| All Patents in class 192 |
Patents 16 -
30
of 988
      |
| Number | Date | Patentee | Title | Type |
| 58,765 | Oct. 16, 1866 | G.W. Bishop | Improvement in friction-clutch pulleys | industrial machine pulleys and belt drive mechanisms |
| 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 | |
| 68,108 | Aug. 27, 1867 | F.J. Plummer | Improvement in clutch-shippers | industrial machine clutches |
| 75,091 | Mar. 03, 1868 | T.A. Weston | Improved Right and Left-Hand Ratchet-Brace | brace chucks |
| 76,328 | Apr. 07, 1868 | W.H. Birch, J.B. Johnson | Improvement in friction-clutch | hoists, winches, come-alongs |
| 78,183 | May 26, 1868 | W.C. Burch | Improved hand-drill | hand drills |
| 78,961 | Jun. 16, 1868 | D. Harrington | Friction-Clutch Pulley | industrial machine clutches |
| 79,368 | Jun. 30, 1868 | E.J. Manville | Improvement in device for stop-motion for revolving shafts | |
| 80,024 | Jul. 14, 1868 | H.K. Smith | Friction Clutch Pulley | industrial machine clutches |
| 80,045 | Jul. 14, 1868 | C. Wright | Improvement in friction-clutch pulley | industrial machine clutches |
| 85,552 | Jan. 05, 1869 | A.E. Whitmore | Engine Lathe | metal lathes |
| 93,847 | Aug. 17, 1869 | A. Whitcomb | Planing Metals | metal planers |
| RE3,617 | Aug. 24, 1869 | S. Fowler, administrator, M. Fowler, administrator, G. Fowler, D. Fowler, deceased (estate of) | Improved Machine for Punching Metal | stamping presses |
| 100,064 | Feb. 22, 1870 | F.A. Pratt | Improvement in friction-clutches | industrial machine clutches |
