热泵烘干系统中国专利申请概况

Status of patent application for heat pump drying system in China

本文通过在中国专利数据库中对热泵烘干系统进行检索,分析了在1987—2017年中国专利申请量的年代变化,国别分布,申请人分布以及专利申请核心技术。本文针对每一项核心技术列举了主要的技术手段,总结了该领域目前的发展趋势,为该技术领域进一步发展提供有利信息,为技术开发人员和相关企业提供研究的参考。

In this paper,patent about heat pump drying system is searched in Chinese patent database,and they are analyzed through chorological changes,country distribution,applicant distribution and the key technique of invention on patent application in 1987-2017.Main technique means are listed for each key technique,and development trend in this filed is summarized,for the purpose of providing useful information for further development in this technique filed and supplying technology developers and enterprise with reference of researching.