| All Patents in class 192/225 | 
| Patents 1 - 
					11
					of 11 
       | 
| Number | Date | Patentee | Title | Type | 
| 2,421,206 | May 27, 1947 | O. Kylin, H.O. Kylin | Hydraulic brake mechanism and control therefor | turret lathes | 
| 2,465,942 | Mar. 29, 1949 | V.v. Sundt | Headstock control mechanism for machine tools | metal lathes | 
| 2,466,574 | Apr. 05, 1949 | E.P. Bullard, E.N. Cowell | Transmission |  | 
| 2,493,299 | Jan. 03, 1950 | H.C. Kemper, R.K. Le Blond | Hydraulic Gear Shifting Mechanism | metalworking machine mechanisms | 
| 2,500,562 | Mar. 14, 1950 | L. Oliver | Centrifugally Operated Mechanism | metalworking machine mechanisms | 
| 2,682,941 | Jul. 06, 1954 | A.H. Hawley, Sr. | Machine Tool Transmission | metalworking power transmission | 
| 2,782,891 | Feb. 26, 1957 | B. Sassen | Safety Controls | machine tool controls | 
| 2,856,044 | Oct. 14, 1958 | H.F. Koenig, III, M.W. Hazelton | Automatic shift two-speed press brake | sheet metal brakes | 
| 3,052,334 | Sep. 04, 1962 | W. Schroeder | Transmission Creep Mechanism for Machine Tool | metalworking variable speed mechanisms | 
| 3,093,225 | Jun. 11, 1963 | H.R. Uhtenwoldt | Machine Tool Preselect Speed Change Mechanism | metalworking power transmission | 
| 3,117,658 | Jan. 14, 1964 | C.L. Schulte, K.G. Byar, W.G. Hoelscher | Hydraulically Operated Transmission System | hydraulic apparatus |