CN202673171U - 一种螺纹式隔水管接头 - Google Patents
一种螺纹式隔水管接头 Download PDFInfo
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- CN202673171U CN202673171U CN 201220347987 CN201220347987U CN202673171U CN 202673171 U CN202673171 U CN 202673171U CN 201220347987 CN201220347987 CN 201220347987 CN 201220347987 U CN201220347987 U CN 201220347987U CN 202673171 U CN202673171 U CN 202673171U
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CN 201220347987 CN202673171U (zh) | 2012-07-17 | 2012-07-17 | 一种螺纹式隔水管接头 |
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CN 201220347987 CN202673171U (zh) | 2012-07-17 | 2012-07-17 | 一种螺纹式隔水管接头 |
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CN202673171U true CN202673171U (zh) | 2013-01-16 |
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CN 201220347987 Expired - Lifetime CN202673171U (zh) | 2012-07-17 | 2012-07-17 | 一种螺纹式隔水管接头 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104594822A (zh) * | 2014-09-30 | 2015-05-06 | 山东祺龙海洋石油钢管股份有限公司 | 四头螺纹隔水套管快速连接装置 |
CN105888573A (zh) * | 2016-05-18 | 2016-08-24 | 建湖县永维阀门钻件有限公司 | 隔水导管螺纹连接接头 |
CN106014283A (zh) * | 2016-07-14 | 2016-10-12 | 中国海洋石油总公司 | 一种打桩式隔水导管接头 |
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2012
- 2012-07-17 CN CN 201220347987 patent/CN202673171U/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104594822A (zh) * | 2014-09-30 | 2015-05-06 | 山东祺龙海洋石油钢管股份有限公司 | 四头螺纹隔水套管快速连接装置 |
CN105888573A (zh) * | 2016-05-18 | 2016-08-24 | 建湖县永维阀门钻件有限公司 | 隔水导管螺纹连接接头 |
CN105888573B (zh) * | 2016-05-18 | 2017-02-22 | 建湖县永维阀门钻件有限公司 | 隔水导管螺纹连接接头 |
CN106014283A (zh) * | 2016-07-14 | 2016-10-12 | 中国海洋石油总公司 | 一种打桩式隔水导管接头 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100016 4705 mailbox, CNOOC building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100016 4705 mailbox, CNOOC building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
CX01 | Expiry of patent term |