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| Patents for Allan David Skinner | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-157,832 | Apr. 10, 1922 | A.D. Skinner | Improvements Relating to Engine Speed Governors | steam engine governors | |
| CA-260,735 | May 11, 1926 | A.D. Skinner | Tiroir | steam engine valves | |
| CA-260,736 | May 11, 1926 | A.D. Skinner | Mecanisme des Tiroirs | steam engine valve gear | |