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| Patents for Charles A. Eck | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 627,488 | Jun. 27, 1899 | C.A. Eck | Frame or yoke for dynamo-electric machines | |
 | 633,641 | Sep. 26, 1899 | C.A. Eck | Dynamo-electric machine | |
 | 740,635 | Oct. 06, 1903 | C.A. Eck | Brush-holder | |
 | 751,484 | Feb. 09, 1904 | C.A. Eck | Fan | |
 | 751,485 | Feb. 09, 1904 | C.A. Eck | Fan | |