Patent
   D713337
Priority
Apr 08 2011
Filed
May 23 2013
Issued
Sep 16 2014
Expiry
Sep 16 2028
Assg.orig
Entity
unknown
9
13
n/a
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 view thereof,

FIG. 3 is a rear view thereof,

FIG. 4 is a left side view thereof,

FIG. 5 is a right side view thereof,

FIG. 6 is a top view thereof,

FIG. 7 is a bottom view thereof,

FIG. 8 is a second perspective view thereof,

FIG. 9 is a third perspective view thereof; and,

FIG. 10 is a fourth perspective view thereof.

The broken lines shown in FIGS. 1-10 represent unclaimed subject matter and form no part of the claimed design.

Silvennoinen, Mika, Hakala, Jani

Patent Priority Assignee Title
D721706, Aug 06 2013 Analog Devices, Inc Input output module for an industrial control system
D721707, Aug 06 2013 Analog Devices, Inc Communications control module for an industrial control system
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D776630, Aug 06 2013 Analog Devices, Inc Backplane for an industrial control system (ICS)
D804417, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
D813160, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
D819565, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
D919567, Nov 27 2017 Siemens Aktiengesellschaft; AT-DESIGN GBR Inverter controller for electric motor
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 23 2011HAKALA, JANIABB OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0307540950 pdf
Aug 25 2011SILVENNOINEN, MIKAABB OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0307540950 pdf
May 23 2013ABB Oy(assignment on the face of the patent)
Apr 17 2018ABB OyABB Schweiz AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0478010174 pdf
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