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| All Patents in class 137/630.14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,931 | Feb. 28, 1845 | S. Talbott | Steam-valve | steam engine valves | |
| 816,217 | Mar. 27, 1906 | J. Chambers | Throttle Valve | steam engine valves | |
| 2,151,658 | Mar. 21, 1939 | B.E. Folke | Injector | water injectors | |
| 2,403,427 | Jul. 02, 1946 | O.H. Ludeman | Valve Mechanism | steam valves | |