Propeller fan
United States Patent 2785009
US Patent References:
/1023272.html
- - 1023272

/1072189.html
- - 1072189

Propeller
- - 1424672

Fan
- - 2035479

Fan
- - 2110621


Inventors:
Stocking, George E.
Publication Date:
03/12/1957
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Assignee:
GEN ELECTRIC
Primary Class:
239/214.210
Other Classes:
62/280, 239/220, 239/289, 416/146R
International Classes:
F04D29/38
US Patent References:
2219826Heat exchange apparatus
2613514Condensate disposal means