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| Patents for James Aitchison | |||||
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| Number | Date | Patentee | Title | Type | |
| 217,570 | Jul. 15, 1879 | J.F. Doolittle, J. Aitchison | Boiler Flue Cleaner | flue cleaners | |
| 246,858 | Sep. 13, 1881 | J. Aitchison | Relief Valve for Steam Engines | steam engines | |
| 510,149 | Dec. 05, 1893 | J. Aitchison | Oil Burner | ||