| All Patents in class 74/25 |
Patents 1 -
15
of 17
      |
| Number | Title | Classification(s) |
| 65,981 | Mechanical Power | 74/25, 74/29 |
| 129,226 | Improvement in sawing-machines | 74/25, 74/31, 83/785 |
| 228,324 | Drop-hammer lifter | 74/25 |
| 233,640 | Velocipede | 280/251, 74/25 |
| 401,566 | Drop-hammer | 72/439, 74/25 |
| 409,836 | Drop Hammer | 72/438, 72/440, 74/25 |
| 477,159 | Power Hammer | 72/450, 74/25 |
| 511,049 | Electric-arc lamp | 314/110, 314/111, 314/40, 74/25 |
| 632,265 | Drop Hammer | 144/195.2, 72/436, 72/438, 72/440, 74/25 |
| 734,799 | Tool Grinding Machine | 451/213, 451/365, 451/377, 451/406, 74/25, 74/40, 74/99R |
| 978,147 | Oscillating electric fan | 74/25 |
| 1,172,901 | Fluid-operated drills | 408/124, 74/25, 92/68 |
| 1,403,151 | Oscillating fan | 74/25 |
| 2,532,207 | Automatic feed head | 408/129, 470/164, 470/176, 470/181, 74/25 |
| 2,646,685 | Shaft vibrator | 451/155, 74/22R, 74/25 |
