| All Patents in class 60/668 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | FX-7,372 | Jan. 17, 1833 | S.H. Long | Steam engine valve |
 | 126,842 | May 14, 1872 | J.H. Smith | Improvement in traction-engines |
 | 136,886 | Mar. 18, 1873 | A.A. Wilder | Improvement in dummy or traction engines |
| | 187,917 | Feb. 27, 1877 | J.S. Scofield | Vertical Portable Engine |
| | 188,866 | Mar. 27, 1877 | N.M. Davison | Portable and Traction Engine |
| | 224,427 | Feb. 10, 1880 | L.W. Hasselman | Portable Engine |
| | 234,824 | Nov. 23, 1880 | A.H. Wagner | Steam Engine for Traction Vehicles |
| | 283,398 | Aug. 21, 1883 | D.M. Kirkpatrick, J.F. Jackson | Gas Engine |
| | 367,784 | Aug. 09, 1887 | J.S. Brown | Attachment for Engines |
| | 443,481 | Dec. 23, 1890 | E. Howland | Portable Steam Engine |
