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| Patents for H. K. Porter, Inc. | |||||
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| Number | Date | Patentee | Title | Type | |
| 226,190 | Apr. 06, 1880 | H.K. Porter | Bolt-cutter | bolt cutters | |
| 484,670 | Oct. 18, 1892 | H.K. Porter | Bolt-clipper | bolt cutters | |
| 1,822,745 | Sep. 08, 1931 | H.W. Porter | Cutting tool | bolt cutters | |
| 2,090,259 | Aug. 17, 1937 | F.T. Lind | Tool | bolt cutters | |
| 2,132,825 | Oct. 11, 1938 | F.T. Lind, E.M. Webster | Pivot joint | bolt cutters | |