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All Patents in class 91/5 | |||||
Number | Date | Patentee | Title | Type | |
22,641 | Jan. 18, 1859 | H. Goulding | Steam-valve | steam engine valves | |
245,774 | Aug. 16, 1881 | B. Brazelle | Steam-engine | steam engines | |
245,775 | Aug. 16, 1881 | B. Brazelle | Steam-engine | steam engines | |
475,427 | May 24, 1892 | E.J. Woolf | Single Cylinder Compound Engine | steam engines |