| Patents for American Steam Gauge & Valve Mfg. Co. |
Patents 1 -
15
of 34
      |
| Number | Date | Patentee | Title | Type |
| 471,383 | Mar. 22, 1892 | F.H. Haskell | Duplex Pressure Gage | vacuum and pressure gauges |
| 494,244 | Mar. 28, 1893 | E. Brown | Pyrometer | temperature gauges |
| 515,175 | Feb. 20, 1894 | F.H. Pierpont, L.T. Snow | Reducing Mechanism for Steam Engine Indicator | reducing wheels |
| 785,677 | Mar. 21, 1905 | C.J. Manning | Recording Gage | industrial recording apparatus |
| 821,988 | May 29, 1906 | C.H. Craig | Gage Testing Apparatus | testing machines |
| 857,984 | Jun. 25, 1907 | L.M. Ellison | Steam Calorimeter | steam calorimeters |
| 877,198 | Jan. 21, 1908 | W.E. Jerauld | Automatic Recording Gage | industrial recording apparatus |
| 900,371 | Oct. 06, 1908 | F.H. Hopkins | Differential Pressure Gage | vacuum and pressure gauges |
| 908,206 | Dec. 29, 1908 | C.H. Craig, Jr. | Differential Pressure Gage | vacuum and pressure gauges |
| 908,867 | Jan. 05, 1909 | W.E. Jerauld | Indicator for Engines | steam engine indicators |
| 917,077 | Apr. 06, 1909 | C.H. Kaplinger | Safety Valve | steam safety valves |
| 920,472 | May 04, 1909 | W.E. Jerauld | Testing Attachment for Spring Loaded Valves | testing machines |
| 957,471 | May 10, 1910 | C.J. Manning | Pressure Gage | vacuum and pressure gauges |
| 1,032,482 | Jul. 16, 1912 | W.E. Jerauld | Safety Valve | steam safety valves |
| 1,043,618 | Nov. 05, 1912 | C.J. Manning | Pressure Gage | vacuum and pressure gauges |
