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| Patents for Willard H. Ward | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,284,781 | Jun. 02, 1942 | W.H. Ward | Hopper | conveyors and hoppers | |
| 2,327,946 | Aug. 24, 1943 | W.H. Ward | Safety Coupler | conveyors and hoppers | |
| 2,415,570 | Feb. 11, 1947 | W.H. Ward | Weighing Scale | scales and balances | |