CN102720443B - 一种便于安装的抽油杆扶正器 - Google Patents
一种便于安装的抽油杆扶正器 Download PDFInfo
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- CN102720443B CN102720443B CN201210235339.0A CN201210235339A CN102720443B CN 102720443 B CN102720443 B CN 102720443B CN 201210235339 A CN201210235339 A CN 201210235339A CN 102720443 B CN102720443 B CN 102720443B
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- centering
- sucker rod
- pumping rod
- oil pumping
- tooth bar
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CN201210235339.0A CN102720443B (zh) | 2012-07-06 | 2012-07-09 | 一种便于安装的抽油杆扶正器 |
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CN201210232284 | 2012-07-06 | ||
CN201210232284.8 | 2012-07-06 | ||
CN201210235339.0A CN102720443B (zh) | 2012-07-06 | 2012-07-09 | 一种便于安装的抽油杆扶正器 |
Publications (2)
Publication Number | Publication Date |
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CN102720443A CN102720443A (zh) | 2012-10-10 |
CN102720443B true CN102720443B (zh) | 2014-04-30 |
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CN201210235339.0A Expired - Fee Related CN102720443B (zh) | 2012-07-06 | 2012-07-09 | 一种便于安装的抽油杆扶正器 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109138863A (zh) * | 2018-09-30 | 2019-01-04 | 大庆丹枫石油技术开发有限公司 | 一种便于安装的抽油杆扶正器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001053653A1 (en) * | 2000-01-19 | 2001-07-26 | Cannon James H | A polymeric centralizer |
CN2492679Y (zh) * | 2001-06-25 | 2002-05-22 | 杨清城 | 自锁式刮蜡器 |
CN2571990Y (zh) * | 2002-08-13 | 2003-09-10 | 姜辛辉 | 两片式抽油杆扶正器 |
CN2937446Y (zh) * | 2006-01-18 | 2007-08-22 | 山东九环石油机械有限公司 | 一种限位可旋式扶正刮蜡装置 |
CN200949451Y (zh) * | 2006-08-30 | 2007-09-19 | 巴奥欢 | 多功能扶正刮蜡增液器 |
CN201344020Y (zh) * | 2009-01-21 | 2009-11-11 | 刘光进 | 尼龙刮蜡装置 |
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2012
- 2012-07-09 CN CN201210235339.0A patent/CN102720443B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001053653A1 (en) * | 2000-01-19 | 2001-07-26 | Cannon James H | A polymeric centralizer |
CN2492679Y (zh) * | 2001-06-25 | 2002-05-22 | 杨清城 | 自锁式刮蜡器 |
CN2571990Y (zh) * | 2002-08-13 | 2003-09-10 | 姜辛辉 | 两片式抽油杆扶正器 |
CN2937446Y (zh) * | 2006-01-18 | 2007-08-22 | 山东九环石油机械有限公司 | 一种限位可旋式扶正刮蜡装置 |
CN200949451Y (zh) * | 2006-08-30 | 2007-09-19 | 巴奥欢 | 多功能扶正刮蜡增液器 |
CN201344020Y (zh) * | 2009-01-21 | 2009-11-11 | 刘光进 | 尼龙刮蜡装置 |
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CN102720443A (zh) | 2012-10-10 |
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ASS | Succession or assignment of patent right |
Owner name: CHANGSHU CITY, HUI FENG PLASTICS CO., LTD. Free format text: FORMER OWNER: CHANGSHU OIL WELL CEMENTATION TOOLS CO., LTD. Effective date: 20140318 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 215512 SUZHOU, JIANGSU PROVINCE TO: 215500 SUZHOU, JIANGSU PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20140318 Address after: Double Bang village in Changshou City Xinzhuang Town Suzhou city Jiangsu province 215500 Applicant after: Changshu Huifeng Plastic Product Co., Ltd. Address before: Changshou City Xupu street Suzhou city Jiangsu province 215512 No. 131 Applicant before: Changshu Petroleum Cementing Tool Co.,Ltd. |
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C14 | Grant of patent or utility model | ||
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Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHANGSHU CITY, HUI FENG PLASTICS CO., LTD. Effective date: 20141113 Owner name: JIANGSU ELECTRIC POWER COMPANY LIANYUNGANG POWER S Effective date: 20141113 |
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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 |
Inventor after: Yan Huaidong Inventor after: Wu Qiang Inventor after: Huang He Inventor after: Gao Song Inventor after: Zhang Kui Inventor after: Li Hong Inventor after: Dong Zisheng Inventor after: Fu Xiangyun Inventor after: Zhu Liwei Inventor before: Chen Xiaohua |
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Free format text: CORRECT: INVENTOR; FROM: CHEN XIAOHUA TO: YAN HUAIDONG WU QIANG HUANG HE GAO SONG ZHANG KUI LI HONG DONG ZISHENG FU XIANGYUN ZHU LIWEI Free format text: CORRECT: ADDRESS; FROM: 215500 SUZHOU, JIANGSU PROVINCE TO: NANJING, JIANGSU PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20141113 Address after: Shanghai Road, Nanjing, Jiangsu 215, China Patentee after: State Grid Corporation of China Patentee after: Jiangsu Electric Power Company Patentee after: Lianyungang Power Supply Company of Jiangsu Electric Power Company Address before: Double Bang village in Changshou City Xinzhuang Town Suzhou city Jiangsu province 215500 Patentee before: Changshu Huifeng Plastic Product Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20180709 |
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CF01 | Termination of patent right due to non-payment of annual fee |