Patents for Oliver Evans |
Patents 1 -
8
of 8
|
Number | Date | Patentee | Title | Type |
3X | Dec. 18, 1790 | O. Evans | Manufacturing Flour and Meal | miller |
117X | May 28, 1796 | O. Evans | Improvment in Burr Mill Stones | mill stones |
267X | Jan. 16, 1800 | O. Evans | Improvement on stoves and grates | stoves |
518X | Feb. 14, 1804 | O. Evans | Grinding Mill | miller |
519X | Feb. 14, 1804 | O. Evans | Steam Engine | steam engines |
817X | Jan. 22, 1808 | O. Evans | Mode of manufacturing flour and meal | miller |
1,490X | Apr. 15, 1811 | O. Evans | Saw mills | sawmills |
4,087X | Apr. 14, 1825 | O. Evans, C. Evans | Self-sharpening plough | plows |