CN201318128Y - 一种覆盖cvd金刚石涂层的石油钻头用硬质合金球头齿 - Google Patents
一种覆盖cvd金刚石涂层的石油钻头用硬质合金球头齿 Download PDFInfo
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- CN201318128Y CN201318128Y CNU2008202337804U CN200820233780U CN201318128Y CN 201318128 Y CN201318128 Y CN 201318128Y CN U2008202337804 U CNU2008202337804 U CN U2008202337804U CN 200820233780 U CN200820233780 U CN 200820233780U CN 201318128 Y CN201318128 Y CN 201318128Y
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Application Number | Priority Date | Filing Date | Title |
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CNU2008202337804U CN201318128Y (zh) | 2008-12-24 | 2008-12-24 | 一种覆盖cvd金刚石涂层的石油钻头用硬质合金球头齿 |
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CNU2008202337804U CN201318128Y (zh) | 2008-12-24 | 2008-12-24 | 一种覆盖cvd金刚石涂层的石油钻头用硬质合金球头齿 |
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CN201318128Y true CN201318128Y (zh) | 2009-09-30 |
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CNU2008202337804U Expired - Fee Related CN201318128Y (zh) | 2008-12-24 | 2008-12-24 | 一种覆盖cvd金刚石涂层的石油钻头用硬质合金球头齿 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111805172A (zh) * | 2020-06-11 | 2020-10-23 | 北京航天控制仪器研究所 | 高体积分数碳化硅颗粒增强铝基复合材料小螺纹加工方法 |
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- 2008-12-24 CN CNU2008202337804U patent/CN201318128Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111805172A (zh) * | 2020-06-11 | 2020-10-23 | 北京航天控制仪器研究所 | 高体积分数碳化硅颗粒增强铝基复合材料小螺纹加工方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LANGFANG WUBO DIAMOND CO., LTD. Free format text: FORMER OWNER: CHEN JIFENG Effective date: 20100308 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100018 BEIJING SUPOWER SCIENCE AND TECHNOLOGY DEVELOPING CO., LTD., PICUN INDUSTRIAL ZONE, JINZHAN TOWNSHIP, CHAOYANG DISTRICT, BEIJING CITY TO: 065300 XICHANGTAN ROAD NORTH, QIGEZHUANG VILLAGE, DACHANG COUNTY, LANGFANG CITY, HEBEI PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100308 Address after: 065300 Hebei city of Langfang province Dachang County Qi Ge Zhuang Cun Xian Tan Lubei Patentee after: Langfang Wu Bo diamond Co., Ltd. Address before: 100018, Beijing, Chaoyang District City, Beijing Village Industrial Park, Hipol Patentee before: Chen Jifeng |
|
ASS | Succession or assignment of patent right |
Owner name: LANGFANG SUPOWER SCIENCE AND TECHNOLOGY DEVELOPMEN Free format text: FORMER OWNER: LANGFANG HAOBO DIAMOND CO., LTD. Effective date: 20130308 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130308 Address after: Two Industrial Road, Baihe industrial area, Dachang County, Hebei, Langfang, China 065300 Patentee after: Langfang Supower Diamond Technology Co., Ltd. Address before: 065300 Hebei city of Langfang province Dachang County Qi Ge Zhuang Cun Xian Tan Lubei Patentee before: Langfang Haobo Diamond Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20161224 |
|
CF01 | Termination of patent right due to non-payment of annual fee |