CN202453057U - 液压称重单元和万吨级液压电子秤 - Google Patents
液压称重单元和万吨级液压电子秤 Download PDFInfo
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- CN202453057U CN202453057U CN2011205716255U CN201120571625U CN202453057U CN 202453057 U CN202453057 U CN 202453057U CN 2011205716255 U CN2011205716255 U CN 2011205716255U CN 201120571625 U CN201120571625 U CN 201120571625U CN 202453057 U CN202453057 U CN 202453057U
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Cited By (1)
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CN102538921A (zh) * | 2011-12-29 | 2012-07-04 | 湛江南海西部石油合众近海建设有限公司 | 液压称重单元和万吨级液压电子秤 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102538921A (zh) * | 2011-12-29 | 2012-07-04 | 湛江南海西部石油合众近海建设有限公司 | 液压称重单元和万吨级液压电子秤 |
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C14 | Grant of patent or utility model | ||
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Owner name: CNOOC ENERGY TECHNOLOGY + SERVICES LIMITED ZHANJIA Effective date: 20120830 Owner name: CHINA MARINE PETROLEUM GENERAL CO. Free format text: FORMER OWNER: ZHANJIANG NANHAI XIBU PETROLEUM HEZHONG OFFSHORE CONSTRUCTION CO., LTD. Effective date: 20120830 |
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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: 524057 ZHANJIANG, GUANGDONG PROVINCE TO: 100010 DONGCHENG, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20120830 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Energy Development Co., Ltd. Patentee after: Zhanjiang Nanhai West Petroleum Hezhong Offshore Construction Co., Ltd. Address before: 524057 Guangdong province Zhanjiang City Potou District Education Road Patentee before: Zhanjiang Nanhai West Petroleum Hezhong Offshore Construction Co., Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Patentee after: Energy development equipment technology Co., Ltd of CNOOC Patentee after: Zhanjiang Nanhai West Petroleum Hezhong Offshore Construction Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. Patentee before: Zhanjiang Nanhai West Petroleum Hezhong Offshore Construction Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20191229 |