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| Patents for Arthur J. Whitfield | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,064,036 | Jun. 10, 1913 | A.J. Whitfield | Chain Wrench | chain and strap wrenches | |
| 1,187,690 | Jun. 20, 1916 | A.J. Whitfield | Improved Stillson Wrench | pipe wrenches | |
| 1,442,548 | Jan. 16, 1923 | A.J. Whitfield | Improvements in the Construction of Handles for Hand Operated Tools | wrench handle components | |