CN204021607U - 一种外浮顶石油储罐一、二次密封空间防燃爆安全装置 - Google Patents
一种外浮顶石油储罐一、二次密封空间防燃爆安全装置 Download PDFInfo
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- CN204021607U CN204021607U CN201420446811.XU CN201420446811U CN204021607U CN 204021607 U CN204021607 U CN 204021607U CN 201420446811 U CN201420446811 U CN 201420446811U CN 204021607 U CN204021607 U CN 204021607U
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CN201420446811.XU CN204021607U (zh) | 2014-08-09 | 2014-08-09 | 一种外浮顶石油储罐一、二次密封空间防燃爆安全装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104139931A (zh) * | 2014-08-09 | 2014-11-12 | 四川宏源德石化有限公司 | 一种外浮顶石油储罐一、二次密封空间防燃爆安全装置 |
CN111792211A (zh) * | 2019-11-18 | 2020-10-20 | 中国石油天然气集团有限公司 | 浮顶的密封装置、浮顶和浮顶罐 |
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- 2014-08-09 CN CN201420446811.XU patent/CN204021607U/zh not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104139931A (zh) * | 2014-08-09 | 2014-11-12 | 四川宏源德石化有限公司 | 一种外浮顶石油储罐一、二次密封空间防燃爆安全装置 |
CN104139931B (zh) * | 2014-08-09 | 2016-08-17 | 威特龙消防安全集团股份公司 | 一种外浮顶石油储罐一、二次密封空间防燃爆安全装置 |
CN111792211A (zh) * | 2019-11-18 | 2020-10-20 | 中国石油天然气集团有限公司 | 浮顶的密封装置、浮顶和浮顶罐 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: VITALONG FIREFIGHTING SAFETY GROUP CO., LTD. Free format text: FORMER OWNER: SICHUAN HONGYUANDE PETROCHEMICAL CO., LTD. Effective date: 20150420 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Yingbiao Inventor after: Li Wei Inventor after: Zhang Zongqin Inventor after: Zhang Ningjia Inventor before: Li Wei Inventor before: Zhang Zongqin Inventor before: Zhang Ningjia |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI WEI ZHANG ZONGQIN ZHANG NINGJIA TO: WANG YINGBIAO LI WEI ZHANG ZONGQIN ZHANG NINGJIA |
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TR01 | Transfer of patent right |
Effective date of registration: 20150420 Address after: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No. Patentee after: Witter joint-stock company of dragon security against fire group Address before: 611731, No. 99, No. 4, No. 9, 2, 1, West Avenue, hi tech West District, Sichuan, Chengdu Patentee before: SICHUAN HONGYUANDE PETROCHEMICAL CO., LTD. |
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AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160817 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |