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United States Patent Numbers, By Year

A list of the first patent numbers issued in each calendar year since they begin in 1836. Transcriber's Note: These are Utility Patents only. Design patents, plant patents, defense patents, reissues, and additional improvement numbers are tracked separately by the US Patent and Trademark Service.

Access the US Patent and Trademark Service Website Here: www.uspto.gov

1836....................1
1837................110
1838................546
1839.............1,106

1840.............1,465
1841.............1,923
1842.............2,413
1843.............2,901
1844.............3,395
1845.............3,873
1846.............4,348
1847.............4,914
1848.............5,409
1849.............5,993

1850.............6,981
1851.............7,865
1852.............8,622
1853.............9,512
1854...........10,358
1855...........12,117
1856...........14,009
1857...........16,324
1858...........19,010
1859...........22,477

1860...........26,642
1861...........31,005
1862............34,045
1863............37,266
1864............41,047
1865............45,685
1866............51,784
1867............60,658
1868............72,959
1869............85,503

1870............98,460
1871..........110,617
1872..........122,304
1873..........134,504
1874..........146,120
1875..........158,350
1876..........171,641
1877..........185,813
1878..........198,733
1879..........211,078

1880...........223,210
1881...........236,137
1882...........251,685
1883...........269,820
1884...........291,016
1885...........310,163
1886...........333,494
1887...........355,291
1888...........375,720
1889...........395,305

1890...........418,665
1891...........443,987
1892...........466,315
1893...........488,976
1894...........511,744
1895...........531,619
1896...........552,502
1897...........574,369
1898...........596,467
1899...........616,871

1900...........640,167
1901...........664,827
1902...........690,385
1903...........717,521
1904...........748,567
1905...........778,834
1906...........808,618
1907...........839,799
1908...........875,679
1909...........908,436

1910...........945,010
1911...........980,178
1912.........1,013,095
1913.........1,049,326
1914.........1,083,267
1915.........1,123,212
1916.........1,166,419
1917.........1,210,389
1918.........1,251,458
1919.........1,290,027

1920.........1,326,899
1921.........1,364,063
1922.........1,401,948
1923.........1,440,362
1924.........1,478,996
1925.........1,521,590
1926.........1,568,040
1927.........1,612,700
1928.........1,654,521
1929.........1,696,897

1930.........1,742,181
1931.........1,787,424
1932.........1,839,190
1933.........1,892,663
1934.........1,941,449
1935.........1,985,878
1936.........2,026,516
1937.........2,066,309
1938.........2,104,004
1939.........2,142,080

1940.........2,185,170
1941.........2,227,418
1942.........2,268,540
1943.........2,307,007
1944.........2,338,081
1945.........2,366,154
1946.........2,391,856
1947.........2,413,675
1948.........2,433,824
1949.........2,457,797

1950.........2,492,944
1951.........2,536,016
1952.........2,580,379
1953.........2,624,046
1954.........2,664,562
1955.........2,698,434
1956.........2,728,913
1957.........2,775,762
1958.........2,818,567
1959.........2,866,973

1960.........2,919,443
1961........2,966,681
1962........3,015,103
1963........3,070,801
1964........3,116,487
1965........3,163,865
1966........3,226,729
1967........3,295,143
1968........3,360,800
1969........3,419,907

1970........3,487,470
1971........3,551,909
1972........3,631,539
1973........3,707,729
1974........3,781,914
1975........3,958,241
1976........3,930,271
1977........4,000,520
1978........4,065,812
1979........4,131,952

1980........4,180,867
1981........4,242,757
1982........4,308,622
1983........4,366,579
1984........4,423,523
1985........4,490,855
1986........4,562,596
1987........4,633,526
1988........4,716,594
1989........4,794.652

1990........4,890,335
1991........4,980,927
1992........5,077,836
1993........5,175,886
1994........5,274,846
1995........5,377,359
1996........5,479,658
1997........5,590,420
1998........5,704,062
1999........5,855,021

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