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All Patents of Type: metal threading machines
Patents 1 - 15 of 107
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NumberDatePatenteeTitleType
42,766May 17, 1864H.A. HarveyImprovement in Machines for Threading Wood-Screwsmetal threading machines
81,049Aug. 11, 1868S.L. WiegandScrew Threading Machinescrew machines
88,885Apr. 13, 1869J.L. MasonScrew Forming Machinemetal swaging machines
111,248Jan. 24, 1871S.W. Putnam, Jr.Improvement in machines for cutting screw-threads on boltsmetal threading machines
113,740Apr. 18, 1871J.M. CarpenterImproved Machine for Cutting Screwsmetal threading machines
122,702Jan. 16, 1872O.C. BurtonImprovement in Machines for Cutting Threads on Boltsmetal threading machines
133,527Dec. 03, 1872A.E. Goddard, A. GoddardMachines for Threading Screw Tapsmetal threading machines
133,574Dec. 03, 1872G. EmigMachines for Cutting Screw Threads on Bolts and Nutsmetal 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
141,760Aug. 12, 1873S.W. CardMachines for milling twist-drillsmetal threading machines
144,100Oct. 28, 1873E. HortonScrew Threading Machinesmetal threading machines
147,462Feb. 10, 1874A. WoodBolt Threading Machinesmetal threading machines
153,804Aug. 04, 1874H.E. BoydLathe Attachments for Cutting Screw Tapsmetal lathe accessories and attachments
162,194Apr. 20, 1875E. SchlenkerImprovement in bolt-threading machinesmetal threading machines
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