| All Patents in class 474/171 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 172,910 | Feb. 01, 1876 | E. Brown | Improvement in wheels or pulleys | woodworking machine mechanisms |
| 174,203 | Feb. 29, 1876 | F.H. Crafts | Pulley | industrial machine pulleys and belt drive mechanisms |
| 202,667 | Apr. 23, 1878 | J. Saltar, Jr. | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms |
| 204,929 | Jun. 18, 1878 | J.J. White | Belt Shifting Pulley | industrial machine pulleys and belt drive mechanisms |
| 299,915 | Jun. 03, 1884 | D.C. Cumings | Counter-shaft | industrial machine pulleys and belt drive mechanisms |
| 307,771 | Nov. 11, 1884 | E. Johnson, J.J. Johnson, N. Johnson | Traction Engine | traction engine propulsion components |
| 341,376 | May 04, 1886 | C. Esplin | Band-saw mill | band sawmills |
| 355,146 | Dec. 28, 1886 | M. Deering | Power-hammer | trip and helve hammers |
| 812,179 | Feb. 13, 1906 | C.A. Brinley | Wheel | industrial machine pulleys and belt drive mechanisms |
| 2,716,350 | Aug. 30, 1955 | R.D. Phares | Slow speed converter motor drive | metalworking speed changing mechanisms |
