CN203322253U - 人孔结构 - Google Patents
人孔结构 Download PDFInfo
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- CN203322253U CN203322253U CN2013203054004U CN201320305400U CN203322253U CN 203322253 U CN203322253 U CN 203322253U CN 2013203054004 U CN2013203054004 U CN 2013203054004U CN 201320305400 U CN201320305400 U CN 201320305400U CN 203322253 U CN203322253 U CN 203322253U
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CN2013203054004U CN203322253U (zh) | 2013-05-30 | 2013-05-30 | 人孔结构 |
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CN2013203054004U CN203322253U (zh) | 2013-05-30 | 2013-05-30 | 人孔结构 |
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CN203322253U true CN203322253U (zh) | 2013-12-04 |
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CN2013203054004U Expired - Lifetime CN203322253U (zh) | 2013-05-30 | 2013-05-30 | 人孔结构 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104728440A (zh) * | 2015-04-01 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | 高压快开人孔装置 |
CN106862906A (zh) * | 2015-12-10 | 2017-06-20 | 核动力运行研究所 | 蒸汽发生器人孔盖拆装与定位装置 |
CN107138109A (zh) * | 2017-07-17 | 2017-09-08 | 衡阳屹顺化工有限公司 | 一种反应釜的人孔盖开关装置 |
-
2013
- 2013-05-30 CN CN2013203054004U patent/CN203322253U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104728440A (zh) * | 2015-04-01 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | 高压快开人孔装置 |
CN106862906A (zh) * | 2015-12-10 | 2017-06-20 | 核动力运行研究所 | 蒸汽发生器人孔盖拆装与定位装置 |
CN107138109A (zh) * | 2017-07-17 | 2017-09-08 | 衡阳屹顺化工有限公司 | 一种反应釜的人孔盖开关装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee after: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Patentee after: China Textile Industry Design Institute Address before: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Patentee before: China Textile Industry Design Institute |
|
TR01 | Transfer of patent right |
Effective date of registration: 20170214 Address after: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee after: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Address before: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Patentee before: China Textile Industry Design Institute |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Address before: 100037 No. 21, shining road, Beijing, Haidian District Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131204 |