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| All Patents in class 180/210 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 16,937 | Mar. 31, 1857 | D.B. Spencer | Steam Plow | |
| 263,279 | Aug. 22, 1882 | T.T. Woodruff | Steam Plow | ||
| 281,091 | Jul. 10, 1883 | G.A. Long | Steam Road Vehicle | ||
| 325,768 | Sep. 08, 1885 | H. Rendleman | Traction Engine | ||
| 1,061,453 | May 13, 1913 | O.M. Cox | Traction Engine | ||
| 1,138,996 | May 11, 1915 | G.T. Strite, F.H. Bierman | Traction-engine | ||
| 1,215,372 | Feb. 13, 1917 | A.P. Hawn | Tractor | ||