| All Patents of Type: sheet metal |
Patents 1 -
15
of 254
      |
| Number | Date | Patentee | Title | Type |
| GB-179,001,757 | Jul. 08, 1790 | M. Boulton | Applying power to fly or stamp presses | stamping presses |
| 6,618X | Jul. 20, 1831 | E.M. Converse | Machinery for Manufacturing Tin Ware | sheet metal |
| 2,325 | Nov. 03, 1841 | O.M. Inman, W. Bulkley | Machine for Cutting Tin and Other Metal | cutting and trimming machines |
| 4,187 | Sep. 11, 1845 | H.A. Roe | Improvement in Machinery for Bending Sheet Metal | sheet metal bending machines |
| 4,924 | Jan. 13, 1847 | A. Heaton | Spinning Sheet Metal | sheet metal |
| 5,389 | Dec. 11, 1847 | A.W. Whitney | Sheet-Metal Roller Tool | sheet metal |
| 5,994 | Jan. 02, 1849 | J.F. Flanders | Combined beading-tool and circular shears | metal shearing machines |
| 7,836 | Dec. 17, 1850 | J.F. Flanders | Machinery for Cutting and Binding Sheet Metal | sheet metal |
| 12,723 | Apr. 17, 1855 | D. Fowler | Machine for Punching Metal | stamping presses |
| 16,337 | Jan. 06, 1857 | J.J. Laubach | Grooving Sheet-Metal | sheet metal |
| 20,942 | Jul. 20, 1858 | E. Field | Watch Case Making | watchmaking machinery |
| 26,860 | Jan. 17, 1860 | S.J. Olmsted | Double seaming machine | roller seaming machines |
| 27,319 | Feb. 28, 1860 | O.W. Stow | Edge-folding machine | sheet metal brakes |
| 31,347 | Feb. 05, 1861 | W.H. Beach | Improved Machine for Swaging Sheet Metal | sheet metal |
| 37,445 | Jan. 20, 1863 | W.C. Hicks | Improvement in drop-presses | stamping presses |
