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| Patents for Christian F. Heinkel | |||||
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| Number | Date | Patentee | Title | Type | |
| 534,152 | Feb. 12, 1895 | G. Weber, C.F. Heinkel | Beam Compass | trammels | |
| 1,069,614 | Aug. 05, 1913 | W.G. Lueters, C.F. Heinkel | Automatic Combination Tool Holder | drilling and boring tool holders | |
| 1,227,051 | May 22, 1917 | W.G. Lueters, C.F. Heinkel | Surfacing-machine | sanding machines | |