| All Patents in class 74/42 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 69,975 | Oct. 22, 1867 | W.J. Demorest | Treadle | human powered apparatus |
| 119,821 | Oct. 10, 1871 | A. Clark | Improvement in mechanical movements | human powered machines |
| 141,928 | Aug. 19, 1873 | H. Harding, E. Harding | Improvement in foot-power apparatus | human powered machines |
| 176,400 | Apr. 18, 1876 | J.C. Butterfield | Improvement in atmospheric hammers | drop hammers |
| 186,564 | Jan. 23, 1877 | C. Hopkins | Treadle | human powered apparatus |
| 210,353 | Nov. 26, 1878 | B.P. Perry | Improvement in valve-gears for engines | steam engine valve gear |
| 255,751 | Mar. 28, 1882 | G.W. Zeigler | Treadle | human powered apparatus |
| 265,596 | Oct. 10, 1882 | A.M. Greenwood | Treadle | human powered apparatus |
| 278,962 | Jun. 05, 1883 | H.H. Holden | Power-motor | human powered machines |
| 310,491 | Jan. 06, 1885 | A. Ball | Scroll-sawing machine | scrollsaws |
| 320,996 | Jun. 30, 1885 | A. Ball | Treadle | human powered machines |
| 507,780 | Oct. 31, 1893 | A.F. Brown | Rotary Engine, Pump & Blower | rotary steam engines |
| 571,545 | Nov. 17, 1896 | J. Steffenson | Treadle for grindstone | grindstone frames |
| 593,218 | Nov. 09, 1897 | C. Holly | Looping Machine | book binder |
| 655,318 | Aug. 07, 1900 | E. Winans | Power Transmitting Mechanism | human powered apparatus |
