CN203948042U - 内压式方钻杆顺止防喷接头 - Google Patents
内压式方钻杆顺止防喷接头 Download PDFInfo
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- CN203948042U CN203948042U CN201420348996.0U CN201420348996U CN203948042U CN 203948042 U CN203948042 U CN 203948042U CN 201420348996 U CN201420348996 U CN 201420348996U CN 203948042 U CN203948042 U CN 203948042U
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CN201420348996.0U CN203948042U (zh) | 2014-06-27 | 2014-06-27 | 内压式方钻杆顺止防喷接头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109915524A (zh) * | 2017-12-13 | 2019-06-21 | 株洲飞马橡胶实业有限公司 | 一种可连续使用的新型单囊式橡胶空气弹簧 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109915524A (zh) * | 2017-12-13 | 2019-06-21 | 株洲飞马橡胶实业有限公司 | 一种可连续使用的新型单囊式橡胶空气弹簧 |
CN109915524B (zh) * | 2017-12-13 | 2024-04-12 | 株洲飞马橡胶实业有限公司 | 一种可连续使用的单囊式橡胶空气弹簧 |
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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: SHENGLI OIL FIELD HAISHENG INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: DONGYING SANSHUN PETROLEUM ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20150521 |
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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 Xiaowei Inventor before: Wang Xiaowei Inventor before: Zhang Hao Inventor before: Jiang Lanqi Inventor before: Liu Youyun Inventor before: Yu Xiaofang Inventor before: Wang Yanfei |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG XIAOWEI ZHANG HAO JIANG LANQI LIU YOUYUN YU XIAOFANG WANG YANFEI TO: WANG XIAOWEI Free format text: CORRECT: ADDRESS; FROM: 257000 DONGYING, SHANDONG PROVINCE TO: 257200 DONGYING, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150521 Address after: 257200, No. 15, River Road, Hekou District, Shandong, Dongying Patentee after: Shengli Oil Field Haisheng Industrial Co., Ltd. Address before: Shunhua District Jining road 257000 in Shandong Province, Dongying city Dongying District No. 23 building 3 unit 402 room Patentee before: Dongying three is along petroleum works technology Co., Ltd |