![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/180 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,489,887 | Nov. 29, 1949 | C.R. Houghton | Rotary pump | rotary pumps | |
| 2,684,637 | Jul. 27, 1954 | R.W. Erikson | Gear pump | ||
| 2,774,309 | Dec. 18, 1956 | O.W. Scheflow, L.T. Stoyke | Pump | ||