Patent Application State and Technical Analysis for Separating Dis-persed Particles by Electrostatic Effect
[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.
electrostatic precipitatorpatent applicationhigh voltage power supplyelectrodecollection electrode
万方数据
维普
