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Patent Assignment Assignee Details
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Assignee Name : HYDROTEK CORPORATION
Total Assignments: 20
Assignment: 1
Reel/Frame:004845/0394   Pages: 2
Recorded: 02/10/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HU, LEE-PING, EXECUTOR OF THE ESTATE OF JIM WU, DEC'D
Exec Dt:
01/25/1988
Assignee
1
HYDROTEK CORPORATION
107-11 SECTION 3, WENSIN ROAD
A CORP. OF TAIWAN
TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4741363
NONE
06925498
Correspondence name and address
MERCHANT, GOULD, SMITH, EDELL,
WELTER & SCHMIDT
ATTN: JOHN A. CLIFFORD
1600 MIDWEST PLAZA BLDG.
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:010467/0888   Pages: 2
Recorded: 12/16/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WU, SHUI-SHUN
Exec Dt:
12/02/1999
Assignee
1
HYDROTEK CORPORATION
NANKANG IND. PARK
NO. 3, GONG-YEN N. 3RD ROAD
NAN-TOU CITY, TAIWAN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6219857
NONE
09464413
Correspondence name and address
FOLEY & LARDNER
STEPHEN A. BENT
WASHINGTON HARBOUR
3000 K STREET, N.W., SUITE 500
WASHINGTON, DC 20007-5109
Assignment: 3
Reel/Frame:011936/0589   Pages: 2
Recorded: 06/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHANG, WU-MIN
Exec Dt:
06/07/2001
Assignee
1
HYDROTEK CORPORATION
NANKANG IND. PARK
3, GONG-YEH N. 3RD ROAD
NAN-TOU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020195580
09887614
Correspondence name and address
KRAMER LEVIN NAFTALIS & FRANKEL LLP
JONATHAN S. CAPLAN, ESQ.
919 THIRD AVENUE
NEW YORK, NEW YORK 10022
Assignment: 4
Reel/Frame:013905/0597   Pages: 2
Recorded: 03/24/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
03/06/2003
Assignee
1
HYDROTEK CORPORATION
3, GONG-YEH N. 3 ROAD NANKANG IND. PARK
NAN-TOU, TAIWAN 540, R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6883541
US20040187934
10394043
Correspondence name and address
BRUCE H. TROXELL
TROXELL LAW OFFICE PLLC
1404
5205 LEESBURG PIKE
FALLS CHURCH, VA 22041-3401
Assignment: 5
Reel/Frame:014164/0403   Pages: 2
Recorded: 06/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
05/20/2003
Assignee
1
HYDROTEK CORPORATION
3, GONG-YEH N.3 ROAD NANKING IND. PARK
NAN-TOU, TAIWAN 540, R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6845524
US20040250343
10458223
Correspondence name and address
TROXELL LAW OFFICE PLLC
BRUCE H. TROXELL
5205 LEESBURG PIKE, SUITE 1404
FALLS CHURCH, VA 22041-3401
Assignment: 6
Reel/Frame:014860/0705   Pages: 2
Recorded: 12/31/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
12/25/2003
Assignee
1
HYDROTEK CORPORATION
3, GONG-YEH N. 3 ROAD NANKANG IND. PARK
NAN-TOU, TAIWAN 540, R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7032260
US20050138725
10748252
Correspondence name and address
TROXELL LAW OFFICE PLLC
5205 LEESBURG PIKE
SUITE 1404
FALLS CHURCH, VA 22041-3401
Assignment: 7
Reel/Frame:015299/0332   Pages: 2
Recorded: 05/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
05/05/2004
Assignee
1
HYDROTEK CORPORATION
3, GONG-YEH N. 3 ROAD
NANKUNG INDUSTRIAL PARK
NAN-TOU CITY, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6974114
US20050247899
10838208
Correspondence name and address
BACON & THOMAS, PLLC
625 SLATERS LANE
FOURTH FLOOR
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:015511/0393   Pages: 2
Recorded: 06/23/2004
Attorney Dkt #:BHT3117198
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
06/14/2004
Assignee
1
HYDROTEK CORPORATION
3, GONG-YEH N. 3 ROAD NANKANG INC.
NAN-TOU, TAIWAN 540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7201359
US20050283897
10873181
Correspondence name and address
TROXELL LAW OFFICES PLLC
5205 LEESBURG PIKE
SUITE 1404
FALLS CHURCH, VA 22041-3401
Assignment: 9
Reel/Frame:017180/0016   Pages: 2
Recorded: 11/02/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
09/28/2005
Assignee
1
HYDROTEK CORPORATION
NO. 3, GONG-YEH N. 3 RD.
