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| Patents for Charles S. Hayden | |||||
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| Number | Date | Patentee | Title | Type | |
| 213,718 | Mar. 25, 1879 | A.D. Waymoth | Improvement in wood-turning lathes | wood lathes | |
| 254,419 | Feb. 28, 1882 | C.W. Wilder | Wood-turning lathe | wood lathes | |
| 254,480 | Mar. 07, 1882 | W.S. Huntington | Machine for turning irregular forms | pattern lathes | |
| 326,685 | Sep. 22, 1885 | G.F. Simonds | Insertible-tooth saw | insertable saw teeth | |
| 345,466 | Jul. 13, 1886 | C.W. Wilder | Gauge lathe | wood lathes | |