| All Patents in class 192/46 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 191,239 | May 29, 1877 | J.H. Hopkins | Improvement in scroll-sawing machines | human powered machines |
| 212,336 | Feb. 18, 1879 | T.A. Weston | Ratchet Mechanism and Clutch for Machinery | industrial machine clutches |
| 225,050 | Mar. 02, 1880 | C.G. Cooper | Traction Engine | steam traction engines |
| 232,884 | Oct. 05, 1880 | J.H. Cox | Pawl Shifter for Traction Engines | traction engine propulsion components |
| 1,903,514 | Apr. 11, 1933 | F.W. Piche, H.H. Merriman | Rapid Rotating Socket Wrench | ratchet wrenches |
| 2,051,116 | Aug. 18, 1936 | H.C. Walsh, E.H. Hall | Power press driving mechanism | punch presses |
| 2,293,786 | Aug. 25, 1942 | E.C. Worden | Wrench | torque wrenches |
| 2,293,787 | Aug. 25, 1942 | E.C. Worden | Torque Wrench | torque wrenches |
| 2,602,347 | Jul. 08, 1952 | P.V. Miller | Thread Gauge Drive | thread gages |
| 2,826,107 | Mar. 11, 1958 | R.G. Woods | Ratcheting Torque-Limiting Wrench | ratchet wrenches |
| 2,858,918 | Nov. 04, 1958 | R. Bergsma | Pinion and idler gear for ratchet assembly | |
| 3,256,966 | Jun. 21, 1966 | T.F. Angquist | Ratcheting Tool Drive | ratcheting screwdrivers |
