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| Patents for Alwin Borchers | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,887,672 | Nov. 15, 1932 | A. Borchers | Short circuiter for electric motors | |
 | 1,942,996 | Jan. 09, 1934 | A. Borchers | Short circuiter for repulsion induction motors | |
 | 1,942,997 | Jan. 09, 1934 | A. Borchers | Short circuiter for electric motors | |
 | 1,948,365 | Feb. 20, 1934 | G. Pelser, A. Borchers | Electric motor | |