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| All Patents in class 277/522 | |||||
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| Number | Date | Patentee | Title | Type | |
| RE254 | Jan. 10, 1854 | C.W. Noyes, T.W. Allen | Piston-Rod Packing | piston ring and packing | |
| RE255 | Jan. 10, 1854 | J. Judson, A. Judson | Improved governor-valve for steam-engines | steam engine governors | |
| 1,151,776 | Aug. 31, 1915 | J.L. Fuller | Valve | industrial valves | |