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| Patents for Philetus W. Gates | |||||
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| Picture | Number | Date | Patentee | Title | |
| 5,103 | May 08, 1847 | P.W. Gates | Screw Cutting Die | ||
 | 27,863 | Apr. 10, 1860 | P.W. Gates | Cane Mill | |
| 196,082 | Oct. 16, 1877 | P.W. Gates | Ore Crusher | ||
| 315,271 | Apr. 07, 1885 | P.W. Gates | Combines Boring Bar and Centering Mandrel | ||
 | 691,135 | Jan. 14, 1902 | E.E. Hanna | Ore-crusher | |
 | 705,749 | Jul. 29, 1902 | A.J. Gates | Cornish roll | |