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Publication numberUSD654022 S1
Publication typeGrant
Application numberUS 29/376,152
Publication dateFeb 14, 2012
Filing dateOct 1, 2010
Priority dateSep 13, 2010
Publication number29376152, 376152, US D654022 S1, US D654022S1, US-S1-D654022, USD654022 S1, USD654022S1
InventorsLihua Sun, Mikko Kannisto, Hans Carlsson, Antti Vuola
Original AssigneeVacon Oyj
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Frequency converter
US D654022 S1
Abstract  available in
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  1. The ornamental design for a frequency converter, as shown and described.

FIG. 1 is a perspective view of a frequency converter showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof, also being a mirror image of FIG. 4;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD741259 *Nov 19, 2014Oct 20, 2015Abb Technology OyFrequency converter
USD788702 *May 6, 2016Jun 6, 2017Hyundai Heavy Industries Co., Ltd.Inverter
U.S. ClassificationD13/110