| Patents for Hans Ernst |
Patents 16 -
30
of 92
      |
| Number | Date | Patentee | Title | Type |
| 1,872,709 | Aug. 23, 1932 | H. Ernst | Gasket | hydraulic apparatus |
| 1,891,670 | Dec. 20, 1932 | H. Ernst | Multiconnection Hydraulic Cable | hydraulic apparatus |
| 1,893,068 | Jan. 03, 1933 | H. Ernst, L.F. Nenninger | Control for Hydraulic Systems | hydraulic apparatus |
| 1,893,825 | Jan. 10, 1933 | H. Ernst | Hydraulic Transformer | hydraulic apparatus |
| 1,897,032 | Feb. 14, 1933 | H. Ernst | Convertible Type Feed System | hydraulic apparatus |
| 1,904,971 | Apr. 18, 1933 | L.F. Nenninger, H. Ernst | Milling Machine | milling machines |
| 1,938,758 | Dec. 12, 1933 | H. Ernst | Spindle Oscillator | grinding machines |
| 1,938,759 | Dec. 12, 1933 | H. Ernst | Grinding Machine | grinding machines |
| 1,938,772 | Dec. 12, 1933 | H.R. Isler, H. Ernst | Hydraulic Drive for Milling Machines | hydraulic apparatus |
| 1,938,773 | Dec. 12, 1933 | L.F. Nenninger, H. Ernst | Rotary Cutter | milling machine cutters |
| 1,938,774 | Dec. 12, 1933 | M.E. Martellotti, H. Ernst | Milling Machine | milling machines |
| 1,952,423 | Mar. 27, 1934 | H. Ernst, A.H. Dall | Grinding Machine | grinding machines |
| 1,954,442 | Apr. 10, 1934 | H. Ernst, A.H. Dall | Grinding Machine | grinding machines |
| 1,961,514 | Jun. 05, 1934 | A.H. Dall, H. Ernst | Automatic Lubricator | metalworking machine lubrication |
| 1,965,224 | Jul. 03, 1934 | M.E. Martellotti, H. Ernst | Vibration Dampener for Machine Tools | metalworking machine mechanisms |
