Patent applications per year

Year #
1911 1
1920 1
1922 1
1923 2
1928 2
1931 2
1932 3
1933 3
1936 1
1938 2
1939 1
1940 2
1943 1
1945 1
1949 1
1950 1
1951 1
1952 2
1953 1
1954 1
1955 1
1957 2
1958 2
1959 6
1960 5
1961 3
1962 3
1963 5
1964 6
1965 3
1966 5
1967 4
1968 4
1969 9
1970 11
1971 14
1972 22
1973 17
1974 10
1975 9
1976 10
1977 11
1978 14
1979 8
1980 16
1981 11
1982 9
1983 10
1984 13
1985 13
1986 14
1987 20
1988 19
1989 17
1990 17
1991 17
1992 10
1993 12
1994 8
1995 15
1996 11
1997 5
1998 10
1999 11
2000 11
2001 21
2002 14
2003 21
2004 28
2005 32
2006 32
2007 35
2008 28
2009 26
2010 15
Checked
3 April 2013
Published
18 August 2011
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