| All Patents in class 91/466 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 5,765 | Sep. 12, 1848 | F.E. Sickels | Method of Controlling Motive Power | power hammers |
| 12,207 | Jan. 09, 1855 | W.C. Hicks | Arrangement of slide-valves and exhaust-passages in steam-engines | steam engine valves |
| 121,364 | Nov. 28, 1871 | A.A. Heath | Improvement in Steam Engines | steam engines |
| 174,004 | Feb. 22, 1876 | D.C. Prescott | Improvement in direct-acting steam-feed-works for circular-saw mills | circular sawmills |
| RE8,160 | Apr. 09, 1878 | D.C. Prescott | Improvement in direct-acting steam-feed-works for circular-saw mills | circular sawmills |
| 245,774 | Aug. 16, 1881 | B. Brazelle | Steam-engine | steam engines |
| 245,775 | Aug. 16, 1881 | B. Brazelle | Steam-engine | steam engines |
| 257,530 | May 09, 1882 | B.F. Sturtevant | Steam Slide Valve | steam engine valves |
| 277,034 | May 08, 1883 | W.E. Hill | Steam-engine | sawmill feed works |
| 335,571 | Feb. 09, 1886 | J. Ferguson | Engine Valve | internal combustion engine valves |
| 360,972 | Apr. 12, 1887 | D.C. Prescott | Steam-feed for saw-mills | band sawmills |
| 491,940 | Feb. 14, 1893 | C.O. Heggem | Balance Slide Valve | traction engine valve gear |
| 658,201 | Sep. 18, 1900 | F.O. Ball, F.H. Ball | Steam Engine | steam engines |
| 708,598 | Sep. 09, 1902 | E.E. Thomas | Steam-feed for sawmill-carriages | sawmill feed works |
| 992,350 | May 16, 1911 | W.F. Gould | Balanced Valve | steam engine valves |
