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| Patents for John P. Jacobs | |||||
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| Number | Date | Patentee | Title | Type | |
| 39,900 | Sep. 15, 1863 | T.H. Dodge | Improvement in Screw-Wrenches | nut wrenches | |
| 57,990 | Sep. 11, 1866 | W. Zeller, J. Stephen | Pie Crimper | pie crimpers | |
| 181,889 | Sep. 05, 1876 | T.M. Healey | Improvement in machines for making barrels | barrel making machines | |