skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : ZHENG, YONGCHANG
Total Assignments: 16
Assignment: 1
Reel/Frame:009108/0946   Pages: 3
Recorded: 03/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, JUCHUI RAY
Exec Dt:
03/20/1998
2
MIR, LEON
Exec Dt:
03/20/1998
3
ZHENG, YONGCHANG
Exec Dt:
03/20/1998
Assignee
1
IONICS, INCORPORATED
65 GROVE STREET
WATERTOWN, MASSACHUSETTS 02172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6221248
NONE
09046292
Correspondence name and address
LAPPIN & KUSMER LLP
MARK G. LAPPIN, ESQ.
TWO HUNDRED STATE STREET
BOSTON, MA 02109
Assignment: 2
Reel/Frame:011615/0012   Pages: 3
Recorded: 02/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, JUCHUI RAY
Exec Dt:
03/20/1998
2
MIR, LEON
Exec Dt:
03/20/1998
3
ZHENG, YONGCHANG
Exec Dt:
03/20/1998
Assignee
1
IONICS, INCORPORATED
65 GROVE STREET
WATERTOWN, MASSACHUSETTS 02172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6344584
US20010009967
09785846
Correspondence name and address
LAPPIN & KUSMER LLP
MARK G. LAPPIN, ESQ.
TWO HUNDRED STATE STREET
BOSTON, MA 02109
Assignment: 3
Reel/Frame:017462/0825   Pages: 6
Recorded: 04/10/2006
Attorney Dkt #:1330.034US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, YONGCHANG
Exec Dt:
03/24/2006
2
MACDONALD, RUSSELL J.
Exec Dt:
03/24/2006
3
JU, ALEX
Exec Dt:
03/24/2006
4
SIMS, KEITH J.
Exec Dt:
03/24/2006
Assignee
1
GE IONICS, INC.
65 GROVE STREET
WATERTOWN, MASSACHUSETTS 02472
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060173084
11293873
Correspondence name and address
PETER C. MAKI
SCHWEGMAN, LUNDBERG, WOESSNER ET AL
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 4
Reel/Frame:017462/0849   Pages: 6
Recorded: 04/10/2006
Attorney Dkt #:1330.033US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, LI
Exec Dt:
03/24/2006
2
ZHENG, YONGCHANG
Exec Dt:
03/24/2006
3
MACDONALD, RUSSELL J.
Exec Dt:
03/24/2006
4
JU, ALEX
Exec Dt:
03/24/2006
Assignee
1
GE IONICS, INC.
65 GROVE STREET
WATERTOWN, MASSACHUSETTS 02472
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060169586
11292796
Correspondence name and address
PETER C. MAKI
SCHWEGMAN, LUNDBERG, WOESSNER ET AL.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 5
Reel/Frame:025740/0866   Pages: 5
Recorded: 02/03/2011
Attorney Dkt #:020354 189P2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, YONGCHANG
Exec Dt:
01/03/2011
2
BARBER, JOHN
Exec Dt:
01/04/2011
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8470896
US20120165419
12977923
Correspondence name and address
WEGMAN, HESSLER & VANDERBURG
6055 ROCKSIDE WOODS BOULEVARD
SUITE 200
CLEVELAND, OH 44131
Assignment: 6
Reel/Frame:036805/0550   Pages: 11
Recorded: 10/15/2015
Attorney Dkt #:262779_1_WO_&_6_US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KAI
Exec Dt:
04/18/2013
2
BARBER, JOHN H.
Exec Dt:
04/22/2013
3
MACDONALD, RUSSELL JAMES
Exec Dt:
04/18/2013
4
ZHENG, YONGCHANG
Exec Dt:
04/18/2013
5
GOH, LI MAY
Exec Dt:
04/18/2013
6
GAO, YAN
Exec Dt:
04/25/2013
7
ZHAO, YONGHONG
Exec Dt:
04/18/2013
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9700850
US20160067654
14783873
 
9700850
US20160067654
14783873
Correspondence name and address
GENERAL ELECTRIC COMPANY GE GLOBAL PATEN
3135 EASTON TURNPIKE
FAIRFIELD, CT 06828
Assignment: 7
Reel/Frame:042601/0186   Pages: 11
Recorded: 06/05/2017
Attorney Dkt #:PAT 92387AW-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KAI
Exec Dt:
04/18/2013
2
BARBER, JOHN H.
