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| All Patents in class 416/187 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,038,110 | Sep. 10, 1912 | B.S. Foss | Centrifugal fan-wheel | |
 | 1,138,083 | May 04, 1915 | W.H. Carrier | Rotary fan | |
 | 1,166,659 | Jan. 04, 1916 | W.H. Carrier | Centrifugal fan | |
 | 1,240,949 | Sep. 25, 1917 | A.A. Criqui | Centrifugal fan | |
 | 1,781,165 | Nov. 11, 1930 | A.A. Criqui | Centrifugal fan | |
| 1,996,155 | Apr. 02, 1935 | J.T. Janette | Rotor construction for fans or the like | ||