Patent
   D708133
Priority
Apr 08 2011
Filed
Sep 22 2011
Issued
Jul 01 2014
Expiry
Jul 01 2028
Assg.orig
Entity
unknown
6
11
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 right side view thereof;

FIG. 5 is a left 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; and

FIG. 9 is a third perspective view thereof;

FIG. 10 is a perspective view of a frequency converter of a second embodiment showing our new design;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a second perspective view thereof;

FIG. 18 is a third perspective view thereof; and,

FIG. 19 is a fourth perspective view thereof.

The broken line showing of the frequency converter represents unclaimed subject matter and forms no part of the claimed design.

Silvennoinen, Mika, Hakala, Jani

Patent Priority Assignee Title
D772805, Jun 10 2014 OBRIST TECHNOLOGIES GMBH Housing for a battery
D789887, Dec 24 2015 TBB POWER (XIAMEN) CO., LTD. Inverter and charger integrated power supply
D842807, Nov 04 2016 DIAMOND&ZEBRA ELECTRIC CO , LTD Power converter
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D913941, Sep 30 2015 Transportation IP Holdings, LLC Engine control unit
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 0270610476 pdf
Aug 25 2011SILVENNOINEN, MIKAABB OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0270610476 pdf
Sep 22 2011ABB 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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