| All Patents in class 91/272 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 36,695 | Oct. 21, 1862 | J.F. Allen | Improvement in valve-gears of steam-engines | steam engine valve gear |
| 37,299 | Jan. 06, 1863 | H. Messer | Air Engine | hot air engines |
| 94,316 | Aug. 31, 1869 | C.L. Inslee, W.H. Inslee | Improvement in steam-engine valve-gear | valve gear |
| 389,146 | Sep. 04, 1888 | N.T. Greene | Valve-gear for steam-engines | steam engine valve gear |
| 912,991 | Feb. 23, 1909 | J.F. Chuse | Steam Engine | steam engines |
| 1,045,630 | Nov. 26, 1912 | J. Stumpf | Unidirectional-flow steam-engine | steam engines |
| 1,062,808 | May 27, 1913 | H. Tscherning | Apparatus for jarring and pressing granular materials | |
| 1,102,367 | Jul. 07, 1914 | H. Tscherning | Jarring apparatus for packing granular materials | |
| 1,145,177 | Jul. 06, 1915 | A.D. Baker | Engine | steam engines |
| 3,016,016 | Jan. 09, 1962 | H. Horlacher | Reciprocating Pump | reciprocating pumps |
