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| Patents for William Blanch Brain | |||||
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| Number | Date | Patentee | Title | Type | |
| AU-1,890,000,001 | Aug. 20, 1889 | F. Baker, A.J. Arnot, W.B. Brain | Improved electrical rock-drill, coal-digger, or earth-cutter | handheld power drills | |
| CA-38,458 | Mar. 10, 1892 | A.J. Arnot, W.B. Brain | Alternating electric current motor | AC motors | |