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All Patents of Type: sheet metal forming rolls
Patents 1 - 15 of 17
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
20,942Jul. 20, 1858E. FieldWatch Case Makingwatchmaking machinery
357,228Feb. 08, 1887O. PocockMachine for Bending Sheet Metalsheet metal forming rolls
396,361Jan. 15, 1889W.H. JohnsonRolling Die Machinesheet metal forming rolls
434,960Aug. 26, 1890E.E. StowTinsmith's Machinesheet metal forming rolls
471,298Mar. 22, 1892A.L. Larson, O.J. WinlundMethod of Making Sheet or Band Metalsheet metal forming rolls
CA-41,050Nov. 26, 1892E.E. StowTinsmith's Machinesheet metal forming rolls
GB-189,725,999Oct. 15, 1898C.W. JamesImprovements in Machine for Manufacturing Open or Reticulated Metal Worksheet metal forming rolls
618,408Jan. 31, 1899E.A. FranklinMachine for Forming Sheet Metalsheet metal forming rolls
627,546Jun. 27, 1899J. TedellMachine for Shaping Metal by Rollssheet metal forming rolls
909,644Jan. 12, 1909S. McCloudMachine for Forming Bars or Rounds from Metal Platessheet metal forming rolls
1,735,243Nov. 12, 1929P.R. HahnemannSlip Roll Forming Machinesheet metal forming rolls
1,742,654Jan. 07, 1930P.R. HahnemannSlip Rol Forming Machinesheet metal forming rolls
2,344,743Mar. 21, 1944H.C. Smith, Jr.Forming Method and Apparatussheet metal forming rolls
2,410,603Nov. 05, 1946P.P. DubosclardForming rollsheet metal forming rolls
2,495,068Jan. 17, 1950W.E. LundgrenConterbalance for Slip Roll Formerssheet metal forming rolls
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