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Patent Assignment Assignor Details
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Assignor Name : PRATT, DAN W.
Total Assignments: 19
Assignment: 1
Reel/Frame:008271/0063   Pages: 3
Recorded: 10/01/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WESSON, DAVID S.
Exec Dt:
10/01/1996
2
PRATT, DAN W.
Exec Dt:
10/01/1996
Assignee
1
OWEN OIL TOOLS, INC.
8900 FORUM WAY
FORT WORTH, TEXAS 76140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5785130
NONE
08724691
Correspondence name and address
FELSMAN, BRADLEY, GUNTER & DILLON, LLP
ROBERT A. FELSMAN
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TEXAS 76102
Assignment: 2
Reel/Frame:008619/0409   Pages: 3
Recorded: 05/12/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PRATT, DAN W.
Exec Dt:
05/09/1997
Assignee
1
OWEN OIL TOOLS, INC.
8900 FORUM WAY
FT. WORTH, TEXAS 76140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6012392
NONE
08855806
Correspondence name and address
GARDERE & WYNNE, L.L.P.
MICHAEL A. O'NEIL
1601 ELM STREET
SUITE 3000
DALLAS, TX 75201
Assignment: 3
Reel/Frame:009915/0174   Pages: 4
Recorded: 04/21/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PRATT, DAN W.
Exec Dt:
04/16/1999
Assignee
1
OWEN OIL TOOLS, INC.
8900 FORUM WAY
FORT WORTH, TEXAS 76140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6354219
NONE
09295685
Correspondence name and address
FELSMAN, BRADLEY, VANDEN ET AL.
CHARLES D. GUNTER, JR.
201 MAIN STREET
SUITE 1600
FORT WORTH, TX 76102-3105
Assignment: 4
Reel/Frame:014555/0166   Pages: 8
Recorded: 10/06/2003
Conveyance: ARTICLES OF CONVERSION
Assignors
1
PRATT, DAN W.
Exec Dt:
04/16/1999
2
ROUSE, JOHN K.
Exec Dt:
04/16/1999
3
WESSON, DAVID S.
Exec Dt:
04/16/1999
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6655291
US20020162474
10083721
Correspondence name and address
MADAN MOSSMAN & SRIRAM P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-1130
Assignment: 5
Reel/Frame:011116/0132   Pages: 4
Recorded: 09/14/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOSLIN, JOHNNY
Exec Dt:
08/25/2000
2
WESSON, DAVID S.
Exec Dt:
08/25/2000
3
PRATT, DAN W.
Exec Dt:
08/25/2000
Assignee
1
OWEN OIL TOOLS
8900 FORUM WAY
FORT WORTH, TEXAS 76140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6505559
NONE
09661359
Correspondence name and address
FELSMAN, BRADLEY, VADEN, GUNTER & DILLON
CHARLES D. GUNTER, JR.
201 MAIN STREET, SUITE 1600
FORT WORTH, TX 76102
Assignment: 6
Reel/Frame:014731/0483   Pages: 3
Recorded: 11/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DAN W.
Exec Dt:
10/29/2003
2
CHAWLA, MANMOHAN SINGH
Exec Dt:
10/16/2003
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050115448
10691802
Correspondence name and address
MADAN MOSSMAN & SRIRAM P.C.
SHAWN HUNTER
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 7
Reel/Frame:022698/0675   Pages: 3
Recorded: 05/18/2009
Attorney Dkt #:COR-1075-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DAN W.
Exec Dt:
10/29/2003
2
CHAWLA, MANMOHAN SINGH
Exec Dt:
10/16/2003
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN RD
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7712416
US20090235836
12357303
Correspondence name and address
MOSSMAN, KUMAR & TYLER, PC
11200 WESTHEIMER RD.
SUITE 900
HOUSTON, TX 77042-3229
Assignment: 8
Reel/Frame:040860/0226   Pages: 4
Recorded: 01/05/2017
Attorney Dkt #:COR-1103-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAGRANGE, TIMOTHY EDWARD
Exec Dt:
07/17/2007
2
ANDRICH, LYLE W.
Exec Dt:
07/17/2007
3
DAY, CORY D.
Exec Dt:
07/17/2007
4
PRATT, DAN W.
Exec Dt:
07/18/2007
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10401137
US20170059293
15349659
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P. O . BOX 421239
HOUSTON, TX 77242
Assignment: 9
Reel/Frame:019992/0800   Pages: 7
Recorded: 10/22/2007
Attorney Dkt #:COR-1102-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAGRANGE, TIMOTHY EDWARD
Exec Dt:
07/27/2007
2
PRATT, DAN W.
Exec Dt:
08/17/2007
3
WEST, JEFFREY MICHAEL
Exec Dt:
08/21/2007
4
WEISNER, LESLEY ALAN
Exec Dt:
09/14/2007
5
HOELSCHER, CHRISTOPHER
Exec Dt:
09/23/2007
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7610969
US20080011483
11753200
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 10
Reel/Frame:023560/0132   Pages: 3
Recorded: 11/23/2009
Attorney Dkt #:COR-1095USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HANEY, JOSEPH
Exec Dt:
12/07/2007
2
PRATT, DAN W.
