| All Patents in class 474/132 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 113,113 | Mar. 28, 1871 | W.H. Thorne | Improvement in apparatus for transmitting power to machinery | industrial machine mechanisms |
| 320,544 | Jun. 23, 1885 | W.H. Dodge | Device for transmitting power | belts, belt lacing and belt lacers |
| 357,593 | Feb. 15, 1887 | J.J. Greenough | Device for conveying motion | industrial machine mechanisms |
| 397,701 | Feb. 12, 1889 | W.P. Dallett | Drilling-machine | drill presses |
| 415,268 | Nov. 19, 1889 | F. Hart | Counter-shaft | industrial machine mechanisms |
| 650,131 | May 22, 1900 | B.G. Luther | Belt-tightener | metalworking power transmission |
| 961,005 | Jun. 07, 1910 | H.A. Perkins | Belt-tightener | industrial machine pulleys and belt drive mechanisms |
| 1,523,988 | Jan. 20, 1925 | A.J. Vance | Veneer drier | veneer machines |
| 1,560,193 | Nov. 03, 1925 | W.G. Allen | Drilling machines | drill presses |
