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| Patents for Joseph Barker | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,487X | Apr. 10, 1811 | J. Barker | Tanning leather | ||
| 1,635X | Jan. 10, 1812 | J. Barker | Art of tanning | ||
| GB-181,604,084 | Nov. 19, 1816 | J. Barker | Improvements in the method or means of acting upon machinery | propulsion and energy | |
| 115,414 | May 30, 1871 | J. Barker | Improvement in Sand Papering Machines | sanding machines | |