| All Patents in class 91/378 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 992,161 | May 16, 1911 | A.D. Catlin | Valve mechanism | sawmill carriages |
| 1,545,638 | Jul. 14, 1925 | H.C. Clay | Automatic Speed Regulation | industrial machine speed and direction changing mechanisms |
| 1,851,816 | Mar. 29, 1932 | W. Dieter | Depth engine for automobile torpedoes | torpedoes |
| 1,959,177 | May 15, 1934 | B. Sassen | Hydraulic Steering Gear | steering apparatus |
| 2,225,952 | Dec. 24, 1940 | H.C. Clay | Control Mechanism | hydraulic motor controls |
| 2,270,059 | Jan. 13, 1942 | M. Kahr | Control mechanism for sawmill carriage steam feeds | sawmill feed works |
| 2,295,161 | Sep. 08, 1942 | H.C. Clay | Hydraulic Control Mechanism | hydraulic machinery |
| 2,602,437 | Jul. 08, 1952 | W.L. Tancred | Hydraulic Profiler for Truing Devices and the Like | hydraulic apparatus |
| 2,636,579 | Apr. 28, 1953 | M. De Haas | Tailstock Spindle Clamping Device | metal lathe mechanisms |
| 2,722,889 | Nov. 08, 1955 | G.A. Wahlmark | Servo-type control for pumps | |
| 2,727,419 | Dec. 20, 1955 | W.I. Evans | Reproducing Machine | profiling machines |
| 3,298,283 | Jan. 17, 1967 | E.P. Bullard, III | Fluid Transmission System | |
| 3,315,569 | Apr. 25, 1967 | L.A. Dever | Control Mechanism for Machine Tool | machine tool controls |
