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| All Patents of Type: steam engine valve gear | |||||
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| Number | Date | Patentee | Title | Type | |
| 168,215 | Sep. 28, 1875 | H.J. Behrens | Improvement in valve-gears | steam engine valve gear | |
| 178,714 | Jun. 13, 1876 | H.J. Behrens | Improvement in valve-gears for direct-acting engines | steam engine valve gear | |
| 335,578 | Feb. 09, 1886 | J. Grime | Valve Gear For Engines | steam engine valve gear | |
| 2,082,092 | Jun. 01, 1937 | A.D. Baker | Auxiliary Gear Mechanism | steam engine valve gear | |