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| Patents for William Henry Essery | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-7,215 | Mar. 14, 1877 | W.H. Essery | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms | |
| CA-14,406 | Mar. 13, 1882 | W.H. Essery, S. Webster | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms | |
| CA-15,738 | Nov. 06, 1882 | W.H. Essery | Improvements on wood working machinery | wood planers | |