All Patents of Type: sheet metal forming rolls |
Patents 1 -
15
of 17
|
Number | Date | Patentee | Title | Type |
20,942 | Jul. 20, 1858 | E. Field | Watch Case Making | watchmaking machinery |
357,228 | Feb. 08, 1887 | O. Pocock | Machine for Bending Sheet Metal | sheet metal forming rolls |
396,361 | Jan. 15, 1889 | W.H. Johnson | Rolling Die Machine | sheet metal forming rolls |
434,960 | Aug. 26, 1890 | E.E. Stow | Tinsmith's Machine | sheet metal forming rolls |
471,298 | Mar. 22, 1892 | A.L. Larson, O.J. Winlund | Method of Making Sheet or Band Metal | sheet metal forming rolls |
CA-41,050 | Nov. 26, 1892 | E.E. Stow | Tinsmith's Machine | sheet metal forming rolls |
GB-189,725,999 | Oct. 15, 1898 | C.W. James | Improvements in Machine for Manufacturing Open or Reticulated Metal Work | sheet metal forming rolls |
618,408 | Jan. 31, 1899 | E.A. Franklin | Machine for Forming Sheet Metal | sheet metal forming rolls |
627,546 | Jun. 27, 1899 | J. Tedell | Machine for Shaping Metal by Rolls | sheet metal forming rolls |
909,644 | Jan. 12, 1909 | S. McCloud | Machine for Forming Bars or Rounds from Metal Plates | sheet metal forming rolls |
1,735,243 | Nov. 12, 1929 | P.R. Hahnemann | Slip Roll Forming Machine | sheet metal forming rolls |
1,742,654 | Jan. 07, 1930 | P.R. Hahnemann | Slip Rol Forming Machine | sheet metal forming rolls |
2,344,743 | Mar. 21, 1944 | H.C. Smith, Jr. | Forming Method and Apparatus | sheet metal forming rolls |
2,410,603 | Nov. 05, 1946 | P.P. Dubosclard | Forming roll | sheet metal forming rolls |
2,495,068 | Jan. 17, 1950 | W.E. Lundgren | Conterbalance for Slip Roll Formers | sheet metal forming rolls |