All Patents in class 91 |
Patents 1 -
15
of 808
|
Number | Date | Patentee | Title | Type |
6,939X | Feb. 20, 1832 | S. Costill | Steam and power engine | oscillating steam engines |
8,242X | Jun. 14, 1834 | S. Barber | Expansive steam engine | steam engines |
8,979X | Jul. 21, 1835 | A.M. Eastwick | Slide valves for steam engines | steam engine valves |
9,406X | Feb. 17, 1836 | W. Duff, T. Murphy | Valve, puppet, raising, etc. | |
9,672X | May 23, 1836 | A.S. Dawley | Steam engine | steam engines |
2,227 | Aug. 21, 1841 | H. Allen | Cut-off valve for steam-engines | steam engine valve gear |
3,042 | Apr. 10, 1843 | J. Nasmyth | Machinery or apparatus operated by steam for forging, stamping, and cutting iron and other substances | steam hammers |
3,426 | Feb. 07, 1844 | E.A. Lester | Oscillating Steam Engine | oscillating steam engines |
3,677 | Jul. 24, 1844 | H.R. Worthington | Manner of constructing and governing auxiliary steam-engines for the purpose of supplying steam-boilers with water | stationary boilers |
RE66 | Sep. 07, 1844 | H.R. Worthington | Improvement in the manner of constructing and governing an auxiliary steam-engine for the purpose of supplying a steam-boiler with water | stationary boilers |
3,878 | Jan. 10, 1845 | J.H. Towne | Oscillating Steam Engine | oscillating steam engines |
4,028 | May 01, 1845 | T. Rogers | Cut-Off Valve for Steam Engines | steam engine valves |
4,206 | Sep. 27, 1845 | S. Cheney | Machinery for cutting laths | lath making machines |
4,317 | Dec. 20, 1845 | J. Ericsson | Compound Steam Engine | steam engines |
AI82 | Apr. 24, 1847 | J. Nasmyth | Machinery or apparatus operated by steam for forging, stamping, and cutting iron and other substances | steam hammers |