| All Patents in class 72/448 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 144,059 | Oct. 28, 1873 | J.C. Butterfield | Improvement in power-hammers | drop hammers |
| 206,665 | Aug. 06, 1878 | C.W. Corr | Power Hammer | drop hammers |
| 316,539 | Apr. 28, 1885 | R. Gracey | Apparatus fr Swaging Tuyeres | metal swaging machines |
| 429,334 | Jun. 03, 1890 | W.C. Bray, G. Van Horne | Rivet Setting Machine | riveting machines |
| 430,029 | Jun. 10, 1890 | W.H. Johnson | Forging Machine | forging machines |
| 464,410 | Dec. 01, 1891 | J.W. Yates | Machine for molding and embossing sheet metal | metal bending machines |
| 472,893 | Apr. 12, 1892 | J.R. Little | Manufacture of Metal Wheels | power hammers |
| 509,683 | Nov. 28, 1893 | D.M. Redmond | Machine for Securing Heads to Rods | stamping presses |
| 509,897 | Dec. 05, 1893 | T. Murphy, W.P. Hatch | Drop Hammer | drop hammers |
| 530,162 | Dec. 04, 1894 | P.A. Cuenot | Riveting Machine | riveting machines |
| 558,673 | Apr. 21, 1896 | C.J. Colling | Machine for Making Curved Molding and Embossing | |
| 784,725 | Mar. 14, 1905 | J.W. Yates | Cornice Making Machine | |
| 1,046,809 | Dec. 10, 1912 | J. Kunz | Mechanical Hammer | power hammers |
| 1,236,632 | Aug. 14, 1917 | J. Vincent | Oliver or Tilt Hammer | trip and helve hammers |
| 1,938,768 | Dec. 12, 1933 | C.L. Schulte | Machine Tool | metal straightening machines |
