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| Patents for William M. Evans | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 112,254 | Feb. 28, 1871 | S. Ingersoll | Improvement in rock-drills | |
 | 2,607,969 | Aug. 26, 1952 | W.M. Evans, R.S. Thacker | Spacer for casting squirrel cage rotors | |
| 2,708,985 | May 24, 1955 | W.M. Evans, R.A. Morrison | Lubrication system | ||