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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
8791730
Issue Dt:
07/29/2014
Application #:
13876320
Filing Dt:
03/27/2013
Publication #:
20130181755
Pub Dt:
07/18/2013
Inventors:
Youyi Li, Ying Yang, Bin Su, Torbjorn Einarsson, Zoran Gajic
Title:
SYNCHRONIZATION METHOD FOR CURRENT DIFFERENTIAL PROTECTION
Assignment: 1
Reel/Frame:
030096/0912Recorded: 03/27/2013Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LI, YOUYI
Exec Dt:
03/01/2013
SU, BIN
Exec Dt:
03/01/2013
YANG, YING
Exec Dt:
02/26/2013
EINARSSON, TORBJORN
Exec Dt:
02/25/2013
GAJIC, ZORAN
Exec Dt:
02/25/2013
Assignee:
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44
ZURICH, SWITZERLAND CH-8050
Correspondent:
DRIGGS, HOGG, DAUGHERTY & DEL ZOPPO CO.,
38500 CHARDON ROAD
DEPT. ABB CHINA
WILLOUGHBY HILLS, OH 44094
Assignment: 2
Reel/Frame:
051419/0309Recorded: 12/26/2019Pages: 28
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
ABB RESEARCH LTD.
Exec Dt:
04/16/2019
Assignee:
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6
BADEN, SWITZERLAND 5400
Correspondent:
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD
11TH FLOOR
ARLINGTON, VA 22203
Assignment: 3
Reel/Frame:
052916/0001Recorded: 03/06/2020Pages: 196
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
ABB SCHWEIZ AG
Exec Dt:
10/25/2019
Assignee:
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72
BADEN, SWITZERLAND 5400
Correspondent:
SAGE PATENT GROUP
P.O. BOX 30789
RALEIGH, NC 27622-0789
Assignment: 4
Reel/Frame:
058666/0540Recorded: 12/31/2021Pages: 38
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ABB POWER GRIDS SWITZERLAND AG
Exec Dt:
10/06/2021
Assignee:
HITACHI ENERGY SWITZERLAND AG
BRUGGERSTRASSE 72
BADEN, SWITZERLAND 5400
Correspondent:
SAGE PATENT GROUP
PO BOX 30789
RALEIGH, NC 27622-0789
Assignment: 5
Reel/Frame:
065549/0576Recorded: 11/13/2023Pages: 37
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
HITACHI ENERGY SWITZERLAND AG
Exec Dt:
10/02/2023
Assignee:
HITACHI ENERGY LTD
BROWN-BOVERI-STRASSE 5
ZÜRICH, SWITZERLAND 8050
Correspondent:
SAGE PATENT GROUP
P.O. BOX 30789
RALEIGH, NC 27622-0789

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