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All Patents in class 74/22R
Patents 1 - 15 of 36
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
4,317Dec. 20, 1845J. EricssonCompound Steam Enginesteam engines
14,416Mar. 11, 1856G.N. StearnsBoring and mortising machinemortising machines
16,777Mar. 03, 1857T.D. KnightMachine for reducing and smoothing boards to uniform thicknessdrum sanders
79,678Jul. 07, 1868H. ObrechtMeat Choppermeat choppers
162,588Apr. 27, 1875S.N. Trump, C.N. TrumpImprovement in scroll-sawing machinesscrollsaws
179,907Jul. 18, 1876P.G. GiroudImprovement in scroll-sawsscrollsaws
207,640Sep. 03, 1878W.F. Barnes, J. BarnesImprovement in scroll-sawing machineshuman powered machines
209,648Nov. 05, 1878A. BridgmanImprovement in sandpapering-machinessanding machines
244,290Jul. 12, 1881J.C. Pennington, E.J. PenningtonReciprocating cylinder-head for planing-machineswood planers
439,418Oct. 28, 1890A.H. MortonGrinding Machinegrinding machines
849,530Apr. 09, 1907H.C. ClayPump piston pumps
872,641Dec. 03, 1907W.F. BouchéShaft-oscillatorelectric motors
901,070Oct. 13, 1908H.C. ClayGearing piston pumps
1,295,359Feb. 25, 1919N.G. OlsonElectrically-operated abrading-machineoscillating spindle sanders
1,762,606Jun. 10, 1930A. BjorklundAbrading machineoscillating spindle sanders
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