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| Patents for Bridgeport Safety Emery Wheel Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,133,475 | Mar. 30, 1915 | E.R. Hyde | Grinding Wheel | |
 | 1,525,994 | Feb. 10, 1925 | E.R. Hyde | Machine Drive | |
 | 1,553,167 | Sep. 08, 1925 | E.R. Hyde | Swing Frame Grinder | |
| 1,582,608 | Apr. 27, 1926 | E.R. Hyde | Sectional Grinding Wheel | ||
 | 2,051,618 | Aug. 18, 1936 | F.C. Penny | Block for Sectional Grinding Wheels | |
 | 2,396,505 | Mar. 12, 1946 | C. Gumper | Grinding | |