NANKANG IND. PARK
NAN-TOU, TAIWAN 540, R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070094787
11263898
Correspondence name and address
TROXELL LAW OFFICE PLLC
5205 LEESBURG PIKE
SUITE 1404
FALLS CHURCH, VIRGINIA 22041-3401
Assignment: 10
Reel/Frame:017452/0744   Pages: 2
Recorded: 01/09/2006
Attorney Dkt #:BHT-3117-384
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HWANG, SU
Exec Dt:
12/07/2005
Assignee
1
HYDROTEK CORPORATION
NO. 3, GONG-YEH N. 3 RD., NANKANG IND. PARK
NAN-TOU, TAIWAN 540, R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070158602
11327508
Correspondence name and address
TROXELL LAW OFFICE PLLC
5205 LEESBURG PIKE
SUITE 1404
FALLS CHURCH, VA 22041-3401
Assignment: 11
Reel/Frame:022954/0710   Pages: 3
Recorded: 07/14/2009
Attorney Dkt #:TW-WWA-0883
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
07/10/2009
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD., NANTOU CITY
NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110010845
12502776
Correspondence name and address
SINORICA, LLC
2275 RESEARCH BLVD.
SUITE 500
ROCKVILLE, MD 20850
Assignment: 12
Reel/Frame:026040/0824   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:TW-WWA-1002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
03/24/2011
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD., NANTOU CITY
NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8474481
US20120248351
13074288
Correspondence name and address
SINORICA, LLC
2275 RESEARCH BLVD.
SUITE 500
ROCKVILLE, MD 20850
Assignment: 13
Reel/Frame:026041/0173   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:TW-WWA-1005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
03/24/2011
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD., NANTOU CITY
NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120246814
13074338
Correspondence name and address
SINORICA, LLC
2275 RESEARCH BLVD.
SUITE 500
ROCKVILLE, MD 20850
Assignment: 14
Reel/Frame:027882/0094   Pages: 3
Recorded: 03/18/2012
Attorney Dkt #:TW-WWA-1055
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
03/16/2012
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD. NANTOU HSIEN
NANTOU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120211086
13423219
Correspondence name and address
SINORICA, LLC
19785 CRYSTAL ROCK DRIVE
SUITE 207
GERMANTOWN, MD 20874
Assignment: 15
Reel/Frame:039515/0103   Pages: 3
Recorded: 07/29/2016
Attorney Dkt #:TW-WWA-1297
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
07/29/2016
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD., NANTOU CITY
NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10316501
US20180030699
15223797
Correspondence name and address
SINORICA, LLC
19785 CRYSTAL ROCK DRIVE
SUITE 207
GERMANTOWN, MD 20874
Assignment: 16
Reel/Frame:039671/0162   Pages: 3
Recorded: 08/12/2016
Attorney Dkt #:TW-WWA-1299
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
08/09/2016
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD., NANTOU CITY
NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9850644
NONE
15236118
Correspondence name and address
SINORICA, LLC
19785 CRYSTAL ROCK DRIVE
SUITE 207
GERMANTOWN, MD 20874
Assignment: 17
Reel/Frame:043242/0042   Pages: 3
Recorded: 08/09/2017
Attorney Dkt #:MR929-1540
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, SHU
Exec Dt:
08/09/2017
2
MA, CHENG-YI
Exec Dt:
08/09/2017
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3RD RD.
NANTOU CITY, NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10208870
US20190049035
15672504
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 18
Reel/Frame:050491/0351   Pages: 3
Recorded: 09/25/2019
Attorney Dkt #:TW-WWA-1392
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
09/23/2019
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD.
NANTOU CITY, NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10874262
NONE
16582952
Correspondence name and address
SINORICA, LLC
20251 CENTURY BLVD.
SUITE 140
GERMANTOWN, MD 20874
Assignment: 19
Reel/Frame:051417/0510   Pages: 3
Recorded: 01/06/2020
Attorney Dkt #:WWP-PA503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
12/31/2019
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD., NANTOU CITY
NANTOU HSIEN, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D885221
NONE
29719498
Correspondence name and address
BRUCE STONE LLP
8888 KEYSTONE CROSSING
SUITE 1300
INDIANAPOLIS, IN 46240
Assignment: 20
Reel/Frame:058604/0400   Pages: 3
Recorded: 01/10/2022
Attorney Dkt #:WP-67852
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUANG, SU
Exec Dt:
01/04/2022
Assignee
1
HYDROTEK CORPORATION
NO. 3, INDUSTRIAL N. 3 RD.
NANTOU CITY, NANTOU HSIEN, TAIWAN 540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11686398
US20230220917
17571402
Correspondence name and address
CHAO-CHANG PAI
3019 NE 127TH ST., PO BOX 25750
SEATTLE, WA 98165

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