离心铸造国内专利技术现状研究  

Study on Recent Status of Domestic Centrifugal Casting Patents

作　　者：王冠[1] 薛纪二[1] 

机构地区：[1]中国农业机械化科学研究院,北京100083

出　　处：《铸造技术》2011年第6期892-895,共4页Foundry Technology

摘　　要：为了解国内离心铸造行业专利申请现状并进而展望未来发展趋势,收集有关国内离心铸造的专利数据,并对其进行了统计分析,研究离心铸造领域专利申请的时间分布、领域分布情况,并从国别、省市、类型等角度出发分析了离心铸造领域专利的申请人、发明人概况,最后就主要申请人的专利技术状况进行分析,得出了有关离心铸造领域技术发展状态、专利申请热点、申请人分布等结论,希望对本行业的发展提供参考。To understand the patent application status of domestic centrifugal casting field and forecast the future developing trend,this paper collected and statistic analyzed the dates about domestic centrifugal casting patents.The time and field distribution of the patent application were studied.Besides,the nationality,province and classification of applicants and their inventors were also analyzed in detail at last.A conclusion was made on the technique developing status,patent application hotspots,applicants distribution status,main competitors and so on,which provided the reference to the domestic development in this art.

关 键 词：离心铸造 专利分析 时间分布 领域分布 申请人 

分 类 号：TG249.4[金属学及工艺—铸造]