| Patents for Henry G. Ashton |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 123,546 | Feb. 13, 1872 | H.G. Ashton | Improvement in Lock Safety-Valves for Steam-Boilers |
| | 186,783 | Jan. 30, 1877 | H.G. Ashton | Improvement in Safety-Valve Attachments to Utilize the Escape-Steam |
| | 197,072 | Nov. 13, 1877 | J.E. Maynadier, H.G. Ashton | Improvement in Safety-Valves |
| | 197,073 | Nov. 13, 1877 | H.G. Ashton | Improvement in Safety-Valve Attachments to Utilize the Escape Steam |
| | 200,119 | Feb. 12, 1878 | H.G. Ashton | Improvement in Safety-Valves |
| | 201,862 | Apr. 02, 1878 | H.G. Ashton | Improvement in Exhaust Mechanisms for Locomotives and Other Steam-Engines |
| | RE8,211 | May 07, 1878 | H.G. Ashton | Improvement in Safety-Valve Attachment to Utilize Escape-Steam |
| | GB-187,802,049 | May 22, 1878 | W.R. Lake, H.G. Ashton | Improvements 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 Purposes |
| | 214,981 | May 06, 1879 | H.G. Ashton | Improvement in Safety-Valve Attachments |
| | GB-188,003,849 | Sep. 22, 1880 | H.G. Ashton | Improvements on Safety Valves |