Exec Dt:
04/22/2013
3
MACDONALD, RUSSELL JAMES
Exec Dt:
04/18/2013
4
ZHENG, YONGCHANG
Exec Dt:
04/18/2013
5
GOH, LI MAY
Exec Dt:
04/18/2013
6
GAO, YAN
Exec Dt:
04/25/2013
7
ZHAO, YONGHONG
Exec Dt:
04/18/2013
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10221289
US20170266627
15613949
Correspondence name and address
BLG (GE) BORDEN LADNER GERVAIS LLP
1300-100 QUEEN STREET
OTTAWA, K1P 1J9 CANADA
Assignment: 8
Reel/Frame:044341/0271   Pages: 5
Recorded: 12/08/2017
Attorney Dkt #:PAT 92515W-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARBER, JOHN H.
Exec Dt:
06/19/2015
2
ZHENG, YONGCHANG
Exec Dt:
06/18/2015
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10946341
US20180154312
15580989
Correspondence name and address
BLG (BL) BORDEN LADNER GERVAIS LLP
1300-100 QUEEN STREET
OTTAWA, K1P 1J9 CANADA
Assignment: 9
Reel/Frame:043531/0404   Pages: 9
Recorded: 09/08/2017
Attorney Dkt #:270901-1 & -6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARBER, JOHN H.
Exec Dt:
02/08/2016
2
MACDONALD, RUSSELL JAMES
Exec Dt:
02/09/2016
3
ZHENG, YONGCHANG
Exec Dt:
04/25/2016
4
ZHANG, KAI
Exec Dt:
02/22/2016
5
ZHAO, YONGHONG
Exec Dt:
02/10/2016
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10486151
US20180043345
15556735
 
10486151
US20180043345
15556735
Correspondence name and address
GENERAL ELECTRIC COMPANY GE GLOBAL PATEN
901 MAIN AVENUE
3RD FLOOR
NORWALK, CT 06851
Assignment: 10
Reel/Frame:060580/0347   Pages: 14
Recorded: 07/21/2022
Attorney Dkt #:313071-US-6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIA, ZIJUN
Exec Dt:
02/06/2017
2
ZHANG, CHENGQIAN
Exec Dt:
02/06/2017
3
RONG, WUJUN
Exec Dt:
02/06/2017
4
ZHENG, YONGCHANG
Exec Dt:
02/14/2017
5
BATCHELDER, BRUCE
Exec Dt:
02/02/2017
6
BARBER, JOHN H.
Exec Dt:
02/15/2017
7
CAO, LEI
Exec Dt:
02/06/2017
8
WANG, HUA
Exec Dt:
02/08/2017
9
STACHERA, DAVID MICHAEL
Exec Dt:
02/01/2017
10
YAN, BO
Exec Dt:
02/06/2017
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200070093
16607537
Correspondence name and address
BAKER HUGHES HOLDINGS
2001 RANKIN ROAD
ATTN: MICHELLE MARSH
HOUSTON, TX 77073
Assignment: 11
Reel/Frame:042746/0394   Pages: 12
Recorded: 06/19/2017
Attorney Dkt #:267258-1 & -10
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KAI
Exec Dt:
06/07/2017
2
BARBER, JOHN H.
Exec Dt:
05/31/2017
3
MACDONALD, RUSSELL JAMES
Exec Dt:
05/31/2017
4
ZHENG, YONGCHANG
Exec Dt:
05/31/2017
5
GOH, LI MAY
Exec Dt:
06/15/2017
6
GAO, YAN
Exec Dt:
06/05/2017
7
ZHAO, YONGHONG
Exec Dt:
05/29/2017
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10273338
US20170355827
15537560
 
10273338
US20170355827
15537560
Correspondence name and address
GENERAL ELECTRIC COMPANY GE GLOBAL PATEN
901 MAIN AVENUE
3RD FLOOR
NORWALK, CT 06851
Assignment: 12
Reel/Frame:058338/0393   Pages: 8
Recorded: 12/08/2021
Attorney Dkt #:PAT 92631W-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARBER, JOHN H.
