| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| All Patents in class 417/175 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 57,057 | Aug. 07, 1866 | J. Gresham | Improvement in injectors for boilers | |
| 88,620 | Apr. 06, 1869 | A. Friedman | Steam Pump | ||
| 165,843 | Jul. 20, 1875 | G.H. Little | Injector | ||
| RE8,104 | Feb. 26, 1878 | G.H. Little | Injector | ||
| 224,798 | Feb. 24, 1880 | J.S. Bancroft, W. Sellers | Injector for Feeding Boilers | ||
| 234,157 | Nov. 09, 1880 | E. Wohlers | Injector | ||
 | 234,158 | Nov. 09, 1880 | E. Wohlers | Injector | |
| 248,301 | Oct. 18, 1881 | W. Fuller | Boiler Injector | ||
| 276,319 | Apr. 24, 1883 | E. Wohlers | Injector | ||
 | 298,329 | May 06, 1884 | J. Wotapek | Injector and Ejector | |