| All Patents in class 91/346 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 203,511 | May 07, 1878 | J.H. Vaile | Improvement in pumping-engines | steam pumping engines |
| 375,200 | Dec. 20, 1887 | W. Ross, G. Ross | Water-engine | |
| 1,582,976 | May 04, 1926 | J.W. Gardner | Valve Mechanism | steam engine governors |
| 2,977,040 | Mar. 28, 1961 | R.M. Gold, D.H. Dulebohn | Pneumatic pressure boosting apparatus | air compressors |
| 3,016,016 | Jan. 09, 1962 | H. Horlacher | Reciprocating Pump | reciprocating pumps |
| 4,220,284 | Sep. 02, 1980 | J.L. Beiswenger, F.A. Smiesko, D.V. Chaphalkar | Oscillating water sprinkler | |
