| Patents for John C. Hoadley |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 134,548 | Jan. 07, 1873 | J.C. Hoadley | Check-Valves | steam check valves |
| 143,574 | Oct. 14, 1873 | J.C. Hoadley | Dead-Lights for Steam-Boilers | low water alarms |
| 144,098 | Oct. 28, 1873 | J.C. Hoadley | Governors for Steam-Engines | steam engine governors |
| 148,560 | Mar. 17, 1874 | J.C. Hoadley | Governors for Steam-Engines | steam engine governors |
| 161,122 | Mar. 23, 1875 | J.C. Hoadley | Steam Boiler Furnace | stationary boilers |
| 164,917 | Jun. 29, 1875 | J.C. Hoadley | Governor for Steam Engines | steam engine governors |
