All Patents of Type: steel maker |
Patents 1 -
15
of 40
|
Number | Date | Patentee | Title | Type |
173X | Jun. 26, 1797 | B. Seymour | Rolling Iron | steel maker |
238X | Feb. 26, 1799 | W. Hancock | Casting iron | steel maker |
374X | May 12, 1802 | L. Du Pre | Scientific steelyards | steel maker |
688X | May 19, 1806 | J. Edwards | Steelyards | steel maker |
752X | Apr. 23, 1807 | B. Langdon | Steelyard | steel maker |
802X | Nov. 12, 1807 | J. Butland | Mode of Manufacturing Iron | steel maker |
813X | Dec. 24, 1807 | J.H. Pierson | Hoop and sheet iron | steel maker |
1,633X | Jan. 06, 1812 | E. Leonard | Converting pig iron into steel | steel maker |
2,041X | Jan. 06, 1814 | Z. Phinney | Steelyards and scales | steel maker |
2,412X | Dec. 27, 1815 | S. Hills | Steelyards | steel maker |
2,902X | Jan. 28, 1818 | E. Jenks | Partially converting iron into steel | steel maker |
3,080X | Feb. 27, 1819 | J. Bartholomew | Improvement in the steelyard | steel maker |
3,430X | Dec. 31, 1821 | H. Warral | Cupola furnace | industrial furnaces |
3,603X | Oct. 30, 1822 | H.G. Spafford | Art of making cast and wrought steel | steel maker |
3,604X | Oct. 30, 1822 | H.G. Spafford | Making iron and steel | steel maker |