CN204186327U - 一种弹簧液压式隔水管串悬挂装置 - Google Patents
一种弹簧液压式隔水管串悬挂装置 Download PDFInfo
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- CN204186327U CN204186327U CN201420573697.7U CN201420573697U CN204186327U CN 204186327 U CN204186327 U CN 204186327U CN 201420573697 U CN201420573697 U CN 201420573697U CN 204186327 U CN204186327 U CN 204186327U
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104295255A (zh) * | 2014-09-30 | 2015-01-21 | 中国海洋石油总公司 | 一种弹簧液压式隔水管串悬挂装置及悬挂方法 |
CN113931582A (zh) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | 一种隔水管接头保护装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104295255A (zh) * | 2014-09-30 | 2015-01-21 | 中国海洋石油总公司 | 一种弹簧液压式隔水管串悬挂装置及悬挂方法 |
CN113931582A (zh) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | 一种隔水管接头保护装置 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CHINA University OF PETROLEUM (EAST CHINA) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: CHINA University OF PETROLEUM (EAST CHINA) |
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TR01 | Transfer of patent right | ||
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Effective date of registration: 20191209 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: CHINA University OF PETROLEUM (EAST CHINA) |
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CX01 | Expiry of patent term |
Granted publication date: 20150304 |