| All Patents in class 137 |
Patents 316 -
330
of 342
      |
| Number | Date | Patentee | Title | Type |
| 2,636,506 | Apr. 28, 1953 | C.W. St. Clair | Strainer-equipped condensation drainer | |
| 2,671,292 | Mar. 09, 1954 | E.Y. Seborg, H.J. Caldwell | Control Mechanism for Honing Machines | machine tool controls |
| 2,671,294 | Mar. 09, 1954 | E.S. Cornell | Hydraulically Driven Machine Tool | surface grinders |
| 2,705,501 | Apr. 05, 1955 | R.C. Fritzsch | Non-repeat valve | sheet metal brakes |
| 2,782,802 | Feb. 26, 1957 | B. Sassen | Hydraulic control system | |
| 2,871,886 | Feb. 03, 1959 | N.V. Gusching, J. Obreski | Manifold | |
| 2,880,941 | Apr. 07, 1959 | G.B. Fox, S.O. Thomas | Rotor actuated flushing water control for waste disposer | |
| 2,898,891 | Aug. 11, 1959 | R.J. Flanigan, N.V. Gusching | Hydraulic flow control | |
| 2,912,011 | Nov. 10, 1959 | F.G. Burg | Valve structure | drill presses |
| 2,923,306 | Feb. 02, 1960 | W.G. Mitchell | Pressure regulator valve mechanism for air tools | |
| 2,924,239 | Feb. 09, 1960 | S.A. Bjorklund | Servo Valve Having Helically Arranged Metering Parts | metalworking machine mechanisms |
| 3,000,362 | Sep. 19, 1961 | R.L. McCurdy, administratix, H.C. McCurdy, deceased (estate of) | Tracer Mechanism | metalworking machine mechanisms |
| 3,017,863 | Jan. 23, 1962 | N.V. Gusching, W.H. Ulman | Electrical control system | |
| 3,067,768 | Dec. 11, 1962 | J.L. Burg | Temperature compensated hydraulic control device | drill presses |
| 3,092,134 | Jun. 04, 1963 | C.M. Allen, R.C. Geiger, D.A. Meeker | Drain and inlet hose arrangement for dishwasher | |
