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| Patents for Ira E. Hobson | |||||
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| Number | Date | Patentee | Title | Type | |
| 153,033 | Jul. 14, 1874 | J. Hobson, I.E. Hobson, C. Albertson | Improvement in machines for cutting locks in hoops | hoop making machines | |
| 153,996 | Aug. 11, 1874 | J. Hobson, I.E. Hobson, C. Albertson | Improvement in stave-machines | barrel making machines | |
| 192,695 | Jul. 03, 1877 | J.H. Hobson | Improvement in guide-pulleys for band-saws | bandsaw guides | |