IP Library › Granted Patent US 654,022
Granted Patent S1
US 654,022 · App. 29/376,152 · Granted Feb 14, 2012

Frequency converter

Assignee: Vacon Oyj
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Quick Facts
Patent No.
US 654,022
App. No.
29/376,152
Granted
Feb 14, 2012
Kind
S1
Claims (1)

The ornamental design for a frequency converter, as shown and described.

Assignments (3)
CHANGE OF NAME Recorded Jul 13, 2024
From: VACON OY
To: DANFOSS DRIVES OY
Reel/Frame 068321/0125 →
CHANGE OF NAME Recorded Jul 26, 2016
From: VACON OYJ
To: VACON OY
Reel/Frame 039466/0181 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2010
From: VUOLA, ANTTI; SUN, LIHUA; CARLSSON, HANS; KANNISTO, MIKKO
To: VACON OYJ
Reel/Frame 025496/0244 →
Priority Claims (1)
EM 001753856 · Sep 13, 2010 · regional