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| All Patents of Type: steam whistles | |||||
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| Number | Date | Patentee | Title | Type | |
| 186,718 | Jan. 30, 1877 | J. Einig | Improvement in steam-whistle | steam whistles | |
| 471,171 | Mar. 22, 1892 | H.R. Frisbie | Steam Whistle | steam whistles | |
| 520,418 | May 29, 1894 | H.R. Frisbie | Steam Chime Whistle | steam whistles | |
| 787,422 | Apr. 18, 1905 | F.L. Wolfe | Whistle Valve | steam valves | |
| 1,890,212 | Dec. 06, 1932 | A.L. Bridgham | Whistle and the like | steam whistles | |