| All Patents in class 74/346 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 1,140,299 | May 18, 1915 | C.M. Conradson | Automatic Multiple Spindle Lathe | multiple spindle lathes |
| 1,740,744 | Dec. 24, 1929 | F.A. Parsons | Fluid Transmission and Control Means for Machine Tools | milling machines |
| 1,794,472 | Mar. 03, 1931 | F.H. Mussler | Hydraulic Change-Speed-Gear Mechanism | |
| 1,800,982 | Apr. 14, 1931 | E.C. Bullard, F.H. Mussler | Hydraulic Change-Speed Gear Mechanism | |
| 1,904,971 | Apr. 18, 1933 | L.F. Nenninger, H. Ernst | Milling Machine | milling machines |
| 1,914,167 | Jun. 13, 1933 | W.D. Archea, M. Romaine | Milling Machine | milling machines |
| 1,965,253 | Jul. 03, 1934 | L.F. Nenninger | Variable Speed Transmission for Machine Tools | metalworking variable speed mechanisms |
| 1,976,139 | Oct. 09, 1934 | B. Sassen, L.F. Nenninger | Milling Machine | milling machines |
| 2,010,556 | Aug. 06, 1935 | L.F. Nenninger, F.A. Hassman | Transmission and control mechanism for milling machines | milling machines |
| 2,012,081 | Aug. 20, 1935 | H. Ernst, L.F. Nenninger | Milling Machine | milling machines |
| 2,012,083 | Aug. 20, 1935 | W.L. Schellenbach | Machine Tool Apparatus | machine tool controls |
| 2,012,084 | Aug. 20, 1935 | A.E. Robinson, G.E. Hieber, W.G. Hoelscher | Hydraulic Gear Shifting Mechanism | hydraulic apparatus |
| 2,313,438 | Mar. 09, 1943 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism | metalworking speed changing mechanisms |
| 2,331,695 | Oct. 12, 1943 | G.H. Johnson | Transmission and Control Mechanism | metal lathes |
| 2,339,604 | Jan. 18, 1944 | R.H. McClellan, C.E. Linden | Hydraulic gear shifting and driving system | radial drill presses |