Exec Dt:
09/21/2017
2
GUTOWSKI, WOJCIECH
Exec Dt:
08/29/2017
3
ZHENG, YONGCHANG
Exec Dt:
09/06/2017
4
MACDONALD, RUSSELL JAMES
Exec Dt:
09/05/2017
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11484839
US20200070095
16609406
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN ST, SUITE 1300
OTTAWA, K1P 1J9 CANADA
Assignment: 13
Reel/Frame:062165/0076   Pages: 8
Recorded: 12/20/2022
Attorney Dkt #:PAT 92631AW-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARBER, JOHN H.
Exec Dt:
09/21/2017
2
GUTOWSKI, WOJCIECH
Exec Dt:
08/29/2017
3
ZHENG, YONGCHANG
Exec Dt:
09/06/2017
4
MACDONALD, RUSSELL JAMES
Exec Dt:
09/05/2017
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11904278
US20230017973
17955445
Correspondence name and address
BORDEN LADNER GERVAIS LLP
1300-100 QUEEN STREET
OTTAWA, K1P 1J9 CANADA
Assignment: 14
Reel/Frame:066077/0377   Pages: 8
Recorded: 01/10/2024
Attorney Dkt #:P71066US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARBER, JOHN H.
Exec Dt:
09/21/2017
2
GUTOWSKI, WOJCIECH
Exec Dt:
08/29/2017
3
ZHENG, YONGCHANG
Exec Dt:
09/06/2017
4
MACDONALD, RUSSELL JAMES
Exec Dt:
09/05/2017
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240139684
18408133
Correspondence name and address
JANET SANFORD
SCOTIA PLAZA
40 KING STREET WEST, 40TH FLOOR
TORONTO, M5H 3Y2 CANADA
Assignment: 15
Reel/Frame:050065/0534   Pages: 12
Recorded: 08/15/2019
Attorney Dkt #:PAT 91709W-90
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, WEI
Exec Dt:
02/16/2017
2
DONG, HONGCHEN
Exec Dt:
02/15/2017
3
XIA, JIYANG
Exec Dt:
12/01/2017
4
ZHENG, YONGCHANG
Exec Dt:
11/28/2017
5
LU, SU
Exec Dt:
02/16/2017
6
BARBER, JOHN H.
Exec Dt:
02/17/2017
7
MACDONALD, RUSSELL JAMES
Exec Dt:
02/28/2017
Assignee
1
GENERAL ELECTRIC COMPANY
1 RIVER ROAD
SCHENECTADY, NEW YORK 12345
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190358589
16476096
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN ST, SUITE 1300
OTTAWA, K1P 1J9 CANADA
Assignment: 16
Reel/Frame:058401/0041   Pages: 11
Recorded: 12/15/2021
Attorney Dkt #:PAT 91685W-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, CHENGQIAN
Exec Dt:
07/23/2019
2
LU, WEI
Exec Dt:
07/23/2019
3
XIA, JIYANG
Exec Dt:
07/24/2019
4
ZHENG, YONGCHANG
Exec Dt:
07/29/2019
5
BATCHELDER, BRUCE
Exec Dt:
06/04/2020
6
BARBER, JOHN H.
Exec Dt:
05/25/2020
Assignee
1
BL TECHNOLOGIES, INC.
5951 CLEARWATER DRIVE
MINNETONKA, MINNESOTA 55343
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210069645
16978985
Correspondence name and address
BORDEN LADNER GERVAIS LLP
1300-100 QUEEN STREET
OTTAWA, K1P 1J9 CANADA

Search Results as of: 05/08/2024 12:23 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT