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| Patents for Ingersoll Rock Drill Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 11,787 | Oct. 10, 1854 | S. Ingersoll | Pawl Drill | hand drills | |
| 112,254 | Feb. 28, 1871 | S. Ingersoll | Improvement in rock-drills | mining apparatus | |
| 120,279 | Oct. 24, 1871 | S. Ingersoll | Improvement in rock-drills | mining apparatus | |
| 147,402 | Feb. 10, 1874 | S. Ingersoll | Improvement in rock-drills | mining apparatus | |
| RE6,292 | Feb. 16, 1875 | S. Ingersoll | Improvement in machines for drilling rock | mining apparatus | |