IP Library › Granted Patent US 741,259
Granted Patent S1
US 741,259 · App. 29/509,618 · Granted Oct 20, 2015

Frequency converter

Inventors: Mohammad Siddiqui (Bristol, GB); Guy Lamb (Saltford, GB); David Greensmith (Stonehouse, GB); Bob Combes (Berkley, GB)
Assignee: ABB Technology Oy
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Quick Facts
Patent No.
US 741,259
App. No.
29/509,618
Granted
Oct 20, 2015
Kind
S1
Claims (1)

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

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 28, 2018
From: ABB TECHNOLOGY OY
To: ABB SCHWEIZ AG
Reel/Frame 046957/0780 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 2, 2015
From: SIDDIQUI, MOHAMMAD; LAMB, GUY; GREENSMITH, DAVID; COMBES, BOB
To: ABB OY
Reel/Frame 036480/0583 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 2, 2015
From: ABB OY
To: ABB TECHNOLOGY OY
Reel/Frame 036480/0749 →