| All Patents in class 72/404 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 7,756X | Sep. 14, 1833 | W. Field | Upright-spring sledge hammer | hammers |
| 9,266 | Sep. 14, 1852 | G.H. Richards | Forging Machine | forging presses |
| 56,602 | Jul. 24, 1866 | H.W. Pell | Improved Dies for Forming the Heads of Wrenches | wrench jaw components |
| 68,295 | Aug. 27, 1867 | J. Tandler | Trip Hammer | trip and helve hammers |
| 144,969 | Nov. 25, 1873 | W. Evans | Machines for Forging Hammers | tool making machines |
| 156,669 | Nov. 10, 1874 | C.P. Housum | Instruments For Ringing Hogs | hog ring |
| 322,930 | Jul. 28, 1885 | H. Hammond | Forging Hammer | power hammers |
| 364,259 | Jun. 07, 1887 | G.C. Keene | Machine for Crimping Sheet Metal | crimping machines |
| 437,029 | Sep. 23, 1890 | S. Harris | Axle Machine | forging presses |
| 586,697 | Jul. 20, 1897 | G.B. Sechrist | Fence Stay Fastening Tongs | pliers |
| 600,201 | Mar. 08, 1898 | J. Jacks | Oliver | power hammers |
| 651,754 | Jun. 12, 1900 | H. Guyot | Double Stamp Hammer | drop hammers |
| 1,121,675 | Dec. 22, 1914 | A.O. Slentz | Power slip-joint-forming machine | sheet metal flanging machines |
| 2,389,139 | Nov. 20, 1945 | E.V. Crane, F.G. Auer | Making non-cylindrical cans | can making machines |
| 2,515,326 | Jul. 18, 1950 | C.J. Bath | Tangent Bender and Expansible Die Combination | metal bending machines |
