CN1332118C - 智能型外装式变速电动滚筒抽油机 - Google Patents
智能型外装式变速电动滚筒抽油机 Download PDFInfo
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- CN1332118C CN1332118C CNB2004100362102A CN200410036210A CN1332118C CN 1332118 C CN1332118 C CN 1332118C CN B2004100362102 A CNB2004100362102 A CN B2004100362102A CN 200410036210 A CN200410036210 A CN 200410036210A CN 1332118 C CN1332118 C CN 1332118C
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CNB2004100362102A CN1332118C (zh) | 2004-11-03 | 2004-11-03 | 智能型外装式变速电动滚筒抽油机 |
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CNB2004100362102A CN1332118C (zh) | 2004-11-03 | 2004-11-03 | 智能型外装式变速电动滚筒抽油机 |
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CN1603572A CN1603572A (zh) | 2005-04-06 |
CN1332118C true CN1332118C (zh) | 2007-08-15 |
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CNB2004100362102A Active CN1332118C (zh) | 2004-11-03 | 2004-11-03 | 智能型外装式变速电动滚筒抽油机 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101479481B (zh) * | 2006-02-01 | 2012-10-10 | 佩特罗水力起重系统有限公司 | 液压油井抽油装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1085292A (zh) * | 1992-10-06 | 1994-04-13 | 北京市西城区新开通用试验厂 | 桅杆式数控抽油机 |
CN1125812A (zh) * | 1994-12-30 | 1996-07-03 | 北京市西城区新开通用试验厂 | 滚筒式顶驱数控抽油机 |
CN2507994Y (zh) * | 2001-07-27 | 2002-08-28 | 沈阳金田石油机械制造有限公司 | 滚筒式抽油机 |
CN1369640A (zh) * | 2001-02-16 | 2002-09-18 | 卢旭 | 一种采油机钢缆提升带的驱动装置 |
CN2725519Y (zh) * | 2004-06-15 | 2005-09-14 | 山东创新石油技术有限公司 | 智能型外装式变速电动滚筒抽油机 |
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- 2004-11-03 CN CNB2004100362102A patent/CN1332118C/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1085292A (zh) * | 1992-10-06 | 1994-04-13 | 北京市西城区新开通用试验厂 | 桅杆式数控抽油机 |
CN1125812A (zh) * | 1994-12-30 | 1996-07-03 | 北京市西城区新开通用试验厂 | 滚筒式顶驱数控抽油机 |
CN1369640A (zh) * | 2001-02-16 | 2002-09-18 | 卢旭 | 一种采油机钢缆提升带的驱动装置 |
CN2507994Y (zh) * | 2001-07-27 | 2002-08-28 | 沈阳金田石油机械制造有限公司 | 滚筒式抽油机 |
CN2725519Y (zh) * | 2004-06-15 | 2005-09-14 | 山东创新石油技术有限公司 | 智能型外装式变速电动滚筒抽油机 |
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CN1603572A (zh) | 2005-04-06 |
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GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shengli Petroleum Engineering Co. Ltd. senuo victory Assignor: Shandong Innovation Petrotech Co., Ltd. Contract fulfillment period: 2008.12.31 to 2024.11.2 contract change Contract record no.: 2009370000020 Denomination of invention: Intelligent oil pumping unit with externally installed variable-speed motorized pulley Granted publication date: 20070815 License type: Exclusive license Record date: 2009.3.23 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.31 TO 2024.11.2; CHANGE OF CONTRACT Name of requester: SHENGLI PETROLEUM SHENGNUO ENGINEERING CO., LTD. Effective date: 20090323 |
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EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Shengli Petroleum Engineering Co. Ltd. senuo victory Assignor: Shandong Innovation Petrotech Co., Ltd. Contract record no.: 2009370000020 Date of cancellation: 20130826 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |