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| All Patents in class 198/547 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 492,751 | Feb. 28, 1893 | E.W. Ross | Carrier attachment | ||
| 1,475,950 | Dec. 04, 1923 | C. Johnson | Board-feeding device for resaws | ||
| 2,179,747 | Nov. 14, 1939 | P.C. Malmsten | Means for conveying aggregates in portable rock crusher machines | ||
| 2,210,093 | Aug. 06, 1940 | S.J. Morrissey | Material handling device | ||