All Patents in class 266 |
Patents 1 -
15
of 72
|
Number | Date | Patentee | Title | Type |
7,078X | May 22, 1832 | T. Gregg | Blast furnace for smelting iron ore | steel making furnaces |
7,642X | Jun. 29, 1833 | E. Nott | Anthracite coal stove, construction and adjustment of brick forming the flue for confining combustion to the base of fuel | stoves |
8,154X | Apr. 18, 1834 | I. Tyson, Jr. | Blast furnace, heating and applying air | |
9,275X | Dec. 02, 1835 | L.V. Badger | Hot air furnace and cupola | industrial furnaces |
9,698X | Jun. 02, 1836 | B. Kugler | Blast furnace | steel making furnaces |
170 | Apr. 20, 1837 | G.E. Sellers | Improvement in concentrating-furnaces for smelting iron ores by the use of anthracite coal in which other kinds of fuel can be used | foundryman |
7,448 | Jun. 18, 1850 | J.F. Wood | Combination of a Guide-Tooth with an Inclined Scraper | road scrapers |
7,862 | Dec. 24, 1850 | J.N. Walker | Mill for grinding | grist mills |
7,949 | Feb. 25, 1851 | J.D. Beers, I. Winslow | Planing-machine | wood planers |
10,404 | Jan. 10, 1854 | C.W. Fillmore | Clamp for Holding Steel Plates | |
12,424 | Feb. 20, 1855 | S.R. Smith, E. Cowles | Excelsior machine | excelsior machines |
16,082 | Nov. 11, 1856 | H. Bessemer | Improvement in the manufacture of iron and steel | foundryman |
49,451 | Aug. 15, 1865 | J. Small | Machine for Tempering Saws, Files, etc. | files |
65,598 | Jun. 11, 1867 | E.S. Piper | Improvement in hardening saws | tool making machines |
65,946 | Jun. 18, 1867 | C. Richardson | Improved Apparatus for Tempering Steel Plates | tool making machines |