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Engineering Library

U.S. Patent Numbers by Year


Year Starting Utility Patent
Number
Starting Design Patent
Number
Starting Plant Patent
Number
1836 1
1837 110
1838 546
1839 1,061
1840 1,465
1841 1,923
1842 2,413
1843 2,911 D1
1844 3,395 D15
1845 3,873 D27
1846 4,348 D44
1847 4,914 D103
1848 5,409 D163
1849 5,981 D209
1850 6,980 D258
1851 7,865 D341
1852 8,622 D431
1853 9,512 D540
1854 10,358 D626
1855 12,117 D683
1856 14,009 D753
1857 16,324 D860
1858 19,010 D973
1859 22,477 D1,075
1860 26,642 D1,183
1861 31,005 D1,366
1862 34,045 D1,508
1863 37,266 D1,703
1864 41,047 D1,879
1865 45,685 D2,018
1866 51,784 D2,239
1867 60,658 D2,553
1868 72,959 D2,858
1869 85,503 D3,304
1870 98,460 D3,810
1871 110,617 D4,547
1872 122,304 D5,452
1873 134,504 D6,336
1874 146,120 D7,083
1875 158,350 D7,969
1876 171,641 D8,884
1877 185,813 D9,686
1878 198,733 D10,385
1879 211,078 D10,975
1880 223,211 D11,567
1881 236,137 D12,082
1882 251,685 D12,647
1883 269,820 D13,508
1884 291,016 D14,528
1885 310,163 D15,678
1886 333,494 D16,541
1887 335,291 D17,046
1888 375,720 D17,995
1889 395,305 D18,830
1890 418,665 D19,553
1891 443,987 D20,439
1892 466,315 D21,275
1893 488,976 D22,092
1894 511,744 D22,994
1895 522,502 D23,922
1896 531,619 D25,037
1897 569,467 D26,482
1898 574,369 D28,113
1899 616,871 D29,916
1900 640,167 D32,055
1901 644,827 D33,813
1902 690,385 D35,547
1903 717,521 D36,198
1904 748,567 D36,723
1905 778,834 D37,280
1906 808,618 D37,766
1907 839,799 D38,391
1908 875,679 D38,980
1909 908,436 D39,737
1910 945,010 D40,424
1911 980,178 D41,063
1912 1,013,095 D43,073
1913 1,049,326 D43,415
1914 1,083,267 D45,098
1915 1,123,212 D46,813
1916 1,166,419 D48,358
1917 1,210,389 D50,117
1918 1,251,458 D51,629
1919 1,290,027 D52,836
1920 1,326,899 D54,359
1921 1,364,063 D56,844
1922 1,401,948 D60,121
1923 1,440,362 D61,748
1924 1,478,996 D63,675
1925 1,521,590 D66,346
1926 1,568,040 D69,170
1927 1,612,700 D71,772
1928 1,654,521 D74,159
1929 1,696,897 D7,347
1930 1,742,181 D80,254
1931 1,787,424 D82,966 1
1932 1,839,190 D85,903 6
1933 1,892,663 D88,847 52
1934 1,941,449 D91,258 85
1935 1,985,878 D94,179 117
1936 2,026,516 D98,045 162
1937 2,066,309 D102,601 211
1938 2,104,004 D107,738 266
1939 2,142,080 D112,765 307
1940 2,185,170 D118,358 352
1941 2,227,418 D124,503 437
1942 2,268,540 D130,989 499
1943 2,307,007 D134,717 564
1944 2,338,081 D136,946 611
1945 2,366,154 D139,862 649
1946 2,391,856 D143,386 666
1947 2,413,675 D146,165 722
1948 2,433,824 D148,267 774
1949 2,457,797 D152,235 818
1950 2,492,944 D156,686 911
1951 2,536,016 D161,404 1,001
1952 2,580,379 D165,568 1,059
1953 2,624,046 D168,527 1,160
1954 2,664,562 D171,241 1,238
1955 2,698,434 D173,777 1,339
1956 2,728,913 D176,490 1,442
1957 2,775,762 D179,467 1,543
1958 2,818,567 D181,829 1,672
1959 2,866,973 D184,204 1,792
1960 2,919,443 D186,973 1,893
1961 2,966,681 D189,516 2,009
1962 3,015,103 D192,004 2,117
1963 3,070,801 D194,304 2,208
1964 3,116,487 D197,269 2,337
1965 3,163,865 D199,955 2,465
1966 3,226,729 D203,379 2,585
1967 3,295,143 D206,567 2,699
1968 3,360,800 D209,732 2,784
1969 3,419,907 D213,084 2,856
1970 3,487,470 D216,469 2,959
1971 3,551,909 D219,637 3,011
1972 3,631,539 D222,793 3,063
1973 3,707,729 D225,695 3,281
1974 3,781,914 D229,729 3,413
1975 3,858,241 D234,033 3,674
1976 3,930,271 D238,315 3,824
1977 4,000,520 D242,881 4,001
1978 4,065,812 D246,811 4,174
1979 4,131,952 D250,676 4,360
1980 4,180,867 D253,796 4,491
1981 4,242,757 D257,746 4,612
1982 4,308,622 D262,495 4,796
1983 4,366,579 D268,440 4,970
1984 4,423,523 D272,009 5,168
1985 4,490,885 D276,949 5,380
1986 4,562,596 D282,020 5,622
1987 4,633,526 D287,540 5,846
1988 4,716,594 D293,500 6,075
1989 4,794,652 D299,180 6,501
1990 4,890,335 D305,275 6,501
1991 4,980,927 D313,301 7,408
1992 5,077,836 D322,878 7,761
1993 5,177,810 D332,170 8,082
1994 5,274,846 D342,818 8,526
1995 5,377,359 D353,932 9,026
1996 5,479,658 D365,671 9,413
1997 5,590,420 D377,107 9,776
1998 5,704,062 388,585 10,172
1999 5,855,021 403,485 10,743
2000 6,009,555 418,273 11,169

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Last modified: Thursday September 23, 2004