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| Patents for F. H. Knight | |||||
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| Number | Date | Patentee | Title | Type | |
| 260,497 | Jul. 04, 1882 | W.L. Parmelee | Improvements in Expansion-Bits | adjustable drill bits | |
| 268,808 | Dec. 12, 1882 | F.F. Landis | Traction Engine | steam traction engines | |
| 286,313 | Oct. 09, 1883 | F.F. Landis | Traction Engine | steam traction engines | |
| 294,793 | Mar. 11, 1884 | F.F. Landis | Traction Engine Bearing | traction engine bearings | |
| 294,794 | Mar. 11, 1884 | F.F. Landis | Traction Engine | traction engine suspensions | |