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| Patents for Henry H. Cummings | |||||
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| Number | Date | Patentee | Title | Type | |
| 427,557 | May 13, 1890 | H.H. Cummings | Rivet-setting machine | riveting machines | |
| 529,713 | Nov. 27, 1894 | H.H. Cummings | Speed Changing and Reversing Mechanism | metalworking variable speed mechanisms | |
| 529,714 | Nov. 27, 1894 | H.H. Cummings | Speed Changing and Reversing Mechanism | metalworking variable speed mechanisms | |
| 529,715 | Nov. 27, 1894 | H.H. Cummings | Speed Changing, Reversing and Stopping Mechanism | ||