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Patent Assignment Assignor Details
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Assignor Name : KNIZHNIK, SERGEI
Total Assignments: 10
Assignment: 1
Reel/Frame:011504/0621   Pages: 4
Recorded: 01/19/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/11/2001
2
Exec Dt:
01/10/2001
3
Exec Dt:
01/17/2001
4
Exec Dt:
01/10/2001
Assignee
1
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09766044
Correspondence name and address
PENNIE & EDMONDS LLP
FRANCIS E. MORRIS
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 2
Reel/Frame:014496/0484   Pages: 2
Recorded: 09/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/09/2003
2
Exec Dt:
09/09/2003
Assignee
1
1401 MCKINNEY, SUITE 2400
5 HOUSTON CENTER
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10660193
Correspondence name and address
PENNIE & EDMONDS LLP
OGNJAN V. SHENTOV
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036-2711
Assignment: 3
Reel/Frame:022104/0575   Pages: 3
Recorded: 01/14/2009
Attorney Dkt #:1391-779.01 AND 779.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/24/2008
2
Exec Dt:
01/24/2008
3
Exec Dt:
01/24/2008
Assignee
1
10200 BELLAIRE BOULEVARD
INTELLECTUAL PROPERTY DEPARTMENT
HOUSTON, TEXAS 77072
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
11993430
 
NONE
11993430
Correspondence name and address
KRUEGER ISELIN LLP (1391)
P O BOX 1906
CYPRESS, TX 77410-1906
Assignment: 4
Reel/Frame:022726/0587   Pages: 2
Recorded: 05/22/2009
Attorney Dkt #:1391-779.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/24/2008
2
Exec Dt:
01/24/2008
3
Exec Dt:
01/24/2008
Assignee
1
10200 BELLAIRE BOULEVARD
INTELLECTUAL PROPERTY DEPARTMENT
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11993430
Correspondence name and address
KRUEGER ISELIN LLP (1391)
P O BOX 1906
CYPRESS, TX 77410-1906
Assignment: 5
Reel/Frame:050477/0514   Pages: 2
Recorded: 09/24/2019
Attorney Dkt #:1560-031509
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/24/2008
2
Exec Dt:
01/24/2008
3
Exec Dt:
01/24/2008
Assignee
1
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16580921
Correspondence name and address
C. TUMEY LAW
P.O BOX 890226
HOUSTON, TX 77062-9998
Assignment: 6
Reel/Frame:024545/0896   Pages: 7
Recorded: 06/16/2010
Attorney Dkt #:1391-803.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/10/2010
2
Exec Dt:
06/14/2010
3
Exec Dt:
06/10/2010
4
Exec Dt:
06/10/2010
Assignee
1
10200 BELLAIRE BOULEVARD
INTELLECTUAL PROPERTY DEPARTMENT
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13519647
Correspondence name and address
KRUEGER ISELIN LLP (1391)
P O BOX 1906
CYPRESS, TX 77410-1906
Assignment: 7
Reel/Frame:028459/0784   Pages: 7
Recorded: 06/28/2012
Attorney Dkt #:1391-803.03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/10/2010
2
Exec Dt:
06/14/2010
3
Exec Dt:
06/10/2010
4
Exec Dt:
06/10/2010
Assignee
1
10200 BELLAIRE BOULEVARD
INTELLECTUAL PROPERTY DEPARTMENT
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13519647
Correspondence name and address
KRUEGER ISELIN LLP (1391)
P O BOX 1906
CYPRESS, TX 77410-1906
Assignment: 8
Reel/Frame:052577/0429   Pages: 3
Recorded: 05/05/2020
Attorney Dkt #:205-0514US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/25/2015
2
Exec Dt:
09/25/2015
Assignee
1
2000 ST JAMES PL
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15759481
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:056850/0448   Pages: 3
Recorded: 07/14/2021
Attorney Dkt #:1187-ND-0322-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/24/2021
2
Exec Dt:
05/24/2021
Assignee
1
515 WEST GREENS ROAD
SUITE 1200
HOUSTON, TEXAS 77067
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17305741
Correspondence name and address
ABEL SCHILLINGER, LLP
12414 ALDERBROOK DRIVE
SUITE 201
AUSTIN, TX 78758
Assignment: 10
Reel/Frame:064519/0724   Pages: 6
Recorded: 08/08/2023
Attorney Dkt #:1187-ND-0359-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/24/2023
2
Exec Dt:
07/26/2023
3
Exec Dt:
07/24/2023
4
Exec Dt:
07/23/2023
5
Exec Dt:
07/24/2023
Assignee
1
515 WEST GREENS ROAD
SUITE 1200
HOUSTON, TEXAS 77067
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18366833
Correspondence name and address
ABEL SCHILLINGER, LLP
12414 ALDERBROOK DRIVE
SUITE 201
AUSTIN, TX 78758

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