| All Patents in class 72/433 |
Patents 31 -
45
of 52
      |
| Number | Date | Patentee | Title | Type |
| 716,019 | Dec. 16, 1902 | H. Feldhus | Power Hammer | trip and helve hammers |
| 726,879 | May 05, 1903 | G.E. Davis | Power Hammer | drop hammers |
| 750,359 | Jan. 26, 1904 | A. Groenig | Power Hammer | power hammers |
| 758,361 | Apr. 26, 1904 | H.W. Hathorn | Power Hammer | trip and helve hammers |
| 770,044 | Sep. 13, 1904 | E.H. Carroll | Machine for Drawing Wire | wire drawing machines |
| 777,626 | Dec. 13, 1904 | H.E. Grabau | Machine for Beating Leaf Metal | power hammers |
| 779,721 | Jan. 10, 1905 | A.E. Leech | Reciprocating Hammer | trip and helve hammers |
| 790,236 | May 16, 1905 | C.T. Whitesel | Power Hammer | power hammers |
| 790,553 | May 23, 1905 | G. Bignell | Power Hammer | power hammers |
| 799,282 | Sep. 12, 1905 | H. Vigneault | Power Hammer | power hammers |
| 810,905 | Jan. 30, 1906 | A. Bragg | Power Hammer | power hammers |
| 855,151 | May 28, 1907 | F.I. Matthews, L. Wilson | Power Hammer | power hammers |
| 888,391 | May 19, 1908 | G.E. Davis | Power Hammer | power hammers |
| 941,093 | Nov. 23, 1909 | J.L. Painter | Power Hammer | power hammers |
| 977,082 | Nov. 29, 1910 | C.R. Embry | Power Hammer | power hammers |
