Patent applications per year

Year #
1921 1
1925 1
1947 1
1960 2
1962 2
1963 3
1965 1
1966 1
1969 2
1970 1
1971 2
1972 6
1973 4
1974 7
1975 6
1976 3
1977 4
1978 3
1979 2
1980 3
1981 5
1982 2
1983 6
1984 2
1985 9
1986 19
1987 8
1988 5
1989 11
1990 6
1991 11
1992 13
1993 11
1994 12
1995 23
1996 27
1997 18
1998 29
1999 31
2000 29
2001 31
2002 42
2003 42
2004 57
2005 36
2006 50
2007 61
2008 76
2009 59
2010 10
Checked
3 April 2013
Published
18 August 2011
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