| All Patents in class 72/444 |
Patents 16 -
30
of 36
      |
| Number | Date | Patentee | Title | Type |
| 772,135 | Oct. 11, 1904 | J. Dodge | Press for Forging, Shaping or Punching Metals | forging presses |
| 779,721 | Jan. 10, 1905 | A.E. Leech | Reciprocating Hammer | trip and helve hammers |
| 799,352 | Sep. 12, 1905 | M. Merrill | Drop Hammer | drop hammers |
| 809,348 | Jan. 09, 1906 | M.T. Weston | Power Hammer | rotary hammers |
| 821,303 | May 22, 1906 | E.W. Merrill, Jr. | Drop Hammer | drop hammers |
| 862,391 | Aug. 06, 1907 | H.H. Hamlett | Power Press | forging presses |
| 888,391 | May 19, 1908 | G.E. Davis | Power Hammer | power hammers |
| 941,093 | Nov. 23, 1909 | J.L. Painter | Power Hammer | power hammers |
| 973,620 | Oct. 25, 1910 | F.E. Sutherland, J.A. Brown | Power Hammer | power hammers |
| 1,010,938 | Dec. 05, 1911 | F.R. Von Merkl | Riveting Machine | riveting machines |
| 1,054,332 | Feb. 25, 1913 | W. Blacker | Mechanical or Power Actuated Hammer | power hammers |
| 1,342,782 | Jun. 08, 1920 | A. Vincent | Trip Hammer | trip and helve hammers |
| 1,363,465 | Dec. 28, 1920 | A.B. Gardella | Board Drop Hammer | drop hammers |
| 1,531,489 | Mar. 31, 1925 | J.R. Bowie, G.P. Macready | Pneumatic drop hammer | drop hammers |
| 1,707,499 | Apr. 02, 1929 | M.C. Talcott | Drop Hammer | drop hammers |
