Axial fan with double impellers rotating in mutually...

Details Axial fan with double impellers rotating in mutually... Axial fan with double impellers rotating in mutually...

2006-03-07

2006-03-07

Lichtenstein, Lisa (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0516693

CLAIM:
The ornamental design for an axial fan with double impellers rotating in mutually opposite directions, as shown and described.

REFERENCES:
patent: D297761 (1988-09-01), Shiraki
patent: 5839205 (1998-11-01), Hung
patent: 6157104 (2000-12-01), Yokozawa et al.
patent: 6244818 (2001-06-01), Chang
patent: 6827549 (2004-12-01), Horng et al.
patent: 05-005499 (1993-01-01), None
patent: 11-037093 (1999-02-01), None

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