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Patents for Asa Worthington
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,677Jul. 24, 1844H.R. WorthingtonManner of constructing and governing auxiliary steam-engines for the purpose of supplying steam-boilers with waterstationary boilers
RE66Sep. 07, 1844H.R. WorthingtonImprovement in the manner of constructing and governing an auxiliary steam-engine for the purpose of supplying a steam-boiler with waterstationary boilers
4,972Feb. 20, 1847W.H. Baker, H.R. WorthingtonApparatus for gaging the height of water in boilerssteam apparatus
13,370Jul. 31, 1855H.R. WorthingtonDirect-acting hydraulic steam-pumpsteam pumps
15,030Jun. 03, 1856H.R. WorthingtonMethod of attaching stems to conical valveswater valves
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