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| Patents for Benjamin F. Winterhoff | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,162,536 | Nov. 30, 1915 | B.F. Winterhoff | Sheet-metal-tube-planishing machine | |
 | 1,253,553 | Jan. 15, 1918 | B.F. Winterhoff | Apparatus for smoothing and calibrating tapered and curved hollow metal bodies, such as bows for wind instruments | |
 | 1,376,986 | May 03, 1921 | B.F. Winterhoff | Socket for wind instruments | |