CN205955712U - 投球丢枪装置 - Google Patents
投球丢枪装置 Download PDFInfo
- Publication number
- CN205955712U CN205955712U CN201620919824.3U CN201620919824U CN205955712U CN 205955712 U CN205955712 U CN 205955712U CN 201620919824 U CN201620919824 U CN 201620919824U CN 205955712 U CN205955712 U CN 205955712U
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- CN
- China
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- lower contact
- sliding sleeve
- top connection
- closing piece
- lower clutch
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620919824.3U CN205955712U (zh) | 2016-08-22 | 2016-08-22 | 投球丢枪装置 |
Applications Claiming Priority (1)
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CN201620919824.3U CN205955712U (zh) | 2016-08-22 | 2016-08-22 | 投球丢枪装置 |
Publications (1)
Publication Number | Publication Date |
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CN205955712U true CN205955712U (zh) | 2017-02-15 |
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CN201620919824.3U Expired - Fee Related CN205955712U (zh) | 2016-08-22 | 2016-08-22 | 投球丢枪装置 |
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CN (1) | CN205955712U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121596A (zh) * | 2016-08-22 | 2016-11-16 | 中国石油集团渤海钻探工程有限公司 | 投球丢枪装置 |
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2016
- 2016-08-22 CN CN201620919824.3U patent/CN205955712U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121596A (zh) * | 2016-08-22 | 2016-11-16 | 中国石油集团渤海钻探工程有限公司 | 投球丢枪装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210926 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Bohai Drilling Engineering Co., Ltd., PetroChina Tianjin building, No.83, 2nd Street, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |