| All Patents in class 192/93B |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 60,269 | Dec. 04, 1866 | C.B. Smith | Improvement in friction pulley | industrial machine pulleys and belt drive mechanisms |
| RE2,588 | Apr. 30, 1867 | F.A. Pratt | Improvement in device for stopping and changing motion | |
| 80,024 | Jul. 14, 1868 | H.K. Smith | Friction Clutch Pulley | industrial machine clutches |
| 100,064 | Feb. 22, 1870 | F.A. Pratt | Improvement in friction-clutches | industrial machine clutches |
| 189,062 | Apr. 03, 1877 | M. Rumely | Friction Clutch | industrial machine clutches |
| 326,091 | Sep. 15, 1885 | A.B. Bean | Friction Clutch | industrial machine clutches |
| 363,507 | May 24, 1887 | M.C. Crompton, Administratrix, H. Wyman, G. Crompton, deceased (Estate of) | Friction Clutch | industrial machine clutches |
| 370,118 | Sep. 20, 1887 | J.L. Bogert | Friction-clutch | industrial machine clutches |
| 378,803 | Feb. 28, 1888 | W. Oesterlein | Friction-clutch | industrial machine clutches |
| 456,909 | Jul. 28, 1891 | A.C. Rice | Friction-clutch | friction clutches |
| 551,213 | Dec. 10, 1895 | W.A. Leonard | Friction Clutch | industrial machine clutches |
| 586,832 | Jul. 20, 1897 | J.G. Oliver, G.C. Bardons | Friction-clutch | industrial machine clutches |
| 785,251 | Mar. 21, 1905 | N.D. Chard, W. Lodge | Clutch | metal lathes |
| 843,076 | Feb. 05, 1907 | J.S. Detrick | Clutch Operating Mechanism | industrial machine clutches |
| 925,041 | Jun. 15, 1909 | E.R. Seward | Stop Motion for Metalworking Machines | metalworking power transmission |
