| All Patents in class 91/466 |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
| | 5,765 | Sep. 12, 1848 | F.E. Sickels | Method of Controlling Motive Power |
 | 12,207 | Jan. 09, 1855 | W.C. Hicks | Arrangement of slide-valves and exhaust-passages in steam-engines |
| | 121,364 | Nov. 28, 1871 | A.A. Heath | Improvement in Steam Engines |
 | 174,004 | Feb. 22, 1876 | D.C. Prescott | Improvement in direct-acting steam-feed-works for circular-saw mills |
 | RE8,160 | Apr. 09, 1878 | D.C. Prescott | Improvement in direct-acting steam-feed-works for circular-saw mills |
 | 245,774 | Aug. 16, 1881 | B. Brazelle | Steam-engine |
 | 245,775 | Aug. 16, 1881 | B. Brazelle | Steam-engine |
 | 257,530 | May 09, 1882 | B.F. Sturtevant | Steam Slide Valve |
 | 277,034 | May 08, 1883 | W.E. Hill | Steam-engine |
| | 335,571 | Feb. 09, 1886 | J. Ferguson | Engine Valve |
