| All Patents in class 91/443 |
Patents 1 -
11
of 11
      |
| Number | Title | Classification(s) |
| 50,320 | Improvement in cut-off valves | 91/274, 91/443, 91/445 |
| 640,504 | Steam log-turner | 83/712, 91/443, 91/448, 91/530, 91/DIG.002, 92/61 |
| 694,780 | Steam set-works | 91/443, 91/464, 92/13.1 |
| 1,244,664 | Fluid-operated lathe | 29/42, 29/48.50R, 408/14, 408/63, 409/152, 82/153, 91/246, 91/321, 91/393, 91/398, 91/403, 91/410, 91/443 |
| 1,537,437 | Trimmer-saw mechanism | 137/596, 137/614.13, 137/625.27, 251/354, 83/508.1, 83/571, 91/409, 91/443 |
| 2,139,173 | Control Circuit for Broaching Machines | 91/443, 91/446, 91/461 |
| 2,286,880 | Hydraulic Control System | 137/596.14, 137/624.27, 137/637, 251/257, 251/31, 60/427, 60/460, 60/471, 91/420, 91/443, 91/446, 91/448, 91/536, 91/6 |
| 2,444,474 | Fluid pressure device | 91/420, 91/421, 91/443, 92/117A |
| 2,454,235 | Drilling machine | 173/19, 408/130, 408/135, 91/169, 91/355, 91/407, 91/443 |
| 2,496,756 | Control system for hydraulically driven machine tool elements | 415/49, 91/219, 91/443, 91/461 |
| 3,077,132 | Feed control for band saws | 83/27, 83/617, 83/639.5, 83/74, 83/756, 83/794, 83/801, 83/813, 83/820, 91/189R, 91/390, 91/443, 91/447 |
