| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 417/428 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,411,025 | Mar. 28, 1922 | F.G. Hobart, C.B. Jahnke | Oil Engine Feeding Device | fuel injection apparatus | |
| 1,460,875 | Jul. 03, 1923 | A. White | Rotary gear pump | ||
| 2,185,338 | Jan. 02, 1940 | E.C. Hassler | Fluid handling apparatus | rotary pumps | |
| 2,255,984 | Sep. 16, 1941 | E.M. Pfauser | Hydraulic Pump System | hydraulic pumps | |