All Patents of Type: steam safety valves |
Patents 1 -
15
of 82
|
Number | Date | Patentee | Title | Type |
4,267X | Nov. 16, 1825 | W.S. Gilleltt | Alarm or reversed safety valve | steam safety valves |
6,021X | Jun. 08, 1830 | T. Ewbank | Preventing explosion of steam boilers by detector | steam safety valves |
FX-6,157 | Oct. 01, 1830 | A.B. Quimby | Preventing explosion of steamboat boilers | steam safety valves |
6,736X | Aug. 27, 1831 | T. Ewbank | Hydrostatic safety-valve for steam boilers | steam safety valves |
6,915X | Jan. 30, 1832 | J.C. Douglas | Piston safety valve | steam safety valves |
GB-184,812,026 | Jan. 13, 1848 | R. Wilson | Rotary steam engines; safety-valves for steam-boilers | steam safety valves |
8,923 | May 04, 1852 | J. McClintic | Differential safety-valve | steam safety valves |
23,807 | Apr. 26, 1859 | H.H. Evarts | Steam-valve | steam safety valves |
59,764 | Nov. 20, 1866 | C.M. Farrar | Improvement in Lock-Up Safety Valve | steam safety valves |
79,021 | Jun. 16, 1868 | J. Souther | Steam Safety Valve | steam safety valves |
81,878 | Sep. 08, 1868 | G.H. Clemens, E. Clemens | Improvement in steam safety-valves | steam safety valves |
85,792 | Jan. 12, 1869 | G.H. Clemens | Improvement in steam safety-valves | steam safety valves |
86,346 | Feb. 02, 1869 | J. Ashcroft | Safety Valve | steam safety valves |
90,278 | May 18, 1869 | J. Linnard | Safety Valve | steam safety valves |
113,517 | Apr. 11, 1871 | B. Holly | Safety Valve | steam safety valves |