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| Patents for James H. Arnold | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,541X | Sep. 25, 1826 | J.H. Arnold | Wool carding machine | cloth carding machines | |
| 6,065X | Jul. 07, 1830 | J.H. Arnold, J. Bonsall | Thrashing machine | threshers and thrashers | |
| 148,345 | Mar. 10, 1874 | J.H. Arnold | Clevises | clevises | |