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| Patents for The Irwin Auger Bit Company | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,622,209 | Mar. 22, 1927 | C.B. Robinson | Boring and Reaming Tool | tapered reamers | |
| 2,029,447 | Feb. 04, 1936 | H.M. Swain | Auger Bit | auger bits | |
| 2,193,917 | Mar. 19, 1940 | A.R. Bone, A.P. Albrecht | Bit Extension | drill bit extensions | |