| All Patents in class 74/25 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 65,981 | Jun. 18, 1867 | A.B. Wood | Mechanical Power | industrial machine speed and direction changing mechanisms |
| 129,226 | Jul. 16, 1872 | J.H. Hincke | Improvement in sawing-machines | reciprocating saws |
| 228,324 | Jun. 01, 1880 | C.G. Cross | Drop-hammer lifter | drop hammers |
| 233,640 | Oct. 26, 1880 | G.W. Pressey | Velocipede | bicycles and tricycles |
| 401,566 | Apr. 16, 1889 | F.M. Leavitt | Drop-hammer | drop hammers |
| 409,836 | Aug. 27, 1889 | E. Hammesfahr | Drop Hammer | drop hammers |
| 477,159 | Jun. 14, 1892 | R.B. Laird, J.B. Sweeney | Power Hammer | forging machines |
| 511,049 | Dec. 19, 1893 | G.S. Junginger, A. Hormel | Electric-arc lamp | electric arc lamps |
| 632,265 | Sep. 05, 1899 | J. Horton | Drop Hammer | drop hammers |
| 734,799 | Jul. 28, 1903 | J.S. Bancroft | Tool Grinding Machine | tool grinders |
| 978,147 | Dec. 13, 1910 | H.I. Finch | Oscillating electric fan | |
| 1,172,901 | Feb. 22, 1916 | C.H. Peck | Fluid-operated drills | pneumatic tools |
| 1,403,151 | Jan. 10, 1922 | F. Diehl | Oscillating fan | |
| 2,532,207 | Nov. 28, 1950 | C.E. Broders, G. Treglown | Automatic feed head | tapping machines |
| 2,646,685 | Jul. 28, 1953 | H.E. Willitts | Shaft vibrator | sanding machines |
