| All Patents in class 74/28 |
Patents 1 -
15
of 34
      |
| Number | Date | Patentee | Title | Type |
| 902,603 | Nov. 03, 1908 | A.D. Baker, C.J. Pilloid | Valve-Gear | steam engine valve gear |
| 1,166,974 | Jan. 04, 1916 | A.L. De Leeuw | Machine Tool Control | machine tool controls |
| 1,791,270 | Feb. 03, 1931 | W.F. Groene | Motor Traverse for Lathes | metalworking machine mechanisms |
| 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission | metal lathes |
| 2,061,311 | Nov. 17, 1936 | J.E. Lovely | Machine Tool | automatic lathes |
| 2,110,173 | Mar. 08, 1938 | J.B. Armitage, W.M. Pohl | Machine Tool Transmission and Control | milling machines |
| 2,149,013 | Feb. 28, 1939 | F.A. Fritzsch | Speed Changing Mechanism | metalworking speed changing mechanisms |
| 2,203,743 | Jun. 11, 1940 | F.A. Parsons | Machine Tool Transmission and control | metalworking machine mechanisms |
| 2,264,804 | Dec. 02, 1941 | J.E. Lovely | Machine Tool | automatic lathes |
| 2,266,696 | Dec. 16, 1941 | T.A. Wettig | Lathe | metal lathes |
| 2,347,259 | Apr. 25, 1944 | W.L. Groene | Lathe Headstock Transmission | metalworking machine mechanisms |
| 2,363,934 | Nov. 28, 1944 | A.F. Bennett | Driving and Control Mechanism for Milling and Similar Machines | machine tool controls |
| 2,374,256 | Apr. 24, 1945 | W.F. Zimmermann | Gear Transmission | metalworking machine gearing |
| 2,382,719 | Aug. 14, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism | metalworking power transmission |
| 2,392,963 | Jan. 15, 1946 | H.L. Heywood, J.B. Armitage | Milling Machine | milling machines |
