| Patents for Hans Ernst |
Patents 1 -
10
of 92
      |
| Picture | Number | Date | Patentee | Title |
| | 1,719,693 | Jul. 02, 1929 | H. Ernst | Variable Displacement Pump |
| | 1,731,482 | Oct. 15, 1929 | L.F. Nenninger, H. Ernst | Spindle Oscillator |
| | 1,778,452 | Oct. 14, 1930 | H. Ernst | Grinding Machinery |
| | 1,788,761 | Jan. 13, 1931 | H. Ernst | Machine Tool Drive |
| | 1,820,653 | Aug. 25, 1931 | H. Ernst | Hydraulic Valve |
| | 1,832,694 | Nov. 17, 1931 | L.F. Nenninger, H. Ernst | Auxiliary Manual Means for Actuating Hydraulic Motors |
| | 1,835,976 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Machine Tool Having Hydraulic Feed |
| | 1,835,977 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Hydraulic System |
| | 1,835,978 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Multiple Closed Circuit Hydraulic ystem |
| | 1,835,979 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Three-Pump Hydraulic System |
