| All Patents in class 92/166 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 132,267 | Oct. 15, 1872 | J.R. Eichenberger | Improvement in Reciprocating Steam Engines | steam engine pistons |
| 260,598 | Jul. 04, 1882 | J.A. Miller | Traction Engine | steam traction engines |
| 1,687,369 | Oct. 09, 1928 | F.J. Lapointe | Hydraulic broaching machine | broaching machines |
| 2,295,161 | Sep. 08, 1942 | H.C. Clay | Hydraulic Control Mechanism | hydraulic machinery |
| 2,882,760 | Apr. 21, 1959 | L.A. Leifer | Infinitey Variable Incremental Feed Control | metalworking speed changing mechanisms |
| 3,913,451 | Oct. 21, 1975 | D.I. McDonald | Hydraulic Cylinder with Cushioning Means | hydraulic apparatus |
