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| All Patents in class 415/229 | |||||
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| Number | Date | Patentee | Title | Type | |
| 86,469 | Feb. 02, 1869 | B.F. Sturtevant | Improvement in blowers | blowers | |
| 185,462 | Dec. 19, 1876 | B.F. Sturtevant | Fan Blowers | blowers | |
| 427,552 | May 13, 1890 | N.F. Burnham | Turbine Water-Wheel | turbine water wheels | |
| 6,315,530 | Nov. 13, 2001 | K.E. Wasch, D.J. Goodnick | Submerged Pump Having a Shaft Isolator | rotary pumps | |