Patent
   D638793
Priority
Mar 08 2010
Filed
Mar 08 2010
Issued
May 31 2011
Expiry
May 31 2025
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for a frequency converter, as shown and described.

FIG. 1 is a top perspective view of a frequency converter showing my 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;

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.

Perin, Andrea

Patent Priority Assignee Title
D653129, Aug 05 2010 ESPA 2025, S L Electronics box for engines
D693766, Dec 27 2012 Mitsubishi Electric Corporation Auxiliary power-supply for vehicle
D785562, Mar 16 2015 Black & Decker Inc.; Black & Decker Inc Battery pack
D859323, Oct 19 2017 Comeup Industries Inc. Circuit controller
D913916, Jun 14 2018 TEXTRON, INC Battery charger housing
D922320, Oct 31 2019 WITTENSTEIN SE Converter with motor
D931808, Oct 31 2019 WITTENSTEIN SE Converter
Patent Priority Assignee Title
6650559, Oct 31 2000 FUJI ELECTRIC CO , LTD Power converting device
D296895, Aug 26 1985 Masprodenkoh Kabushikikaisha Frequency converter for an antenna
D358753, Jul 21 1994 Hitachi, Ltd. Frequency inverter
D365082, Sep 15 1993 Progressive Dynamics, Inc. Electrical power converter
D409139, Oct 15 1998 Progressive Dynamics, Inc. Converter/charger
D541743, Mar 29 2005 ABB Schweiz AG Cabinet for a frequency converter
D541745, Aug 12 2005 ABB Schweiz AG Cabinet for a frequency converter
D548183, Jul 05 2006 ABB Schweiz AG Cabinet for a frequency converter
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Mar 08 2010Vacon Oyj(assignment on the face of the patent)
Mar 08 2010PERIN, ANDREAVacon OyjASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0240930692 pdf
Oct 30 2015Vacon OyjVACON OYCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0394660181 pdf
Sep 11 2023VACON OYDANFOSS DRIVES OYCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0683210125 pdf
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