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| Patents for Erastus Fairbanks | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,573X | Jun. 13, 1831 | E. Fairbanks, T. Fairbanks | Weighing heavy bodies | ||
| 6,941X | Feb. 21, 1832 | E. Fairbanks, T. Fairbanks | Weighing heavy bodies | ||
| 7,225X | Sep. 22, 1832 | E. Fairbanks, T. Fairbanks | Balance steelyard | steel maker | |
| 8,046X | Mar. 06, 1834 | T. Fairbanks, E. Fairbanks | weighing heavy bodies (patented June 13, 1831) | ||
| 8,047X | Mar. 06, 1834 | T. Fairbanks, E. Fairbanks | Weighing heavy bodies (patented Feb. 21, 1832) | ||