CN205189780U - 一种防腐蚀防粘扣油套管接箍及其连接结构 - Google Patents
一种防腐蚀防粘扣油套管接箍及其连接结构 Download PDFInfo
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- CN205189780U CN205189780U CN201520715422.7U CN201520715422U CN205189780U CN 205189780 U CN205189780 U CN 205189780U CN 201520715422 U CN201520715422 U CN 201520715422U CN 205189780 U CN205189780 U CN 205189780U
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CN110130839A (zh) * | 2019-04-30 | 2019-08-16 | 中国石油天然气集团有限公司 | 一种钢管接头的环式密封结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110130839A (zh) * | 2019-04-30 | 2019-08-16 | 中国石油天然气集团有限公司 | 一种钢管接头的环式密封结构 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 2, Dongying District, Dongying City, Shandong Province, 257100 Patentee after: SHANDONG YONGLIJINGGONG PETROLEUM EQUIPMENT CO.,LTD. Address before: No. 2, Dongying District, Dongying City, Shandong Province, 257100 Patentee before: DONGYING CITY YONGLIJINGGONG PETROLEUM MACHINERY MANUFACTURING Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP03 | Change of name, title or address |
Address after: 257000 No.1, jinxiangshan Road, Dongying District, Dongying City, Shandong Province Patentee after: Shandong Yongli Jinggong Petroleum Equipment Co.,Ltd. Address before: 257100 No.2, Nanyi Road, Dongying District, Dongying City, Shandong Province Patentee before: SHANDONG YONGLIJINGGONG PETROLEUM EQUIPMENT CO.,LTD. |
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CP03 | Change of name, title or address | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti-corrosion and anti sticking oil casing coupling and its connecting structure Effective date of registration: 20220712 Granted publication date: 20160427 Pledgee: Dongying laishang Village Bank Co.,Ltd. Xindian sub branch Pledgor: Shandong Yongli Jinggong Petroleum Equipment Co.,Ltd. Registration number: Y2022980010291 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230714 Granted publication date: 20160427 Pledgee: Dongying laishang Village Bank Co.,Ltd. Xindian sub branch Pledgor: Shandong Yongli Jinggong Petroleum Equipment Co.,Ltd. Registration number: Y2022980010291 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |