CN205172459U - 一种防腐蚀防粘扣油套管接箍 - Google Patents
一种防腐蚀防粘扣油套管接箍 Download PDFInfo
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- CN205172459U CN205172459U CN201520715365.2U CN201520715365U CN205172459U CN 205172459 U CN205172459 U CN 205172459U CN 201520715365 U CN201520715365 U CN 201520715365U CN 205172459 U CN205172459 U CN 205172459U
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CN201520715365.2U CN205172459U (zh) | 2015-09-16 | 2015-09-16 | 一种防腐蚀防粘扣油套管接箍 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110284843A (zh) * | 2019-07-01 | 2019-09-27 | 山西中能企服环保科技有限公司 | 一种防腐防粘扣耐高温油套管连接器及其制备方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110284843A (zh) * | 2019-07-01 | 2019-09-27 | 山西中能企服环保科技有限公司 | 一种防腐防粘扣耐高温油套管连接器及其制备方法 |
CN110284843B (zh) * | 2019-07-01 | 2021-06-22 | 山西中能企服环保科技有限公司 | 一种防腐防粘扣耐高温油套管连接器及其制备方法 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
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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CP03 | Change of name, title or address | ||
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. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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 Effective date of registration: 20220712 Granted publication date: 20160420 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 | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230714 Granted publication date: 20160420 Pledgee: Dongying laishang Village Bank Co.,Ltd. Xindian sub branch Pledgor: Shandong Yongli Jinggong Petroleum Equipment Co.,Ltd. Registration number: Y2022980010291 |