Year | Patent for Invention | Design Patent | Foreign Resident Patent |
1909 | 36,562 | 387 | 3812 |
1919 | 36,795 | 1523 | 3687 |
1929 | 45,267 | 2907 | 5921 |
1939 | 43,073 | 5593 | 6338 |
1949 | 35,131 | 4451 | 3105 |
1959 | 52,408 | 2769 | 8340 |
1969 | 67,559 | 3335 | 17,573 |
1979 | 48,854 | 3119 | 19,462 |
1989 | 95,537 | 6092 | 47,804 |
1999 | 153,485 | 14,732 | 74,877 |
2009 | 167,349 | 23,116 | 96,677 |
2019 | 354,430 | 34,794 | 204,656 |