CN201047263Y - 滚珠膨胀锥 - Google Patents
滚珠膨胀锥 Download PDFInfo
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- CN201047263Y CN201047263Y CNU2007202005109U CN200720200510U CN201047263Y CN 201047263 Y CN201047263 Y CN 201047263Y CN U2007202005109 U CNU2007202005109 U CN U2007202005109U CN 200720200510 U CN200720200510 U CN 200720200510U CN 201047263 Y CN201047263 Y CN 201047263Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007202005109U CN201047263Y (zh) | 2007-06-21 | 2007-06-21 | 滚珠膨胀锥 |
Applications Claiming Priority (1)
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CNU2007202005109U CN201047263Y (zh) | 2007-06-21 | 2007-06-21 | 滚珠膨胀锥 |
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CN201047263Y true CN201047263Y (zh) | 2008-04-16 |
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CNU2007202005109U Expired - Fee Related CN201047263Y (zh) | 2007-06-21 | 2007-06-21 | 滚珠膨胀锥 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103742093A (zh) * | 2013-12-27 | 2014-04-23 | 中国石油天然气股份有限公司 | 一种仿生耐磨损膨胀锥及其制造方法 |
CN103790536A (zh) * | 2014-01-03 | 2014-05-14 | 中国石油天然气股份有限公司 | 一种膨胀锥 |
CN103867154A (zh) * | 2012-12-18 | 2014-06-18 | 中国石油化工股份有限公司 | 一种机械式膨胀工具 |
CN112302564A (zh) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | 一种封隔器 |
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2007
- 2007-06-21 CN CNU2007202005109U patent/CN201047263Y/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103867154A (zh) * | 2012-12-18 | 2014-06-18 | 中国石油化工股份有限公司 | 一种机械式膨胀工具 |
CN103867154B (zh) * | 2012-12-18 | 2016-08-24 | 中国石油化工股份有限公司 | 一种机械式膨胀工具 |
CN103742093A (zh) * | 2013-12-27 | 2014-04-23 | 中国石油天然气股份有限公司 | 一种仿生耐磨损膨胀锥及其制造方法 |
CN103790536A (zh) * | 2014-01-03 | 2014-05-14 | 中国石油天然气股份有限公司 | 一种膨胀锥 |
CN112302564A (zh) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | 一种封隔器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CNPC XIBU DRILLING ENGINEERING COMPANY LIMITED Free format text: FORMER OWNER: XINJIANG PETROLEUM ADMINISTRATION BUREAU DOWNHOLE OPERATION COMPANY Effective date: 20121221 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 834000 KARAMAY, XINJIANG UYGUR AUTONOMOUS REGION TO: 830026 URUMQI, XINJIANG UYGUR AUTONOMOUS REGION |
|
TR01 | Transfer of patent right |
Effective date of registration: 20121221 Address after: 830026, No. 68 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: CNPC Xibu Drilling Engineering Company Limited Address before: No. 34 Qianjin Road 834000 Xinjiang Uygur Autonomous Region Karamay City Lovell Patentee before: Xinjiang Petro Administration Bureau Downhole Operation Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20150621 |
|
EXPY | Termination of patent right or utility model |