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| Patents for Arthur Herbert Wallis | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-188,103,984 | Sep. 15, 1881 | A.H. Wallis | Pitch-chains with pinned links for driving, dredging, &c. | chains and chain links | |
| 254,739 | Mar. 07, 1882 | A.H. Wallis | Pitch-chain | chains and chain links | |
| 466,026 | Dec. 29, 1891 | A.H. Wallis | Starting-valve for compound-engines | steam engine valve gear | |