| All Patents in class 74/40 |
Patents 16 -
30
of 32
      |
| Number | Date | Patentee | Title | Type |
| 241,960 | May 24, 1881 | L.H. Gibbs, I.E. Gibbs | Drag-sawing machine | drag saws |
| 242,401 | May 31, 1881 | G. Wacker | Gas Engine | gas and gasoline engines |
| 264,816 | Sep. 19, 1882 | A. Beaudry | Power-hammer | drop hammers |
| 278,084 | May 22, 1883 | J.L. Bogert | Device for reciprocating the cutter-heads of planing and slotting machines | metal planers |
| 289,019 | Nov. 27, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 358,672 | Mar. 01, 1887 | W.R. Jenkins, Jr. | Power Hammer | power hammers |
| 370,260 | Sep. 20, 1887 | W.R. Jenkins, Jr. | Power Hammer | power hammers |
| 387,441 | Aug. 07, 1888 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 480,737 | Aug. 16, 1892 | A. Niemczÿk | Gas or Petroleum Motor | |
| 483,881 | Oct. 04, 1892 | C.B. Van Coughnet | Mechanical Moving Power | human powered apparatus |
| 495,689 | Apr. 18, 1893 | J. Barrett | Oil-well-drilling apparatus | oil well pumps |
| 498,641 | May 30, 1893 | A.J. Saunders | Bed for mortising-machines | mortising machines |
| 511,924 | Jan. 02, 1894 | J. Barrett | Artesian-well apparatus | oil well pumps |
| 734,799 | Jul. 28, 1903 | J.S. Bancroft | Tool Grinding Machine | tool grinders |
| 1,813,415 | Jul. 07, 1931 | J.G. McClean | Riveting machine | riveting machines |
