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| Patents for Hampton W. Evans | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,384 | Feb. 13, 1855 | H.W. Evans | Spirit Level | inclinometers | |
| 179,546 | Jul. 04, 1876 | H.W. Evans | Improvements in Pipe Cutters and Wrenches | wrench combination tools | |
| 389,370 | Sep. 11, 1888 | H.W. Evans | Bevel and Square | bevel squares | |
| 426,001 | Apr. 22, 1890 | H.W. Evans | Combined Square, Level & Surface Gage | squares | |