| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 60/475 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 1,835,979 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Three-Pump Hydraulic System | ||
| 1,870,501 | Aug. 09, 1932 | W. Ernst | Plural Pressure Pump Control for Hydraulic Presses | ||
| 2,006,311 | Jun. 25, 1935 | B. Sassen, H. Ernst | Leakage Compensator for Hydraulic Systems | ||