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| Patents for Henri Flaud | |||||
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| Number | Date | Patentee | Title | Type | |
| FR-10,441 | Sep. 09, 1850 | H. Flaud, H. Giffard | Steam engine | steam engines | |
| FR-34,536 | Nov. 26, 1857 | H. Giffard, H. Flaud | Regulator valve | steam engine valves | |