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| Patents for Jacob R. Hoffman | |||||
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| Number | Date | Patentee | Title | Type | |
| 110,236 | Dec. 20, 1870 | J.R. Hoffman | Improvement in saw-mills | band sawmills | |
| 192,917 | Jul. 10, 1877 | J.R. Hoffman | Improvement in band-saw mills | band sawmills | |
| 417,425 | Dec. 17, 1889 | J.R. Hoffman | Band-saw pulley | bandsaw wheels | |