Analysis of Patents'Layout of the Shaft Sealing Technology in the Centrifugal Pump
In this paper,the incoPat global technology analysis operation platform is used as the data source,to search and count the centrifugal pump shaft sealing patents.From three dimensions of time,region and industry,the overall layout and development status of centrifugal pump shaft sealing patents in application trend,regional distribution and industry composition are analyzed.In terms of time dimension,the trend of patent application is analyzed,and the embryonic period,development period and maturity period of centrifugal pump shaft sealing technology are analyzed;in terms of regional dimension,the number of patents of centrifugal pump shaft sealing technology in each country and region is analyzed,and the active situation of technological innovation of centrifugal pump shaft sealing technology in different countries and regions is understood,so as to find the main source regions and important target markets of technological innovation;in terms of industry dimension,the distribution of centrifugal pump shaft sealing technology in various national economic industries is analyzed.Through the analysis of the composition of the national economy industry,this paper docks the economic dimension,masters the innovation activity of various industries.
NETL
NSTL
万方数据
