CN201024975Y - 旋转涨封式可多次坐封解封封隔器 - Google Patents
旋转涨封式可多次坐封解封封隔器 Download PDFInfo
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- CN201024975Y CN201024975Y CNU2007201539698U CN200720153969U CN201024975Y CN 201024975 Y CN201024975 Y CN 201024975Y CN U2007201539698 U CNU2007201539698 U CN U2007201539698U CN 200720153969 U CN200720153969 U CN 200720153969U CN 201024975 Y CN201024975 Y CN 201024975Y
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- sealing
- rises
- adapter sleeve
- sleeve
- sealing tube
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Application Number | Priority Date | Filing Date | Title |
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CNU2007201539698U CN201024975Y (zh) | 2007-05-22 | 2007-05-22 | 旋转涨封式可多次坐封解封封隔器 |
Applications Claiming Priority (1)
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CNU2007201539698U CN201024975Y (zh) | 2007-05-22 | 2007-05-22 | 旋转涨封式可多次坐封解封封隔器 |
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CN201024975Y true CN201024975Y (zh) | 2008-02-20 |
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CNU2007201539698U Expired - Fee Related CN201024975Y (zh) | 2007-05-22 | 2007-05-22 | 旋转涨封式可多次坐封解封封隔器 |
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CN (1) | CN201024975Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101881143A (zh) * | 2010-07-02 | 2010-11-10 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 适用于水平井的可钻式投球滑套 |
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2007
- 2007-05-22 CN CNU2007201539698U patent/CN201024975Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101881143A (zh) * | 2010-07-02 | 2010-11-10 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 适用于水平井的可钻式投球滑套 |
CN101881143B (zh) * | 2010-07-02 | 2013-04-24 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 适用于水平井的可钻式投球滑套 |
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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: DAQING JINGTAI MECHANICAL MANUFACTURING CO., LTD. Assignor: Zhang Zhichao Contract fulfillment period: 2009.8.25 to 2014.8.25 Contract record no.: 2009230000029 Denomination of utility model: Rotary expansion sealing multi-time sealing and unsealing tool Granted publication date: 20080220 License type: Exclusive license Record date: 20091016 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.8.25 TO 2014.8.25; CHANGE OF CONTRACT Name of requester: DAQING JINGTAI MACHINERY MANUFACTURING CO., LTD. Effective date: 20091016 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 Termination date: 20120522 |