| All Patents in class 192/101 | 
| Patents 1 - 
					6
					of 6 
       | 
| Number | Date | Patentee | Title | Type | 
| 217,787 | Jul. 22, 1879 | F.L. Fairchild | Traction Engine | steam traction engines | 
| 586,832 | Jul. 20, 1897 | J.G. Oliver, G.C. Bardons | Friction-clutch | industrial machine clutches | 
| 683,357 | Sep. 24, 1901 | M.J. Todd | Clutch for Traction Engines | traction engine clutches | 
| 683,815 | Oct. 01, 1901 | M.J. Todd | Clutch for Traction Engines | traction engine clutches | 
| 812,817 | Feb. 20, 1906 | J.H. Bryan | Clutch mechanism | drill presses | 
| 1,437,319 | Nov. 28, 1922 | A.B. Landis | Automobile clutch | motor vehicles |