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| All Patents in class 474/123 | |||||
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| Number | Date | Patentee | Title | Type | |
| 278,064 | May 22, 1883 | J. Walrath | Saw-mill | circular sawmills | |
| 448,583 | Mar. 17, 1891 | P. Medart | Belt-tightening mechanism | industrial machine pulleys and belt drive mechanisms | |
| 452,730 | May 19, 1891 | A.C. Pessano | Band-pulley | ||
| 2,463,287 | Mar. 01, 1949 | E.C. Krueger | Grinding or polishing machine | belt sanders | |