CN2761814Y - 一种镶嵌有固体润滑剂的滑动轴承抽油杆防磨器 - Google Patents
一种镶嵌有固体润滑剂的滑动轴承抽油杆防磨器 Download PDFInfo
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- CN2761814Y CN2761814Y CN 200520028181 CN200520028181U CN2761814Y CN 2761814 Y CN2761814 Y CN 2761814Y CN 200520028181 CN200520028181 CN 200520028181 CN 200520028181 U CN200520028181 U CN 200520028181U CN 2761814 Y CN2761814 Y CN 2761814Y
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CN 200520028181 CN2761814Y (zh) | 2005-01-21 | 2005-01-21 | 一种镶嵌有固体润滑剂的滑动轴承抽油杆防磨器 |
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CN 200520028181 CN2761814Y (zh) | 2005-01-21 | 2005-01-21 | 一种镶嵌有固体润滑剂的滑动轴承抽油杆防磨器 |
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CN2761814Y true CN2761814Y (zh) | 2006-03-01 |
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CN 200520028181 Expired - Fee Related CN2761814Y (zh) | 2005-01-21 | 2005-01-21 | 一种镶嵌有固体润滑剂的滑动轴承抽油杆防磨器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102644445A (zh) * | 2011-12-21 | 2012-08-22 | 贵州高峰石油机械股份有限公司 | 滚轮式稳定器和划眼器滚轮部件的自润滑方法及结构 |
CN102943635A (zh) * | 2012-11-21 | 2013-02-27 | 中国石油大学(北京) | 变径、减磨钻柱扶正器 |
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2005
- 2005-01-21 CN CN 200520028181 patent/CN2761814Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102644445A (zh) * | 2011-12-21 | 2012-08-22 | 贵州高峰石油机械股份有限公司 | 滚轮式稳定器和划眼器滚轮部件的自润滑方法及结构 |
CN102644445B (zh) * | 2011-12-21 | 2015-06-17 | 贵州高峰石油机械股份有限公司 | 滚轮式稳定器和划眼器滚轮部件的自润滑方法及结构 |
CN102943635A (zh) * | 2012-11-21 | 2013-02-27 | 中国石油大学(北京) | 变径、减磨钻柱扶正器 |
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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: DAQING DING AO OILFIELD TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG JINGDONG; PATENTEE Effective date: 20080201 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080201 Address after: Daqing City, Heilongjiang Province Dongfeng Village map area by shar three Street No. 169, zip code: 163311 Patentee after: Daqing Ding Ao Oilfield Technology Co., Ltd. Address before: Room 5, building 404, Xinjie garden, Xiangzhou District, Guangdong, Zhuhai, 519000 Co-patentee before: Zhang Fa Patentee before: Wang Jing Dong |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060301 Termination date: 20130121 |
|
CF01 | Termination of patent right due to non-payment of annual fee |