Exec Dt:
12/07/2007
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8033332
US20100065274
12624195
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
11200 WESTHEIMER ROAD
SUITE 900
HOUSTON, TX 77042-3229
Assignment: 11
Reel/Frame:020387/0598   Pages: 3
Recorded: 01/18/2008
Attorney Dkt #:COR-1080-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DAN W.
Exec Dt:
01/17/2008
2
CHAWLA, MANMOHAN SINGH
Exec Dt:
08/03/2006
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070240599
11405148
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 12
Reel/Frame:022761/0393   Pages: 5
Recorded: 06/01/2009
Attorney Dkt #:COR-1108-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, ZEPING
Exec Dt:
04/08/2009
2
PRATT, DAN W.
Exec Dt:
06/01/2009
3
NOE, PAUL
Exec Dt:
03/31/2009
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8459186
US20090255433
12406278
Correspondence name and address
MOSSMAN, KUMAR & TYLER, PC
11200 WESTHEIMER RD., SUITE 900
HOUSTON, TX 77042-3229
Assignment: 13
Reel/Frame:023257/0950   Pages: 3
Recorded: 09/21/2009
Attorney Dkt #:COR-1080USCP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DAN W.
Exec Dt:
08/20/2009
2
CHAWLA, MANMOHAN SINGH
Exec Dt:
09/04/2009
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100000397
12541827
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
11200 WESTHEIMER ROAD
SUITE 900
HOUSTON, TX 77042-3229
Assignment: 14
Reel/Frame:028929/0668   Pages: 3
Recorded: 09/10/2012
Attorney Dkt #:COR-1080-USCP-C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DAN W.
Exec Dt:
08/20/2009
2
CHAWLA, MANMOHAN SINGH
Exec Dt:
09/04/2009
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140083283
13608979
Correspondence name and address
MOSSMAN, KUMAR & TYLER PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 15
Reel/Frame:028935/0943   Pages: 3
Recorded: 09/11/2012
Attorney Dkt #:COR-1080-USCP-C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DAN W.
Exec Dt:
08/20/2009
2
CHAWLA, MANMOHAN SINGH
Exec Dt:
09/04/2009
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140083283
13608979
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P. O . BOX 421239
HOUSTON, TX 77242
Assignment: 16
Reel/Frame:039885/0510   Pages: 11
Recorded: 09/27/2016
Attorney Dkt #:COR-1135-US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME PREVIOUSLY RECORDED ON REEL 037525 FRAME 0014. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
UPCHURCH, DAVID E.
Exec Dt:
01/18/2016
2
NOE, PAUL E.
Exec Dt:
01/18/2016
3
POTTER, BENJAMIN O.
Exec Dt:
01/18/2016
4
CLAY, MATTHEW C.
Exec Dt:
01/18/2016
5
PRATT, DAN W.
Exec Dt:
01/18/2016
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9523265
US20160097264
14869388
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P. O . BOX 421239
HOUSTON, TX 77242
Assignment: 17
Reel/Frame:040423/0918   Pages: 8
Recorded: 11/28/2016
Attorney Dkt #:COR-1135-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UPCHURCH, DAVID E.
Exec Dt:
01/18/2016
2
NOE, PAUL E.
Exec Dt:
01/18/2016
3
POTTER, BENJAMIN O.
Exec Dt:
01/18/2016
4
CLAY, MATTHEW C.
Exec Dt:
01/18/2016
5
PRATT, DAN W.
Exec Dt:
01/18/2016
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9598941
US20170089185
15349598
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P. O . BOX 421239
HOUSTON, TX 77242
Assignment: 18
Reel/Frame:038407/0748   Pages: 8
Recorded: 04/28/2016
Attorney Dkt #:COR-1138-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAGRANGE, TIMOTHY E.
Exec Dt:
03/08/2016
2
DAY, CORY D.
Exec Dt:
03/29/2016
3
PATTON, GEORGE
Exec Dt:
03/10/2016
4
PRATT, DAN W.
Exec Dt:
03/10/2016
5
VASS, BRADLEY
Exec Dt:
03/29/2016
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9752421
US20160215597
15008061
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P. O . BOX 421239
HOUSTON, TX 77242
Assignment: 19
Reel/Frame:055869/0602   Pages: 4
Recorded: 04/08/2021
Attorney Dkt #:COR-1161US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MONTANEZ, CHRIS
Exec Dt:
01/27/2021
2
PRATT, DAN W.
Exec Dt:
01/27/2021
Assignee
1
OWEN OIL TOOLS LP
6316 WINDFERN
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210207459
17057018
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P.O. BOX 421239
HOUSTON, TX 77242

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