| All Patents in class 318/39 |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 925,108 | Jun. 15, 1909 | D.R. Sperry, R.M. Klein | Motor Controlling Device | industrial machine speed and direction changing mechanisms |
| 1,386,159 | Aug. 02, 1921 | G.H. Case | Controlling System for Feed Motor | motor controls |
| 1,773,712 | Aug. 19, 1930 | J.B. Wiard | Apparatus for controlling electric motors | electric motors |
| 2,079,004 | May 04, 1937 | J.E. Doran | Method for regulating the rate of feed of a milling machine or other machine tool having a plurality of driving motors | milling machines |
| 2,129,049 | Sep. 06, 1938 | J.E. Doran | Means for regulating the rate of feed of a milling machine or other machine tool | milling machines |
| 2,336,849 | Dec. 14, 1943 | G. Davenport | Cutter Stop for Machine Tools | gear hobbing machines |
| 2,497,842 | Feb. 14, 1950 | T.A. Wetzel, T.F. Eserkaln, J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,546,692 | Mar. 27, 1951 | R.B. Lesher, C.E. Greene | Control System | machine tool controls |
| 2,600,988 | Jun. 17, 1952 | R.B. Lesher, C.E. Greene | Constant Surface Speed Lathe | machine tool controls |
| 2,630,038 | Mar. 03, 1953 | T.B. Buell, H.R. Leber | Automatic multiple cycle apparatus for machine tools | |
| 2,631,500 | Mar. 17, 1953 | J. Daugherty, W.B. Wigton | Machine Tool | horizontal boring mills |
| 2,643,441 | Jun. 30, 1953 | K.F. Gallimore | Machine Tool | horizontal boring mills |
| 2,748,665 | Jun. 05, 1956 | J.A. Sean | Machine Tool Positioning Mechanism | metalworking machine mechanisms |
| 2,809,333 | Oct. 08, 1957 | E.K. Wagner | Constant Chip Thickness Motor Control System for Machine Tools | vertical boring mills |
| 2,814,007 | Nov. 19, 1957 | C.E. Greene, R.B. Lesher | Automatic Cycle Machine Tool | automatic lathes |
