| All Patents in class 82/133 | 
| Patents 1 - 
					15
					of 41 
       | 
| Number | Date | Patentee | Title | Type | 
| 637,461 | Nov. 21, 1899 | J. Hartness | Fluid Operated Lathe | metal lathes | 
| 1,744,885 | Jan. 28, 1930 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls | 
| 1,883,084 | Oct. 18, 1932 | E.J. Svenson | Machine tool |  | 
| 1,936,756 | Nov. 28, 1933 | R.E. Flanders | Hydraulic System and Mechanism Therefor | hydraulic apparatus | 
| 1,949,512 | Mar. 06, 1934 | C.H. Norton | Method of turning and grinding round work surfaces | cylindrical grinders | 
| 1,961,089 | May 29, 1934 | A. Schinkez, E.R. Smith | Speed Coordinating Mechanism for Machine Tools | metalworking machine mechanisms | 
| 1,987,186 | Jan. 08, 1935 | R.E. Flanders | Hydraulic Transmission | hydraulic apparatus | 
| 1,998,003 | Apr. 16, 1935 | L.F. Nenninger, C.W. Goodrich, H. Ernst | Hydraulic Feed Control | hydraulic apparatus | 
| 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool | horizontal boring mills | 
| 2,008,011 | Jul. 16, 1935 | W.H. Foster | Lathe | metal lathe accessories and attachments | 
| 2,012,084 | Aug. 20, 1935 | A.E. Robinson, G.E. Hieber, W.G. Hoelscher | Hydraulic Gear Shifting Mechanism | hydraulic apparatus | 
| 2,027,568 | Jan. 14, 1936 | C.A. Bickel, W.E. Whipp | Lathe | engine lathes | 
| 2,120,196 | Jun. 07, 1938 | L.W. Wright | Hydraulic Contouring Attachment for Machine Tools | milling machine accessories | 
| 2,148,348 | Feb. 21, 1939 | W.F. Groene, H.J. Siekmann | Turret lathe | turret lathes | 
| 2,289,957 | Jul. 14, 1942 | L.E. Godfriaux | Machine Tool Transmission and Control | metalworking power transmission |