Patent counts by year

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Report 1 based on year filed
Factoid
We have about 2000 ballooning and aero patents before the Wrights' flight at the end of 1903

Use this to sort by the number within the year instead of year order:

|order by=count(*) DESC
Report 2 based on year granted
Report 3 based on year filed
Report 4 based on year filed
Year filed COUNT(*)
1930 2
1928 2
1927 4
1926 2
1924 2
1923 3
1922 16
1921 13
1920 41
1919 50
1918 673
1917 700
1916 512
1915 525
1914 687
1913 1,041
1912 1,197
1911 1,348
1910 1,697
1909 1,531
1908 789
1907 416
1906 265
1905 142
1904 166
1903 145
1902 187
1901 148
1900 137
1899 107
1898 93
1897 82
1896 62
1895 37
1894 67
1893 80
1892 73
1891 62
1890 43
1889 46
1888 27
1887 28
1886 23
1885 27
1884 28
1883 36
1882 35
1881 38
1880 37
1879 22
1878 28
1877 22
1876 16
1875 15
1874 15
1873 18
1872 17
1871 21
1870 45
1869 14
1868 19
1867 29
1866 14
1865 8
1864 17
1863 25
1862 6
1861 11
1860 16
1859 18
1858 15
1857 22
1856 16
1855 27
1854 20
1853 35
1852 19
1851 21
1850 16
1849 3
1848 4
1847 5
1846 6
1845 10
1844 4
1843 11
1842 3
1841 5
1840 4
1839 4
1838 4
1837 5
1836 3
1826 2
3,259
Report 5 based on year filed

Count of database entries for different technology types

Report 6 based on year filed
Year filed Number of entries
0
1802 1
1815 1
1817 1
1818 1
1820 1
1823 1
1826 2
1827 1
1831 1
1832 1
1833 1
1834 1
1835 1
1836 3
1837 5
1838 4
1839 4
1840 4
1841 5
1842 3
1843 11
1844 4
1845 10
1846 6
1847 5
1848 4
1849 3
1850 16
1851 21
1852 19
1853 35
1854 20
1855 27
1856 16
1857 22
1858 15
1859 18
1860 16
1861 11
1862 6
1863 25
1864 17
1865 8
1866 14
1867 29
1868 19
1869 14
1870 45
1871 21
1872 17
1873 18
1874 15
1875 15
1876 16
1877 22
1878 28
1879 22
1880 37
1881 38
1882 35
1883 36
1884 28
1885 27
1886 23
1887 28
1888 27
1889 46
1890 43
1891 62
1892 73
1893 80
1894 67
1895 37
1896 62
1897 82
1898 93
1899 107
1900 137
1901 148
1902 187
1903 145
1904 166
1905 142
1906 265
1907 416
1908 789
1909 1,531
1910 1,697
1911 1,348
1912 1,197
1913 1,041
1914 687
1915 525
1916 512
1917 700
1918 673
1919 50
1920 41
1921 13
1922 16
1923 3
1924 2
1926 2
1927 4
1928 2
1929 1
1930 2
2019 1

Mean, min and max generation capacities of technologies in the database

Report 7 based on year filed

Publications experiment

Report 1 based on year