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Patents for Henry G. Ashton
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
123,546Feb. 13, 1872H.G. AshtonImprovement in Lock Safety-Valves for Steam-Boilerssteam safety valves
186,783Jan. 30, 1877H.G. AshtonImprovement in Safety-Valve Attachments to Utilize the Escape-Steamsteam safety valves
197,072Nov. 13, 1877J.E. Maynadier, H.G. AshtonImprovement in Safety-Valvessteam safety valves
197,073Nov. 13, 1877H.G. AshtonImprovement in Safety-Valve Attachments to Utilize the Escape Steamsteam safety valves
200,119Feb. 12, 1878H.G. AshtonImprovement in Safety-Valvessteam safety valves
201,862Apr. 02, 1878H.G. AshtonImprovement in Exhaust Mechanisms for Locomotives and Other Steam-Enginessteam safety valves
RE8,211May 07, 1878H.G. AshtonImprovement in Safety-Valve Attachment to Utilize Escape-Steamsteam safety valves
GB-187,802,049May 22, 1878W.R. Lake, H.G. AshtonImprovements in Apparatus to be Used on Connection with Locomotive and Other Boilers for Relieving the Same from Pressure Heating, the Feed Water Regulating the Discharge of the Waste Steam, and for Other Like Purposesfeedwater apparatus
214,981May 06, 1879H.G. AshtonImprovement in Safety-Valve Attachmentssteam safety valves
GB-188,003,849Sep. 22, 1880H.G. AshtonImprovements on Safety Valvessteam safety valves
291,126Jan. 01, 1884H.G. AshtonSafety-Valvesteam safety valves
299,503Jun. 03, 1884H.G. AshtonSafety Valvessteam safety valves
301,079Jul. 01, 1884H.G. AshtonSafety-Valvesteam safety valves
303,252Aug. 12, 1884H.G. AshtonSafety Valvessteam safety valves
306,208Oct. 07, 1884R. Gould, H.G. AshtonSafety Valvessteam safety valves
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