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| All Patents in class 366/140 | |||||
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| Number | Date | Patentee | Title | Type | |
| 169,498 | Nov. 02, 1875 | F. Thomas | Coffee Roaster | coffee roasters | |
| 237,895 | Feb. 15, 1881 | H. Owens | Coffee Roaster | coffee roasters | |
| 268,724 | Dec. 05, 1882 | S. Potter | Coffee Roaster | coffee roasters | |
| 279,329 | Jun. 12, 1883 | J. Burns | Coffee Roaster | coffee roasters | |
| 590,567 | Sep. 28, 1897 | W.T. Johnston, E. Crawley, Jr. | Coffee Roasting Machine | coffee roasters | |
| 615,252 | Dec. 06, 1898 | W.T. Johnston, E. Crawley, Jr. | Coffee Roasting Machine | coffee roasters | |