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| Patents for Orrin L. Jenks | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 120,749 | Nov. 07, 1871 | W.S. Jenks | Improvement in head-blocks for saw-mills | |
| CA-2,062 | Feb. 12, 1873 | W.S. Jenks | A head-block for saw mill | ||
 | 157,168 | Nov. 24, 1874 | J.A. Fordon | Improvement in saw-mill dogs | |
| 179,318 | Jun. 27, 1876 | O.L. Jenks | Improvement in circular-saw mills | ||
 | 193,004 | Jul. 10, 1877 | O.L. Jenks | Improvement in circular-saw mills | |
 | 318,597 | May 26, 1885 | H. Burton | Cut-off valve | |