| All Patents of Type: industrial furnaces |
Patents 1 -
15
of 77
      |
| Number | Date | Patentee | Title | Type |
| GB-178,501,485 | Jun. 14, 1785 | J. Watt | Improved furnaces or fireplaces | furnaces |
| 1X | Jul. 31, 1790 | S. Hopkins | Making Pot And Pearl Ashes | manufacturing potash |
| 399X | Sep. 13, 1802 | J. Richardson | Evaporating furnace | industrial furnaces |
| 442X | Apr. 04, 1803 | J. Richardson | Improvement in his evaporating furnace | industrial furnaces |
| 557X | May 12, 1804 | E. Crafts, Jr. | Furnace for making pot and pearl ashes with the manner of using and the materials of which the same is composed | industrial furnaces |
| 1,904X | Mar. 30, 1813 | J. Share | Portable furnace for casting brass, etc. | industrial furnaces |
| 1,934X | May 29, 1813 | S. Anthony | Furnace and boilers for manufacturing salt | salt making apparatus |
| 2,079X | Mar. 16, 1814 | T. Gregg | Air furnace for melting ores, refining and heating iron with stone coal | ore processing apparatus |
| 2,119X | May 04, 1814 | W. Walker, J. Barnhurst, T. Barnhurst | Furnace for melting and refining of metals | industrial furnaces |
| 2,365X | Aug. 16, 1815 | A.H. Miller, J. Stranger (Stauger) | Furnace for making glass | industrial furnaces |
| 3,430X | Dec. 31, 1821 | H. Warral | Cupola furnace | industrial furnaces |
| 3,569X | Aug. 19, 1822 | G.W. Robinson | Mode of making furnaces | industrial furnaces |
| 3,674X | Mar. 13, 1823 | J. Miller | Fire proof furnace for distilleries | industrial furnaces |
| 4,008X | Jan. 14, 1825 | A. Kolb | Pan and furnace for evaporating liquids | industrial furnaces |
| 4,211X | Sep. 29, 1825 | G.V. Raymond | Furnace for heating hatters' irons etc. | industrial furnaces |
