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| Patents for Philo C. Curtis | |||||
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| Picture | Number | Date | Patentee | Title | |
| 6,535X | May 03, 1831 | P.C. Curtis | Steam engine boiler | ||
| 6,976X | Mar. 27, 1832 | P.C. Curtis | Forge backs and for other fires where a blast is required | ||
| 7,767X | Sep. 17, 1833 | L. Yale, P.C. Curtis | Horse power | ||
| 7,770X | Sep. 17, 1833 | P.C. Curtis, L. Yale | Thrashing machine | ||
| 8,834X | May 22, 1835 | P.C. Curtis | Pump | ||
| 8,843X | May 29, 1835 | P.C. Curtis | Propelling machinery by means of cams and inclined planes | ||