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| Patents for John Hoyer | |||||
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| Number | Date | Patentee | Title | Type | |
| 477,043 | Jun. 14, 1892 | H.J. McCoy, E.A. Behringer, Z.L. Chadbourne | Device For Securing Hose To Couplings | ||
| 484,298 | Oct. 11, 1892 | H.J. McCoy, E.A. Behringer, Z.L. Chadbourne | Device For Applying Hose Clamps | pliers | |