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| Patents for Ervin S. Mummert | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 890,848 | Jun. 16, 1908 | E.S. Mummert, J.O. Dixon | Screw Threading Machine | |
 | 987,589 | Mar. 21, 1911 | E.S. Mummert | Grinding Machine for Sharpening Edged Tools | |
 | 1,191,813 | Jul. 18, 1916 | J.O. Dixon, E.S. Mummert | Facing-tool | |
 | 1,643,347 | Sep. 27, 1927 | E.S. Mummert | Wire loom | |
 | 1,801,103 | Apr. 14, 1931 | E.S. Mummert | Sump-drain pump | |
 | 2,132,640 | Oct. 11, 1938 | E.S. Mummert | Grinding machine | |