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| Patents for Patrick H. Gunckel | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 192,332 | Jun. 26, 1877 | J.E. Schonacker, H.C. Herchelrode | Improvement in horse hay-rakes | |
 | 216,522 | Jun. 17, 1879 | F.W. Lange | Wood-bending machine | |
 | 236,119 | Dec. 28, 1880 | H. Van Houser | Pencil-sharpening machine | |
 | 320,506 | Jun. 23, 1885 | C. Schofield | Plumb Level | |
 | 320,866 | Jun. 23, 1885 | J.N. Todd, C. Friess | Bevel | |