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| Patents for Junius Judson | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,755 | Nov. 05, 1850 | J. Judson, A. Judson | Valve for Governors | steam engine governors | |
| RE255 | Jan. 10, 1854 | J. Judson, A. Judson | Improved Governor-valve for Steam-engines | steam engine governors | |
| 346,164 | Jul. 27, 1886 | J. Judson | Lathe | turret lathes | |
| 349,847 | Sep. 28, 1886 | J. Judson | Governor | steam engine governors | |