摘要
基于DWPI数据库(德温特世界专利索引数据库),通过对国外涉及抽油机的专利文献进行检索,对抽油机技术的相关专利进行分析和总结;重点从国外专利申请的年代分布、技术主题分布、区域分布、原创国别分布等角度进行全方位的统计分析和研究;从专利角度解读国外抽油机技术的技术现状、发展情况、未来趋势,为我国创新主体在抽油机技术的研发方向、专利布局等方面提供建议。
Based on DWPI database(Derwent World Patents Index database),by searching patents involving pumping unit of foreign,the relevant patents about pumping unit technology was analyzed and summarized. Full range of statistical analysis and research was done,mainly on patent application year's distribution of domestic and foreign patents,technology theme distribution,regional distribution,distribution of original country perspective. Technology situation,development,and future trends were explained from the patent perspective. Suggestions were provided from development direction of the pumping unit technology and patent layout etc,for innovative bodies of our country.
出处
《石化技术》
CAS
2015年第8期271-272,共2页
Petrochemical Industry Technology
关键词
抽油机
专利分析
游粱
长冲程
pumping unit
patent analysis
beam
long stoke