CN2793311Y - 异形盘根 - Google Patents
异形盘根 Download PDFInfo
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- CN2793311Y CN2793311Y CN 200520096302 CN200520096302U CN2793311Y CN 2793311 Y CN2793311 Y CN 2793311Y CN 200520096302 CN200520096302 CN 200520096302 CN 200520096302 U CN200520096302 U CN 200520096302U CN 2793311 Y CN2793311 Y CN 2793311Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520096302 CN2793311Y (zh) | 2005-05-10 | 2005-05-10 | 异形盘根 |
Applications Claiming Priority (1)
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CN 200520096302 CN2793311Y (zh) | 2005-05-10 | 2005-05-10 | 异形盘根 |
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CN2793311Y true CN2793311Y (zh) | 2006-07-05 |
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CN 200520096302 Expired - Fee Related CN2793311Y (zh) | 2005-05-10 | 2005-05-10 | 异形盘根 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103061704A (zh) * | 2013-01-28 | 2013-04-24 | 黄胜志 | 磨损自动补偿金属光杆密封器 |
CN104453767B (zh) * | 2014-11-21 | 2017-02-22 | 西南石油大学 | 用于气体钻井中机械测井的井口密封工具 |
CN107489390A (zh) * | 2017-08-30 | 2017-12-19 | 河南豫中地质勘察工程公司 | 一种气动潜孔锤钻井用井口钻杆密封器 |
CN109611055A (zh) * | 2018-12-07 | 2019-04-12 | 柳江 | 一种被动解体式可溶桥塞 |
CN110206506A (zh) * | 2019-06-10 | 2019-09-06 | 湖南达道新能源开发有限公司 | 一种地热钻井用井口盖板 |
-
2005
- 2005-05-10 CN CN 200520096302 patent/CN2793311Y/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103061704A (zh) * | 2013-01-28 | 2013-04-24 | 黄胜志 | 磨损自动补偿金属光杆密封器 |
CN104453767B (zh) * | 2014-11-21 | 2017-02-22 | 西南石油大学 | 用于气体钻井中机械测井的井口密封工具 |
CN107489390A (zh) * | 2017-08-30 | 2017-12-19 | 河南豫中地质勘察工程公司 | 一种气动潜孔锤钻井用井口钻杆密封器 |
CN109611055A (zh) * | 2018-12-07 | 2019-04-12 | 柳江 | 一种被动解体式可溶桥塞 |
CN109611055B (zh) * | 2018-12-07 | 2021-05-18 | 山东兆鑫石油工具有限公司 | 一种被动解体式可溶桥塞 |
CN110206506A (zh) * | 2019-06-10 | 2019-09-06 | 湖南达道新能源开发有限公司 | 一种地热钻井用井口盖板 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Li Yunzhu Document name: Notification of termination of invalid case |
|
ASS | Succession or assignment of patent right |
Owner name: GAO DENGKE Free format text: FORMER OWNER: LI YUNZHU Effective date: 20070608 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Designer after: Gao Dengke Designer after: Li Yunzhu Designer after: Gao Zhongping Designer after: Li Jinzhu Designer before: Li Yunzhu Designer before: Li Jinzhu |
|
COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: LI YUNZHU; LI JINZHU TO: GAO DENGKE; LI YUNZHU; GAO ZHONGPING; LI JINZHU |
|
TR01 | Transfer of patent right |
Effective date of registration: 20070608 Address after: 434024 Hubei Jingzhou fourth petroleum machinery plant turns Jingzhou Gao Xin petroleum valve parts Co., Ltd. Patentee after: Gao Dengke Address before: 433124 Jianghan oil field oil production plant, Qianjiang, Hubei Patentee before: Li Yunzhu |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20110510 |