| All Patents in class 29/42 | 
| Patents 1 - 
					15
					of 43 
       | 
| Number | Date | Patentee | Title | Type | 
| 387,121 | Jul. 31, 1888 | F.W. Taylor | Method of Feeding the Support of a Metal Cutting Tool | metal lathe accessories and attachments | 
| 490,864 | Jan. 31, 1893 | C.M. Conradson | Lathe | metal lathes | 
| 627,385 | Jun. 20, 1899 | J. Brockie | Automatic Lathe | automatic lathes | 
| 635,887 | Oct. 31, 1899 | J. Hartness | Turret Lathe | turret lathes | 
| 635,888 | Oct. 31, 1899 | J. Hartness | Turret Lathe | turret lathes | 
| 672,398 | Apr. 16, 1901 | J. Hartness | Lathe | automatic lathes | 
| 735,254 | Aug. 04, 1903 | J. Hartness | Metal Working Machine | metal lathe accessories and attachments | 
| 739,866 | Sep. 29, 1903 | J. Hartness | Turret Lathe | turret lathes | 
| 1,140,299 | May 18, 1915 | C.M. Conradson | Automatic Multiple Spindle Lathe | multiple spindle lathes | 
| 1,244,664 | Oct. 30, 1917 | H.E. Warren | Fluid-operated lathe | metal lathes | 
| 1,282,152 | Oct. 22, 1918 | H.E. Warren | Fluid-operated lathe | metal lathes | 
| 1,690,541 | Nov. 06, 1928 | A.R. Kuzelewski | Fluid or air controlling and operating device for machine tools or the like | metalworking machine mechanisms | 
| 1,800,982 | Apr. 14, 1931 | E.C. Bullard, F.H. Mussler | Hydraulic Change-Speed Gear Mechanism |  | 
| 1,832,694 | Nov. 17, 1931 | L.F. Nenninger, H. Ernst | Auxiliary Manual Means for Actuating Hydraulic Motors | hydraulic apparatus | 
| 1,924,594 | Aug. 29, 1933 | C.W. Goodrich, L.H. Blood | Combined Automatic Machine Tool | milling machines |