | 一种提升链式抽油机 |
CN102865054A (zh) * | 2012-09-13 | 2013-01-09 | 中国石油大学(华东) | 一种立式抽油机修井让位机构 |
CN102865054B (zh) * | 2012-09-13 | 2015-05-27 | 中国石油大学(华东) | 一种立式抽油机修井让位机构 |
CN109989728A (zh) * | 2017-12-29 | 2019-07-09 | 中石化石油工程技术服务有限公司 | 销轴换向式长冲程抽油机 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Ren Hongwei Inventor after: Zheng Huanpeng Inventor after: Li Zhenquan Inventor after: Liu Yukang Inventor after: Liu Yancong Inventor after: Shi Yongjun Inventor before: Ren Hongwei Inventor before: Zheng Huanpeng Inventor before: Li Zhenquan Inventor before: Liu Yancong Inventor before: Shi Yongjun |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: REN HONGWEI; ZHENG HUANPENG; LI ZHENQUAN; LIU YANCONG; SHI YONGJUN TO: RENHONGWEI; ZHENG HUANPENG; LI ZHENQUAN; LIU YUKANG; LIU YANCONG; SHI YONGJUN |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20100520 |