| Patents for William  Evans | 
| Patents 1 - 
					9
					of 9 
       | 
| Number | Date | Patentee | Title | Type | 
| 409 | Sep. 25, 1837 | C. Parkhurst | Improvement in many-chambered fire-arms | firearms | 
| 67,395 | Aug. 06, 1867 | W. Evans, W.L. Aldrich | Improvement in Machines for Twisting Augers | tool making machines | 
| 88,559 | Apr. 06, 1869 | R.E. Hayden, W. Evans | Improvement in Molds for Casting Augers | making drills and augers | 
| 144,969 | Nov. 25, 1873 | W. Evans | Machines for Forging Hammers | tool making machines | 
| 332,242 | Dec. 15, 1885 | W. Evans | Drill-press | drill presses | 
| 335,184 | Feb. 02, 1886 | W. Evans | Drilling-machine | drill presses | 
| 374,181 | Dec. 06, 1887 | W. Evans | Attachment for drilling-machines | wheelwright | 
| 436,078 | Sep. 09, 1890 | W. Evans | Screw Cutting Attachment | metal planer accessories | 
| 706,191 | Aug. 05, 1902 | W.H. Evans, W. Evans, R.L. Morton, W.S. Morton, S.S. Morton | Traction Engine | steam traction engines |