Table 4-10. R&D intensity of U.S. manufacturing industries, 1961-72 



Industry groups 



1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Group I 9.4 



Group II 2.1 



Group III 0.6 



Group I 3.2 



Group II 1.7 



Group III 0.4 



Group I 53.0 



Group II 17.1 



Group III 6.4 



Total R&D as a percent of net sales 



9.2 

 2.1 

 0.6 



10.0 

 2.1 

 0.6 



10.1 

 2.2 

 0.6 



9.4 

 2.0 

 0.6 



1.9 

 0.6 



8.7 

 1.9 

 0.7 



8.1 

 1.8 

 0.6 



7.9 

 1.8 

 0.7 



7.1 

 1.9 

 0.7 



6.9 

 1.8 

 0.6 



3.2 

 1.6 

 0.5 



3.4 

 1.6 

 0.4 



3.4 



1.7 

 0.5 



3.5 

 1.6 

 0.5 



3.4 

 1.6 

 0.4 



3.6 

 1.5 

 0.6 



3.5 

 1.5 

 0.4 



3.7 

 1.6 

 0.4 



3.5 

 1.7 

 0.5 



3.5 

 1.6 

 0.4 



6.8 

 1.8 

 0.6 



Company funds for R&D as a percent of net sales 



3.4 

 1.6 

 0.4 



R&D scientists and engineers per 1,000 employees 



SOURCE National Science Foundation, Research and Development in Industry. 1973. (NSF 75-315). 



Table 4-11. U.S. patents granted for inventions, 1960-73 



U.S. residents 



Year 



All 

 patents 



1960 47,170 



1961 48,368 



1962 55,691 



1963 45,679 



1964 47,376 



1965 62,857 



1 966 68.406 



1967 65,652 



1968 59,102 



1969 67,557 



1970 64,427 



1971 78,316 



1 972 74,808 



1973 74,139 



SOURCE. Department of Commerce. Statistical Abstracts of the U.S., 1960- 74. 



219 



