All Patents in class 91/37 |
Patents 16 -
30
of 37
|
Number | Date | Patentee | Title | Type |
2,612,184 | Sep. 30, 1952 | W.I. Evans | Sensitive Hydraulic Tracer Valve | hydraulic apparatus |
2,706,892 | Apr. 26, 1955 | A.H. Dall, H. Fritschi | Tracer Control Circuit for Pattern Controlled Machines | profiling machines |
2,713,246 | Jul. 19, 1955 | H. Fritschi, A.H. Dall | Tracer Control Mechanism Having Independent Rate and Direction Control | profiling machines |
2,727,419 | Dec. 20, 1955 | W.I. Evans | Reproducing Machine | profiling machines |
2,730,129 | Jan. 10, 1956 | H. Fritschi, A.H. Dall | Tracer Control Mechanism | |
2,791,885 | May 14, 1957 | B. Sassen | Hydraulic Tracer Control | hydraulic apparatus |
2,840,956 | Jul. 01, 1958 | C.M. Grinage | Grinding Machine | |
2,898,891 | Aug. 11, 1959 | R.J. Flanigan, N.V. Gusching | Hydraulic flow control | |
2,949,893 | Aug. 23, 1960 | H.C. McCurdy | Tracer Mechanism | metalworking machine mechanisms |
2,972,868 | Feb. 28, 1961 | B. Sassen | Machine tool slide control | |
3,000,362 | Sep. 19, 1961 | R.L. McCurdy, administratix, H.C. McCurdy, deceased (estate of) | Tracer Mechanism | metalworking machine mechanisms |
3,014,390 | Dec. 26, 1961 | E. Persson, A. Garde, H. Schiott | Control Equipment for Copying Machine Tools | tracer controlled lathes |
3,016,804 | Jan. 16, 1962 | J.G. Osburn, F. Zankl | Program Control System | milling machines |
3,017,863 | Jan. 23, 1962 | N.V. Gusching, W.H. Ulman | Electrical control system | |
3,026,680 | Mar. 27, 1962 | W.I. Evans | Hydraulic System for Pattern Controlled Machine | profiling machines |