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All Patents of Type: metal threading machines
Patents 1 - 15 of 45
First set of recordsNext set of recordsLast set of records
111,248Jan. 24, 1871S.W. Putnam, Jr.Improvement in machines for cutting screw-threads on boltsmetal threading machines
D6,764Jul. 08, 1873S.W. Putnam, Jr.Design for frame of bolt-threading machinesmetal threading machines
141,460Aug. 05, 1873H.O. ReedImprovement in screw-cutting machinesmetal threading machines
162,194Apr. 20, 1875E. SchlenkerImprovement in bolt-threading machinesmetal threading machines
166,490Aug. 10, 1875S.L. WorsleyMachine for Tapping Nutsnut or bolt making machines
RE7,153May 30, 1876S.L. WorsleyMachine for Tapping Screw Nutsnut or bolt making machines
195,321Sep. 18, 1877S.L. WorsleyNut-Tapping Machinenut or bolt making machines
197,070Nov. 13, 1877S.L. WorsleyMetal-Screw Threading Machinemetal threading machines
211,826Jan. 28, 1879S.L. WorsleyMachine for Nutting Boltsnut or bolt making machines
232,869Oct. 05, 1880S.L. WorsleyMachine for Threading Screwsmetal threading machines
246,933Sep. 13, 1881S.L. WorsleyMachine for Feeding Screw Blanksmetal threading machines
267,377Nov. 14, 1882J.H. SteenDevice for cutting, turning, and threading metalmetal threading machines
304,945Sep. 09, 1884E.J. ManvilleScrew Threading Machinemetal threading machines
417,659Dec. 17, 1889J.S. BancroftMeans for Operating the Die Heads of Bolt Threading Machinesmetal threading machines
432,972Jul. 29, 1890L.T. BowmanBolt Threading Machinemetal threading machines
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