| Patents for Hans Ernst |
Patents 31 -
45
of 92
      |
| Number | Date | Patentee | Title | Type |
| 1,969,063 | Aug. 07, 1934 | H.R. Isler, H. Ernst | Grinding Machine | grinding machines |
| 1,978,346 | Oct. 23, 1934 | C.W. Goodrich, H. Ernst | Delayed Trip for Hydraulic Circuits | hydraulic apparatus |
| 1,978,389 | Oct. 23, 1934 | H. Ernst, B. Sassen | Automatic Pattern Controlled Milling Machine | milling machines |
| 1,996,465 | Apr. 02, 1935 | H. Ernst | Hydroelectric Variable Feed Control | hydraulic apparatus |
| 1,996,466 | Apr. 02, 1935 | H. Ernst | Pressure Responsive Hydraulic Feed Control Mechanism | hydraulic apparatus |
| 1,996,467 | Apr. 02, 1935 | H. Ernst | Electromagnetic Hydraulic Control | hydraulic apparatus |
| 1,996,468 | Apr. 02, 1935 | H. Ernst | Electrical Control for Hydraulic Motors | motor controls |
| 1,998,003 | Apr. 16, 1935 | L.F. Nenninger, C.W. Goodrich, H. Ernst | Hydraulic Feed Control | hydraulic apparatus |
| 1,998,004 | Apr. 16, 1935 | H. Ernst | Differential Hydraulic Speed Gear | hydraulic apparatus |
| 1,999,834 | Apr. 30, 1935 | H. Ernst | Multiple Hydraulic Motor Operation | hydraulic apparatus |
| 2,005,731 | Jun. 25, 1935 | C.W. Goodrich, H. Ernst | Viscosity Compensating System | hydraulic apparatus |
| 2,005,732 | Jun. 25, 1935 | B. Sassen, H. Ernst | Balanced Pressure Hydraulic Circuit | hydraulic apparatus |
| 2,006,311 | Jun. 25, 1935 | B. Sassen, H. Ernst | Leakage Compensator for Hydraulic Systems | hydraulic apparatus |
| 2,006,312 | Jun. 25, 1935 | B. Sassen, H. Ernst | Compensating Bleeder Valve | hydraulic apparatus |
| 2,010,355 | Aug. 06, 1935 | L.F. Nenninger, H. Ernst | Machine Tool | metalworking power transmission |
