静电效应分离弥散颗粒技术的专利申请态势和技术分析  

Patent Application State and Technical Analysis for Separating Dispersed Particles by Electrostatic Effect

作　　者：马雪 MA Xue(Patent Examination Cooperation Guangdong Center of the Patent Office,CNIPA,Guangzhou 510000,China)

机构地区：[1]国家知识产权局专利局专利审查协作广东中心,广东广州510000

出　　处：《河南科技》2024年第15期129-133,共5页Henan Science and Technology

摘　　要：【目的】对静电效应分离弥散颗粒技术的专利申请态势和技术进行分析,明确技术热点和研发方向,提高专利申请质量。【方法】通过分类号和关键词进行检索,从专利申请量、主要专利申请人、有效专利全球分布国别这三方面直观展现目前的专利申请态势,以静电效应分离弥散颗粒技术的工作原理为切入点,通过典型专利申请案例分析研究技术组成。【结果】该技术的专利申请量呈逐年上升趋势并已进入平稳成熟期,申请人以中国、韩国、日本、美国企业为主,亚洲国家正不断推进该技术的发展,美国和一些欧洲国家致力于技术改进。【结论】专利申请主要以高压电源、放电极、集尘极为研究方向,并逐渐通过推进复合式技术、新型材料、控制流程等方面进行技术改进和创新。[Purposes]This paper analyzes the patent application situation and technical analysis of sepa⁃rating dispersion particle by electrostatic effect technology,and the technical hotspot and research as well as development direction are clarified to improve the quality of patent application.[Methods]Through the search of classification numbers and keywords,the current patent application situation is in⁃tuitively displayed from three aspects:the number of patent applications,the main patent applicants,and the global distribution of valid patents.Taking the working principle of separating dispersion particle by electrostatic effect technology as the starting point,the technical composition is analyzed through typical patent application cases.[Findings]The number of patent applications for this technology is increasing year by year and has entered a stable mature period.The applicants are mainly Chinese,Korean,Japa⁃nese and American enterprises.Asian countries are constantly promoting the development of this technol⁃ogy,and the United States and some European countries are committed to technological improvement.[Conclusions]The patent application mainly focuses on the research of high voltage power supply,elec⁃trode and collection electrode,and gradually carries out technical improvement and innovation by pro⁃moting composite technology,new materials,control process and other aspects.

关 键 词：静电除尘 专利申请 高压电源 放电极 集尘极 

分 类 号：TL352[核科学技术—核技术及应用] G255.53[文化科学—图书馆学]