CN214463997U - 岩屑床清除装置 - Google Patents
岩屑床清除装置 Download PDFInfo
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- CN214463997U CN214463997U CN202120247856.4U CN202120247856U CN214463997U CN 214463997 U CN214463997 U CN 214463997U CN 202120247856 U CN202120247856 U CN 202120247856U CN 214463997 U CN214463997 U CN 214463997U
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Application Number | Priority Date | Filing Date | Title |
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CN202120247856.4U CN214463997U (zh) | 2021-01-28 | 2021-01-28 | 岩屑床清除装置 |
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CN202120247856.4U CN214463997U (zh) | 2021-01-28 | 2021-01-28 | 岩屑床清除装置 |
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CN214463997U true CN214463997U (zh) | 2021-10-22 |
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CN202120247856.4U Active CN214463997U (zh) | 2021-01-28 | 2021-01-28 | 岩屑床清除装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220628 Address after: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: China University of Petroleum (Beijing) Patentee after: SINOPEC CHONGQING FULING SHALE GAS EXPLORATION AND DEVELOPMENT Co.,Ltd. Address before: 404100 No. 6 Hefeng Avenue, Xincheng District, Fuling District, Chongqing Patentee before: SINOPEC CHONGQING FULING SHALE GAS EXPLORATION AND DEVELOPMENT Co.,Ltd. Patentee before: China University of Petroleum (Beijing) |
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TR01 | Transfer of patent right |