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All Patents of Type: steam pumping engines
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-5,817Mar. 20, 1876W.H. LawImprovements in steam pumpingsteam pumping engines
293,585Feb. 12, 1884F.D. MaltbyOscillating Steam Pumping Enginesteam pumping engines
322,784Jul. 21, 1885J.C. BornSteam pumping-enginesteam pumping engines
407,580Jul. 23, 1889H. DaveyPumping Enginesteam pumping engines
GB-189,322,207Oct. 20, 1894F. Pearn, S. Pearn, T. AddymanImprovements in or applicable to steam or other pumpssteam pumping engines
GB-190,511,871Mar. 29, 1906F. Pearn, S. PearnImprovements in connection with direct acting steam pumpssteam pumping engines
GB-340,134Dec. 24, 1930E. WilliamsImprovements relating to pumpssteam pumping engines
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