CN203602302U - 一种新型石油钻井用电磁涡流刹车冷却装置 - Google Patents
一种新型石油钻井用电磁涡流刹车冷却装置 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105953625A (zh) * | 2016-05-03 | 2016-09-21 | 武汉理工大学 | 电磁涡流刹车的废热利用系统及方法 |
CN107631650A (zh) * | 2017-10-26 | 2018-01-26 | 浙江耀飞生物科技有限公司 | 一种兽药液体冷却装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105953625A (zh) * | 2016-05-03 | 2016-09-21 | 武汉理工大学 | 电磁涡流刹车的废热利用系统及方法 |
CN107631650A (zh) * | 2017-10-26 | 2018-01-26 | 浙江耀飞生物科技有限公司 | 一种兽药液体冷却装置 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: FD PETROL GROUP COMPANY Free format text: FORMER NAME: CANGZHOU HUAYOU FEIDA DRILLING EQUIPMENT CO., LTD. |
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CP03 | Change of name, title or address |
Address after: 061000 Cangzhou Economic Development Zone, Hebei, Xinhua District, Cangzhou Patentee after: FD PETROL Group Co. Address before: 061000 Xinhua Industrial Zone, Hebei, Cangzhou Patentee before: CANGZHOU PD PETROL DRILLING AND PRODUCTION EQUIPMENT Co.,Ltd. |
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C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Hongkui Inventor after: Yu Shuqing Inventor after: Shi Zhiwei Inventor after: Wang Bo Inventor after: Wei Wei Inventor after: Sun Jiongjiong Inventor after: Zhang Yongze Inventor after: Wang Jingyuan Inventor after: Zhang Yanjun Inventor before: Yu Shuqing |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YU SHUQING TO: LI HONGKUI YU SHUQING SHI ZHIWEI WANG BO WEI WEI SUN JIONGJIONG ZHANG YONGZE WANG JINGYUAN ZHANG YANJUN |
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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: 20140521 Termination date: 20211130 |