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| Patents for Henry J. Behrens | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,597 | Sep. 25, 1855 | H.J. Behrens | Improvement in Wrenches for Turning Screw-Nuts | quick adjust wrenches | |
| 24,175 | May 24, 1859 | H.J. Behrens | Improved Gripping Wrench | pipe wrenches | |
| 53,915 | Apr. 10, 1866 | H.J. Behrens | Rotary Steam Engine | rotary steam engines | |
| 77,373 | Apr. 28, 1868 | D.D. Hardy | Rotary Engine | rotary steam engines | |