CN210067999U - 一种油井管柱连接接头 - Google Patents
一种油井管柱连接接头 Download PDFInfo
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- CN210067999U CN210067999U CN201920352262.2U CN201920352262U CN210067999U CN 210067999 U CN210067999 U CN 210067999U CN 201920352262 U CN201920352262 U CN 201920352262U CN 210067999 U CN210067999 U CN 210067999U
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CN201920352262.2U CN210067999U (zh) | 2019-03-20 | 2019-03-20 | 一种油井管柱连接接头 |
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CN201920352262.2U CN210067999U (zh) | 2019-03-20 | 2019-03-20 | 一种油井管柱连接接头 |
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CN210067999U true CN210067999U (zh) | 2020-02-14 |
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CN201920352262.2U Withdrawn - After Issue CN210067999U (zh) | 2019-03-20 | 2019-03-20 | 一种油井管柱连接接头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109882088A (zh) * | 2019-03-20 | 2019-06-14 | 上海海隆石油管材研究所 | 一种油井管柱连接接头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109882088A (zh) * | 2019-03-20 | 2019-06-14 | 上海海隆石油管材研究所 | 一种油井管柱连接接头 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210915 Address after: 1825-1 Luodong Road, Baoshan District, Shanghai 201901 Patentee after: SHANGHAI HILONG DIRLL PIPES Co.,Ltd. Patentee after: SHANGHAI HILONG PETROLEUM TUBULAR GOODS Research Institute Address before: No. 1825 Luodong Road, Baoshan District, Shanghai, 2010 Patentee before: SHANGHAI HILONG PETROLEUM TUBULAR GOODS Research Institute |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20200214 Effective date of abandoning: 20220218 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20200214 Effective date of abandoning: 20220218 |