CN204691722U - 自填料抽油井光杆密封器 - Google Patents
自填料抽油井光杆密封器 Download PDFInfo
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- CN204691722U CN204691722U CN201520400582.2U CN201520400582U CN204691722U CN 204691722 U CN204691722 U CN 204691722U CN 201520400582 U CN201520400582 U CN 201520400582U CN 204691722 U CN204691722 U CN 204691722U
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- stuffing box
- tube connector
- driving body
- filler
- pressing cap
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CN201520400582.2U CN204691722U (zh) | 2015-06-11 | 2015-06-11 | 自填料抽油井光杆密封器 |
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CN201520400582.2U CN204691722U (zh) | 2015-06-11 | 2015-06-11 | 自填料抽油井光杆密封器 |
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CN204691722U true CN204691722U (zh) | 2015-10-07 |
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CN201520400582.2U Active CN204691722U (zh) | 2015-06-11 | 2015-06-11 | 自填料抽油井光杆密封器 |
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CN (1) | CN204691722U (zh) |
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2015
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Jinshan Inventor before: Liu Jinshan Inventor before: Zhou Changsheng Inventor before: Liu Ming Inventor before: Xiao Kun Inventor before: Ma Tao Inventor before: Liu Kai Inventor before: Guo Wenfeng |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230803 Address after: 257000 No.13 Xingyuan Road, modern service area, western suburb of Dongying, Dongying District, Dongying City, Shandong Province Patentee after: DONGYING JINWANG PETROLEUM MACHINERY MANUFACTURING CO.,LTD. Address before: 2-115 mailbox, Shengli oil production plant, Dongying District, Shandong, Dongying 257051, China Patentee before: Dongying Jinshan Petroleum Machinery Manufacturing Co.,Ltd. |
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TR01 | Transfer of patent right |