| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/190 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 1,460,875 | Jul. 03, 1923 | A. White | Rotary gear pump | ||
 | 1,633,793 | Jun. 28, 1927 | F. Porst | Gear pump | |
| 1,976,227 | Oct. 09, 1934 | C.J. Howard | Gear Pump | ||