All Patents in class 251 |
Patents 1 -
15
of 438
|
Number | Date | Patentee | Title | Type |
FX-6,157 | Oct. 01, 1830 | A.B. Quimby | Preventing explosion of steamboat boilers | steam safety valves |
8,303X | Jul. 10, 1834 | J. Kirkpatrick | Self-balance steam valves | |
8,849X | May 29, 1835 | J. Kirkpatrick | Boiler valves and cam of the steam engine | stationary boilers |
9,380X | Feb. 10, 1836 | C.W. Peckham | Molasses faucet | |
2,342 | Nov. 10, 1841 | L. Lincoln | Construction of molasses gates and cocks for drawing liquors | |
RE105 | Jan. 25, 1848 | L. Lincoln | Improvement in the construction of molasses gates and cocks for drawing liquors | |
5,540 | Apr. 25, 1848 | W.B. Hill | Balance Valve for Steam Engines | traction engine governors |
10,398 | Jan. 03, 1854 | W. Wright | Operating Cut-Off Valves of Steam Engines | steam engine valves |
10,800 | Apr. 18, 1854 | R.M. Bouton | Faucet | faucets |
12,507 | Mar. 13, 1855 | N.T. Greene | Cut-off valve for steam-engines | steam engine valve gear |
12,873 | May 15, 1855 | J.A. Reed | Steam-Engine Valve | steam pumps |
15,030 | Jun. 03, 1856 | H.R. Worthington | Method of attaching stems to conical valves | water valves |
15,400 | Jul. 22, 1856 | H.R. Worthington | Relieving steam slide-valves from pressure | steam engine valve gear |
16,351 | Jan. 06, 1857 | C. Bradley | Steam Balanced Valve | steam engine valve gear |
17,433 | Jun. 02, 1857 | L.J. Knowles | Faucet | |