专利视角下褐煤预干燥发电技术研究进展

Research Progress of Lignite Pre-drying Power Generation Technology from the Perspective of Patent Analysis

通过对国内外褐煤预干燥发电技术领域专利文献的收集、标引和梳理,分析该领域国内外专利申请情况、重要申请人的技术发展状态、专利布局、技术分布和主要技术分支演进路线;在此基础上指出我国在该领域专利布局的特点和存在的不足,并总结和展望褐煤预干燥发电技术未来的发展目标和方向,旨在全面了解褐煤预干燥发电技术国内外发展态势,为我国相关产业发展方向和专利有效开发保护提供指引。

Based on collecting,indexing and summarizing the patent documents about lignite pre-drying power generation technology in domestic and overseas,this paper analyzes global distributions of patent applications,technical development of the important applicants,patent portfolios,the evolution and distributions of the technology.Then,it points out the characteristics and shortcomings of China’s patent portfolio,summarizes and expects the direction and development goal of lignite pre-drying power generation technology,so as to entirely understand the development trend of this technology and offer guidance for the evolution direction of related industries and effective patent development and protection.