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| Patents for Henry K. Porter | |||||
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| Number | Title | Classification(s) | |||
| 72,327 | Improvement in vises | 74/548 | |||
| 103,925 | Improvement in saw-set | 76/68 | |||
| 103,926 | Improvement in calipers | 33/558.05 | |||
| 104,995 | Lathe Center | 184/109, 82/150 | |||
| RE5,653 | Improvement in vises | 269/285, 74/548 | |||
| 226,190 | Bolt-cutter | 30/193, 30/349 | |||
| 236,695 | Bolt-cutter | 30/193, 30/271 | |||
| 484,670 | Bolt-clipper | 30/193 | |||
| 909,663 | Bolt Clipper | 30/179, 30/193, 30/271 | |||