CN203131235U - 一种中、高压油气专用双金属复合管 - Google Patents
一种中、高压油气专用双金属复合管 Download PDFInfo
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- CN203131235U CN203131235U CN 201220733312 CN201220733312U CN203131235U CN 203131235 U CN203131235 U CN 203131235U CN 201220733312 CN201220733312 CN 201220733312 CN 201220733312 U CN201220733312 U CN 201220733312U CN 203131235 U CN203131235 U CN 203131235U
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CN 201220733312 CN203131235U (zh) | 2012-12-28 | 2012-12-28 | 一种中、高压油气专用双金属复合管 |
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CN 201220733312 CN203131235U (zh) | 2012-12-28 | 2012-12-28 | 一种中、高压油气专用双金属复合管 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103807517A (zh) * | 2014-02-23 | 2014-05-21 | 芜湖鑫力管道技术有限公司 | 流体输送用内旋压不锈钢复合管道 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103807517A (zh) * | 2014-02-23 | 2014-05-21 | 芜湖鑫力管道技术有限公司 | 流体输送用内旋压不锈钢复合管道 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ZHONGJIYAN TECHNOLOGY (BEIJING) CO., LTD. Free format text: FORMER OWNER: HUAYOU LANHAI OIL AND GAS TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20150422 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150422 Address after: 100101 Beijing City, Chaoyang District Huizhong Lane 103 building B block 1410-A Patentee after: In terms of research science and Technology (Beijing) Co., Ltd. Address before: 100101 Beijing City, Chaoyang District Huizhong Lane 103 building 14 storey block B room 1410-B Patentee before: China Oil Blue Ocean Petroleum Technology, Inc. |
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DD01 | Delivery of document by public notice |
Addressee: In terms of research science and Technology (Beijing) Co., Ltd. Document name: Notification to Pay the Fees |
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DD01 | Delivery of document by public notice |
Addressee: In terms of research science and Technology (Beijing) Co., Ltd. Document name: Notification of Termination of Patent Right |
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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: 20130814 Termination date: 20151228 |