| All Patents in class 72/436 |
Patents 31 -
45
of 55
      |
| Number | Date | Patentee | Title | Type |
| 632,265 | Sep. 05, 1899 | J. Horton | Drop Hammer | drop hammers |
| 642,289 | Jan. 30, 1900 | F.C. Billings | Metal Working Machine | drop hammers |
| 680,525 | Aug. 13, 1901 | J. Chevalier, P. Hanzer | Drop Hammer | drop hammers |
| 697,559 | Apr. 15, 1902 | A.J. Spencer | Stock Ringer | nose ring tools |
| 717,289 | Dec. 30, 1902 | J.M. Schroder, A.M. Schroder, B.C. Schroder | Tilt Hammer | power hammers |
| 749,912 | Jan. 19, 1904 | W.N. Appleton | Chain Maker's Power Hammer | chain making machines |
| 766,950 | Aug. 09, 1904 | H.J. Hinde | Controlling Mechanism for Drop Hammers | drop hammers |
| 821,303 | May 22, 1906 | E.W. Merrill, Jr. | Drop Hammer | drop hammers |
| 882,588 | Mar. 24, 1908 | W.T. Sears | Drop Hammer | drop hammers |
| 947,657 | Jan. 25, 1910 | O. Werner | Drop Hammer | drop hammers |
| 1,023,112 | Apr. 09, 1912 | C.H. Smith, W.H. Leaver | Stock Ringer | nose ring tools |
| 1,052,823 | Feb. 11, 1913 | A.M. Irvine | Power Actuated Hand Tool | riveting tools |
| 1,082,685 | Dec. 30, 1913 | S.H. Dyer | Drop Press | drop hammers |
| 1,225,695 | May 08, 1917 | L.G. Bayrer | Drop Hammer | drop hammers |
| 1,275,688 | Aug. 13, 1918 | T.E. Holmes | Combined Steam Hammer and Forging Press | steam hammers |
