Portal:Patents

Canadian patents

 * Canadian patent 24033, April 27 1886, Nikola Tesla, Dynamo Electric Machine
 * Canadian patent 29537, May 1 1888, Nikola Tesla, Method & App. for the Electrical Transmission of Power
 * Canadian patent 30172, May 1 1888, Nikola Tesla, Method & App. for Converting & Distributing Electric Currents
 * Canadian patent 33317, December 19, 1889, Nikola Tesla, Method & App. for Converting Alternating into Direct Currents
 * Canadian patent 135174, August 22, 1911, Nikola Tesla, Fluid Propulsion
 * Canadian patent 142352, August 13, 1912, Nikola Tesla, Electrical Energy Transmission

Great Britain patents

 * Great Britain patent 15805, August 21, 1893, W. Greenshields, Chest expander
 * Great Britain patent 17256, September 17, 1893, C. P. Mitchell, Belt.; chest expanders
 * Great Britain patent 9885, May 21, 1894, S. Beckett, Corsets, chest expanders, dresses, suspender, &c.
 * Great Britain patent 27197, November 30, 1896, Alfred Nobel, An improved manufacture of explosive compounds
 * Great Britain patent 13891, July 5, 1899, L. P. C. Packwood, Corsets; chest expanders

Letters

 * Letter to Isaac McPherson - August 13, 1813

Case law

 * Graham v. John Deere Co.

Issued before 1836
9,957 patents were issued between the Patent Act of 1790 and the Patent Act of 1836. See X-Patents and Patent Office 1836 fire
 * X1, July 31 1790, Samuel Hopkins, pot ash
 * X4, January 31, 1791, Francis Bailey, Type
 * X51, 01/29/1793, Samuel Morey, Turning a spit
 * X72, March 14 1794 (not validated until 1807), Eli Whitney, Cotton Gin
 * X246, 04/24/1799, Morey, Samuel, NEW AND INVENTED WATER ENGINE
 * X306, 11/17/1800, Morey, Samuel, FORCE FROM WATER WITH ASSIST OF STEAM
 * X1820, 10/20/1812, Fessenden, William Greene, OBTAINING EXTRACTS FROM BARKS
 * X2339A, 07/14/1815, Morey, Samuel, STEAM ENGINE
 * X2339B, 07/14/1815, Morey, Samuel, APPLY THE POWER OF WATER TO WATER WHEELS
 * 2752X, 03/13/1817, Morey, Samuel, TIDE AND CURRENT WATER WHEEL FOR DRIVING MILLS OR MACHINERY WITH OR WITHOUT A DAM
 * 2880X, 12/11/1817, Morey, Samuel, METHOD OF BURNING WATER CALLED THE AMERICAN WATER BURNER
 * 3060X, 01/19/1819, Morey, Samuel, SHOOTING WITH STEAM ANAD GAS
 * 3306X, 3/3/1821, Thomas L. Jennings (The First African American Patent Holder), Dry scouring
 * 4378X, April 1 1826, Morey, Samuel, GAS OR VAPOR ENGINE
 * 4648X, 01/31/1827, Fessenden, Thomas G., HEATING AND BOILING WATER AND OTHER ECONOMICAL PURPOSES
 * 6274X, 11/19/1833, Fessenden, William Greene, PORTABLE STEAM AND HOT WATE STOVE
 * 7301X, 24 November 1832, Walter C. Palmer, M.D., Gum Elastic Bathing Cot
 * 7826X, 11/19/1833, Morey, Samuel, DECOMPISING AND RECOMPOSING WATER IN COMBO WITH SPIRITS OF TURPENTINE
 * 7913X, 12/30/1833, Rundlet, Thomas, PREPARING EXTACTS FROM HEMLOCK OR OTHER BARK FOR TANNING
 * 8447X, October 14, 1834, Henry Blair, Seed planter
 * 9000X, July 2 1836, N. Winslow, Grate
 * 9875X, July 2 1836, C. Granger, Cook Stove
 * 9876X, July 2 1836, H.G. Guyon, Cotton Press
 * 9877X, July 2 1836, R. Haynes, Nail Extractor
 * 9878X, July 2 1836, J. Horton, Platform Balance
 * 9879X, July 2 1836, F.P.Knowlton, Feather Dresser
 * 9882X, July 2 1836, W. Loomis, Clover Huller
 * 9884X, July 2 1836, J. Mo Clory, Door Lock
 * 9885X, July 2 1836, J. McCreight, Cotton Gin
 * 9886X, July 2 1836, C. McGregory, Dressing Stares
 * 9887X, July 2 1836, T. Miller, Plow
 * 9889X, July 2 1836, W. Parmalee, Cook Stove
 * 9890X, July 2 1836, A. Parson, Thrashing Mach.
 * 9893X, July 2 1836, A. Roff, Lock
 * 9894X, July 2 1836, I. Snider, Plow Moldboard
 * 9899X, July 2 1836, C. Waterman, Brick Machine
 * 9889X, July 2 1836, W. Parmalee, Cook Stove
 * 9890X, July 2 1836, A. Parson, Thrashing Mach.
 * 9893X, July 2 1836, A. Roff, Lock
 * 9894X, July 2 1836, I. Snider, Plow Moldboard
 * 9899X, July 2 1836, C. Waterman, Brick Machine
 * 9899X, July 2 1836, C. Waterman, Brick Machine
 * 9899X, July 2 1836, C. Waterman, Brick Machine

