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| All Patents in class 415/97 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 5,513 | Apr. 18, 1848 | M. Alden | Improvement in blowers for furnaces | |
 | 11,511 | Aug. 08, 1854 | S.W. Ruggles | Fan-blower | |
 | 86,470 | Feb. 02, 1869 | B.F. Sturtevant | Improvement in rotary blowers | |
 | 100,239 | Feb. 22, 1870 | B.F. Sturtevant | Pressure Blower | |
| 424,696 | Apr. 01, 1890 | M. Williams | Fan Blower | ||
| 1,881,680 | Oct. 11, 1932 | M.M. Klosson | Double Suction Centrifugal Pump | ||
| 2,642,219 | Jun. 16, 1953 | W.R. Heath | Fan housing | ||