CN204532133U - 一种活塞式智能转换接头 - Google Patents
一种活塞式智能转换接头 Download PDFInfo
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- CN204532133U CN204532133U CN201520094223.9U CN201520094223U CN204532133U CN 204532133 U CN204532133 U CN 204532133U CN 201520094223 U CN201520094223 U CN 201520094223U CN 204532133 U CN204532133 U CN 204532133U
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Abstract
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Claims (9)
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CN201520094223.9U CN204532133U (zh) | 2015-02-10 | 2015-02-10 | 一种活塞式智能转换接头 |
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CN201520094223.9U CN204532133U (zh) | 2015-02-10 | 2015-02-10 | 一种活塞式智能转换接头 |
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CN204532133U true CN204532133U (zh) | 2015-08-05 |
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CN201520094223.9U Withdrawn - After Issue CN204532133U (zh) | 2015-02-10 | 2015-02-10 | 一种活塞式智能转换接头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104989290A (zh) * | 2015-02-10 | 2015-10-21 | 江苏大学 | 一种活塞式智能转换接头 |
CN115613998A (zh) * | 2022-12-19 | 2023-01-17 | 中国石油集团川庆钻探工程有限公司 | 一种连续油管井下工具组件、排量保护器及方法 |
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2015
- 2015-02-10 CN CN201520094223.9U patent/CN204532133U/zh not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104989290A (zh) * | 2015-02-10 | 2015-10-21 | 江苏大学 | 一种活塞式智能转换接头 |
CN104989290B (zh) * | 2015-02-10 | 2017-06-27 | 江苏大学 | 一种活塞式智能转换接头 |
CN115613998A (zh) * | 2022-12-19 | 2023-01-17 | 中国石油集团川庆钻探工程有限公司 | 一种连续油管井下工具组件、排量保护器及方法 |
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Legal Events
Date | Code | Title | Description |
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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: Li Chuanjun Inventor after: Huang Wanwan Inventor after: Han Bin Inventor after: Wang Zhiqiang Inventor after: Lu Jinzhong Inventor after: Li Kai Inventor before: Han Bin Inventor before: Li Chuanjun Inventor before: Huang Wanwan Inventor before: Wang Zhiqiang Inventor before: Lu Jinzhong Inventor before: Li Kai |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HAN BIN LI CHUANJUN HUANG WANWAN WANG ZHIQIANG LU JINZHONG LI KAI TO: LI CHUANJUN HUANG WANWAN HAN BIN WANG ZHIQIANG LU JINZHONG LI KAI |
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AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20170627 |
|
AV01 | Patent right actively abandoned |