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All Patents in class 266
Patents 1 - 15 of 42
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NumberDatePatenteeTitleType
7,078XMay 22, 1832T. GreggBlast furnace for smelting iron oreindustrial furnaces
7,642XJun. 29, 1833E. NottAnthracite coal stove, construction and adjustment of brick forming the flue for confining combustion to the base of fuel
8,154XApr. 18, 1834I. Tyson, Jr.Blast furnace, heating and applying air
9,275XDec. 02, 1835L.V. BadgerHot air furnace and cupolaindustrial furnaces
9,698XJun. 02, 1836B. KuglerBlast furnaceindustrial furnaces
7,448Jun. 18, 1850J.F. WoodCombination of a Guide-Tooth with an Inclined Scraper
7,949Feb. 25, 1851I. Winslow, J.D. BeersPlaning-machinewood planers
10,404Jan. 10, 1854C.W. FillmoreClamp for Holding Steel Plates
12,424Feb. 20, 1855S.R. Smith, E. CowlesExcelsior machineexcelsior machines
16,082Nov. 11, 1856H. BessemerImprovement in the manufacture of iron and steelfoundryman
49,451Aug. 15, 1865J. SmallMachine for Tempering Saws, Files, etc.files
65,598Jun. 11, 1867E.S. PiperImprovement in hardening sawstool making machines
65,946Jun. 18, 1867C. RichardsonImproved Apparatus for Tempering Steel Platestool making machines
70,755Nov. 12, 1867J. SmallMachine for Tempering Saws, Files, etc.files
125,650Apr. 09, 1872J.A. WoodburyImprovement in Tempering Steel Railrod Railstrack and switches
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