| All Patents in class 92 |
Patents 16 -
30
of 259
      |
| Number | Date | Patentee | Title | Type |
| 38,187 | Apr. 14, 1863 | J. Tangye | Improvement in hydraulic lifting-jacks | hydraulic jacks |
| 42,336 | Apr. 19, 1864 | E.D. Ashe | Propeller Engine | rotary steam engines |
| 43,362 | Jun. 28, 1864 | W. Wright | Oscillating Steam Engine | oscillating steam engines |
| 66,972 | Jul. 23, 1867 | J.L. Lay | Compound Steam Engine | steam engines |
| 67,659 | Aug. 13, 1867 | N.A. Otto, E. Langen | Gas Engine | gas and gasoline engines |
| 76,268 | Mar. 31, 1868 | W. Swayne | Piston | hot air engines |
| 78,911 | Jun. 16, 1868 | J.U. Adams | Piston Packing | steam engine packing |
| 82,437 | Sep. 22, 1868 | F.S. Pease | Compound Steam Engine | steam engines |
| 97,231 | Nov. 23, 1869 | J.B. Root | Steam Engine | steam engines |
| 102,704 | May 03, 1870 | G.H. Peek | Smith's Bellows | blacksmith |
| 103,212 | May 17, 1870 | H.E. Long | Rotary Steam Engine | steam engines |
| 109,372 | Nov. 22, 1870 | B. Fitts, P. Ball | Improvement in liquid-meters | |
| 113,144 | Mar. 28, 1871 | N.T. Coffin | Improvement in pumps | |
| 114,427 | May 02, 1871 | P. Estes | Improvement in Piston-Packings | piston ring and packing |
| 118,463 | Aug. 29, 1871 | C. Levey | Improvement in steam-engines | steam engines |
