Frequency converter
- ABB Oy
Latest ABB Oy Patents:
Description
The broken lines shown in
Claims
The ornamental design for a frequency converter, as shown and described.
Referenced Cited
U.S. Patent Documents
D365086 | December 12, 1995 | Spechts |
D428393 | July 18, 2000 | Nelson et al. |
D435828 | January 2, 2001 | Chou |
6169661 | January 2, 2001 | Lee |
6459589 | October 1, 2002 | Manweiler et al. |
D488776 | April 20, 2004 | Su et al. |
6842348 | January 11, 2005 | Lee |
D562234 | February 19, 2008 | Morihara et al. |
D586744 | February 17, 2009 | Jaskari |
D598847 | August 25, 2009 | Ota |
D647846 | November 1, 2011 | Engblom et al. |
D675565 | February 5, 2013 | Choi |
20080174948 | July 24, 2008 | Davis |
Patent History
Patent number: D713337
Type: Grant
Filed: May 23, 2013
Date of Patent: Sep 16, 2014
Assignee: ABB Oy (Helsinki)
Inventors: Jani Hakala (Espoo), Mika Silvennoinen (Espoo)
Primary Examiner: Derrick Holland
Assistant Examiner: Lauren Calve
Application Number: 29/455,700
Type: Grant
Filed: May 23, 2013
Date of Patent: Sep 16, 2014
Assignee: ABB Oy (Helsinki)
Inventors: Jani Hakala (Espoo), Mika Silvennoinen (Espoo)
Primary Examiner: Derrick Holland
Assistant Examiner: Lauren Calve
Application Number: 29/455,700
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)