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| All Patents in class 451/154 | |||||
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| Number | Title | Classification(s) | |||
| 395,615 | Machine for grinding mower-knives | 451/128, 451/154 | |||
| 498,240 | Reamer Grinding Machine | 451/123, 451/129, 451/154, 451/403, 82/132 | |||
| 548,051 | Grinder | 451/154, 451/246, 451/374 | |||
| 1,026,389 | Hole Grinding Machine | 451/143, 451/154, 451/64, 82/149 | |||
| 1,999,778 | Grinding Machinery | 451/142, 451/154, 82/132 | |||
| 2,170,494 | Grinding Machine | 451/142, 451/154, 451/395, 91/61 | |||
| 2,268,028 | Honing machine | 29/42, 451/154, 451/164 | |||