Table 4-13. U.S. patents granted for inventions in major product fields, 

 by groups of R&D-intensive industries, 1963-73 



R&D intensity 1963 



1964 



1965 



1966 



1967 



1968 



1969 



1970 



1971 



1972 



1973 



Group I . . 

 Group II . . 

 Group III . 



Group I 31,250 



Group II 14,343 



Group III .... 1,900 



32.854 



14,580 



1,872 



43,719 



19,409 



2,287 



48,148 



20,489 



2,489 



45,595 



20,136 



2,525 



40,862 



18,372 



2,212 



47,340 



20,298 



2,599 



45,749 



18,621 



2,545 



55,530 



22,717 



3,175 



52,576 52,646 



21,777 21,505 



3,267 2,852 



NOTE Detail may not add to totals because of rounding 



SOURCE: Office of Tecfinology Assessment and Forecast, U.S. Patent Office, special tabulations. 



Table 4-14. Distribution of major U.S. innovations, by size of company, 1953-73 



Period 



Size of company 



1953-73 ... 



1953-59 

 1960-66 

 1967-73 



1953-73 .... 



1953-59 

 1960-66 

 1967-73 



277 



54 



Number of innovations 



63 



38 



16 



106 



NOTE: Detail may not add to totals because of rounding 



SOURCE Gellman Research Associates, Inc , Indicators of International Trends in Technological Innovation 1975 (A 

 study commissioned specifically for this report). 



222 



