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| Patents for Harry J. Criner | |||||
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| Number | Date | Patentee | Title | Type | |
| 896,439 | Aug. 18, 1908 | H.J. Criner | Valve | internal combustion engine valves | |
| 953,460 | Mar. 29, 1910 | H.J. Criner | Exhaust Valve Regulator | internal combustion engine valves | |
| 998,327 | Jul. 18, 1911 | H.J. Criner | Exhaust Valve Regulator | ||