All Patents in class 72/101 |
Patents 1 -
10
of 10
|
Number | Date | Patentee | Title | Type |
8,627 | Jan. 06, 1852 | J.F. Flanders | Cutting and Bending Sheet Metal | tinsmith |
9,982 | Aug. 30, 1853 | E. Savage | Improvement in machinery for cutting and bending metallic disks | tinsmith |
25,278 | Aug. 30, 1859 | C.H. Raymond | Making Sheet-Metal Vessels | tinsmith |
79,735 | Jul. 07, 1868 | F.S. De Witt | Swaging Machine | metal swaging machines |
244,250 | Jul. 12, 1881 | W.W. Jones | Machine for making rims for metal vessels | sheet metal flanging machines |
434,960 | Aug. 26, 1890 | E.E. Stow | Tinsmith's Machine | sheet metal forming rolls |
554,811 | Feb. 18, 1896 | J. Browning | Knurling Machine | embossing and knurling machines |
784,244 | Mar. 07, 1905 | E. Zeh | Machine for screw-threading sheet-metal pipes | sheet metal |
1,774,155 | Aug. 26, 1930 | L.S. Platou | Sheet Metal Working Machine | sheet metal |
1,812,479 | Jun. 30, 1931 | P.R. Hahnemann | Sheet metal working machine | sheet metal |