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Patents Granted on 1872-__-__
Patents 1 - 15 of 834
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NumberDatePatenteeTitleType
CA-1,277Jan. 01, 1872A. KayImprovement in steam engines
CA-1,281Jan. 01, 1872J.W. MurrayImprovement in the governor valve of steam engines
122,308Jan. 02, 1872W.H. DowningImprovement in Pipe Tongspipe tongs
122,313Jan. 02, 1872P. Etches, J.D. WilsonImprovement in circular-saw millscircular sawmills
122,320Jan. 02, 1872J. HutherImprovement in sawssaw teeth
122,321Jan. 02, 1872N. JenkinsImprovement in wood-molding machinesmolders
122,323Jan. 02, 1872J. KritchImprovement in Hubs for Carriage Wheelswheelwright
122,339Jan. 02, 1872C.E. TorrenceImprovements in Bench-Planesbench planes
122,344Jan. 02, 1872G.W. WilliamsExcavatorexcavators
122,349Jan. 02, 1872E.A. ArchibaldImprovement in machines for making wheelswheelwright
122,357Jan. 02, 1872C.C. ButtCoffee Roastercoffee roasters
122,390Jan. 02, 1872N.S. Clement, C.B. KnappImprovement in machines for dovetailingdovetailing machines
122,402Jan. 02, 1872Z.C. PhillipsImprovement in boring-machinesdrilling and boring
122,420Jan. 02, 1872G. Westinghouse, Sr.Improvement in thrashing-machinesthreshers and thrashers
122,426Jan. 02, 1872M.L. AndrewImprovement in shaft-couplingsindustrial machine shaft couplings
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