美国专利检索

incopat global patent database, support ipc query tool, suppot using ipc number to search for related technology classification or use key words to find out related ipc number. while there is no matched classification number, the system will help recommend related numbers through ai.free trial ! use english and chinese to search 140 million patents of 120 authorities. reliable data source, ai search, 3d analyze. support 296 searching fields including patent litigation, patent family, citation and so on.