海底管线用钢专利技术研发现状及发展趋势

RESEARCH STATUS ANALYSIS AND DEVELOPMENT TENDENCY OF PATENTED TECHNOLOGY OF SUBMARINE PIPELINE STEEL

以1990年1月1日到2019年9月30日期间全世界范围内公开的海底管线用钢专利技术为研究对象,运用专利信息分析方法对数据进行整理及全面、深入地分析,包括全球专利现状分析、中国专利现状分析以及重点专利挖掘三部分内容,概述了海底管线用钢专利申请趋势、专利分布、专利技术研发趋势、主要制造企业的研发方向及其关键化学成分、技术和性能。

Taking the patent technology of submarine pipeline steel published in the world from 1990.1.1to 2019.9.30 as the research object,This paper uses patent information analysis method to sort out and analyze the data comprehensively and deeply,including three parts:global patent status analysis,Chinese patent status analysis and key patent mining,summarizes the patent application trend,patent distribution,patent technology and trend,the direction of main manufacturing enterprises and their key chemical composition,technology and performance.