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Patents Granted on 1842-__-__
Patents 1 - 15 of 69
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XC-170Jan. 13, 1842C.M. TateAn improved method of giving motion and efficacy to the propellor in steam boats and other vesselssteamboats
2,425Jan. 17, 1842J.A. FayMachine for mortising timbermortising machines
XC-171Jan. 21, 1842C.M. TateAn improved method of constructing cambs for the purpose of opening the cut-off, or other valves of steam enginessteam engine valve gear
XC-172Jan. 27, 1842C.M. TateA new method of tanning hides or skinstanner
XC-173Jan. 27, 1842C.M. TateA new and improved method of extracting the tannin from barkbark processing machines
2,440Feb. 01, 1842H. AikenImprovement in machines for excavating ditches
2,443Feb. 01, 1842R. CookManufacture of Wrought-Iron and Steel Cannons
2,444Feb. 01, 1842S.E. Burnham, R. CookMode of straining saws for sawmillsreciprocating sawmills
2,453Feb. 07, 1842J. Walter, L.D. WalterMachine for Making Screwsscrew machines
2,457Feb. 12, 1842A. KinneyMachine for cutting shinglesshingle machines
2,459Feb. 12, 1842W. Murray, J. MurrayMachine for breaking and grinding corn and corncobscorn grinders
GB-184,209,078Mar. 08, 1842J. Garnett, J. MasonImprovements in machinery employed in the manufacture of yarns and cloth
2,481Mar. 09, 1842H.H. HerrickMachine for cutting shinglesshingle machines
2,485Mar. 09, 1842P.H. Green, H.H. EvartsConstruction of rotary engines to be propelled by either water or steamsteam engines
2,531Apr. 01, 1842G. HenningSelf-setting cog for sawmillssawmill dogs
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