Issued after the 1836 Patent Act

 * 2 - Mode of manufacturing wool or other fibrous materials, J Goulding. December 15, 1826. Reissued July 29, 1836
 * 3 - Machine for turning, &c., wooden sheaves and pins for ships' tackle blocks and pulleys (Making wooden pins) T. Blanchard. August 11, 1836
 * 4 - Stock shaving or rounding machine for edges, ends, &c., of ships' tackle-blocks. T. Blanchard. August 10, 1836
 * 5 - Machine for mortising solid wooden shells of ships' tackle-blocks. T. Blanchard. August 10, 1836
 * 6 - Machine for forming end pieces of plank blocks for ships. August 10, 1836
 * 6 - Machine for forming end pieces of plank blocks for ships. August 10, 1836


 * 72 - Scythe. Silas Lamson. October 29, 1836
 * 3633 - Rubber vulcanisation, Charles Goodyear. June 15, 1844.
 * 78317, 1868, dynamite
 * 127568, 1872, Vaseline. Robert Chesebrough, June 4, 1872
 * 268503, 1882, elephant-shaped building
 * 425520, 1890, corset
 * 481294, 1892, corset model
 * 708773, 1902, corset model
 * 766474, 1904, receiving telegraph instrument
 * 780831, 1905, corset model
 * 803685, 1905, corset model
 * 849136, 1907, corset model
 * 866869, 1907, corset model
 * 880532, 1908, corset model
 * 903073, 1908, shoulder brace
 * 996343, 1908, shoulder brace
 * 956957, 1910, corset model
 * 991315, 1910, corset model
 * 999388, 1911, bathing corset
 * 1395066, 1921, controlling mechanism
 * 1108529, 1924, telegraph system
 * 1549622, 1925, Japanese keyboard
 * 1682572, 1928, direct-reading spectrophotometer
 * 2230654, 1941, tetrafluoroethylene polymers (=Teflon). Roy Plunkett, Feb. 4, 1941
 * 999388, 1911, bathing corset
 * 1395066, 1921, controlling mechanism
 * 1108529, 1924, telegraph system
 * 1549622, 1925, Japanese keyboard
 * 1682572, 1928, direct-reading spectrophotometer
 * 2230654, 1941, tetrafluoroethylene polymers (=Teflon). Roy Plunkett, Feb. 4, 1941

Issued after the 1952 Patent Act

 * 5819292, 1998, file system technique
 * 5830035, 1998, toe puppet

U.S. Design patents

 * 98,617, Feb. 18, 1936, Design for a Building