| All Patents in class 192/66.2 | 
| Patents 1 - 
					15
					of 16 
       | 
| Number | Date | Patentee | Title | Type | 
| 25,733 | Oct. 11, 1859 | J. Hendy | Double friction-coupling | industrial machine clutches | 
| 29,682 | Aug. 21, 1860 | E.G. Dyer | Feed-motion for sawmills | sawmill carriages | 
| 117,234 | Jul. 18, 1871 | G. Clisbee | Friction Clutch | industrial machine clutches | 
| RE5,335 | Mar. 25, 1873 | J. Hendy | Double friction-coupling | industrial machine clutches | 
| RE9,806 | Jul. 19, 1881 | J. Knowlson, Jr. | Rope-drum for windlasses | hoists, winches, come-alongs | 
| 286,357 | Oct. 09, 1883 | W.M. Wilkin | Feed mechanism for saw-mills | sawmill feed works | 
| 286,906 | Oct. 16, 1883 | W.A. Clarke | Traction-engine | steam traction engines | 
| 520,528 | May 29, 1894 | E.L. Jones | Clutch | industrial machine clutches | 
| 551,213 | Dec. 10, 1895 | W.A. Leonard | Friction Clutch | industrial machine clutches | 
| 561,198 | Jun. 02, 1896 | J.H. Brown | Counter Shaft | industrial machine speed and direction changing mechanisms | 
| 617,419 | Jan. 10, 1899 | F.G. Hobart | Friction Clutch | industrial machine clutches | 
| 681,152 | Aug. 20, 1901 | E.E. Thomas | Cone friction-clutch | industrial machine clutches | 
| 685,723 | Oct. 29, 1901 | T.C. Menges | Friction Clutch | clutches | 
| 897,044 | Aug. 25, 1908 | A.J. Winegar | Clutch Mechanism | industrial machine clutches | 
| 1,988,967 | Jan. 22, 1935 | G.W. Emrick | Clutch device | tapping heads and chucks |