| All Patents in class 474/187 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 229,138 | Jun. 22, 1880 | E.E. Josef | Wheel and Pulley |
 | 244,126 | Jul. 12, 1881 | W.D. Herschel | Friction-pulley |
 | 271,416 | Jan. 30, 1883 | W.W. Carey | Wood-rim pulley |
 | 282,161 | Jul. 31, 1883 | W.W. Carey | Wood-rim pulley |
| | 295,999 | Apr. 01, 1884 | E.F. Gordon | Self-lubricating loose pulley |
 | 451,590 | May 05, 1891 | R.F. Barker | Pulley for band-saw mills |
| | 575,106 | Jan. 12, 1897 | T. Corscaden | Pulley |
 | 615,883 | Dec. 13, 1898 | A.W. Nelson | Loose Pulley and Means for Attaching Same to Shafts |
| | 643,782 | Feb. 20, 1900 | J.R. Thame | Fiber Pulley |
| | 788,185 | Apr. 25, 1905 | R.H. Bowen | Sheet-metal pulley |
