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| Patents for Henry L. Shaler | |||||
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| Number | Date | Patentee | Title | Type | |
| RE2,081 | Oct. 03, 1865 | R. Jennings | Improvement in Augers | auger bits | |
| 198,857 | Jan. 01, 1878 | H.L. Shaler | Improvement in Augers | auger bits | |
| 202,061 | Apr. 02, 1878 | H.L. Shaler | Improvement in Augers | auger bits | |
| 302,595 | Jul. 29, 1884 | H.L. Shaler | Auger Bit | auger bits | |
| 413,972 | Oct. 29, 1889 | H.L. Shaler | Auger | auger bits | |