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Patent Assignment Assignor Details
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Assignor Name : BELL, WILLIAM T.
Total Assignments: 19
Assignment: 1
Reel/Frame:004090/0076   Pages: 4
Recorded: 01/24/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BELL, WILLIAM T.
Exec Dt:
12/29/1982
Assignee
1
COMPLETION TOOL COMPANY,
HOUSTON,, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4871179
NONE
06460313
Correspondence name and address
W. F. HYER
2401 FOUNTAINVIEW, STE. 500
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:004114/0047   Pages: 4
Recorded: 04/01/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WOOD, EDWARD T.
Exec Dt:
03/31/1983
2
BELL, WILLIAM T.
Exec Dt:
03/31/1983
3
BARKER, BOB V.
Exec Dt:
03/31/1983
Assignee
1
COMPLETION TOOL COMPANY
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4744421
NONE
06481581
Correspondence name and address
W. F. HYER
2401 FOUNTAINVIEW, STE. 500
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:004294/0004   Pages: 4
Recorded: 08/27/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WOOD, EDWARD T.
Exec Dt:
08/03/1984
2
BELL, WILLIAM T.
Exec Dt:
08/03/1984
3
BARKER, BOB V.
Exec Dt:
08/03/1984
Assignee
1
COMPLETION TOOL COMPANY A CORP. OF TX
HOUSTON,, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4744421
NONE
06481581
Correspondence name and address
DONALD H. FIDLER
FILDLER AND HAMMERSTEIN
9575 KATY FREEWAY, STE. 450
HOUSTON TEXAS 77024
Assignment: 4
Reel/Frame:010882/0253   Pages: 4
Recorded: 06/15/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARMON, JERRY L.
Exec Dt:
06/06/2000
2
BELL, WILLIAM T.
Exec Dt:
06/06/2000
Assignee
1
GEO-X SYSTEMS LTD.
900, 425 FIRST STREET S.W.
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6584406
NONE
09595384
Correspondence name and address
CONLEY, ROSE & TAYON, P.C.
ROBERT GRAY
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 5
Reel/Frame:026041/0826   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:T32457USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
09/01/2001
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
8811 EMMOTT ROAD #1900
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7530397
US20050268776
10762182
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 6
Reel/Frame:012163/0198   Pages: 3
Recorded: 09/10/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
09/10/2001
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
8811 EMMOTT ROAD
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030047312
09949990
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TEXAS 77280-149
Assignment: 7
Reel/Frame:026041/0995   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:T32457USD1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
09/10/2001
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
8811 EMMOTT ROAD #1900
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7536942
US20070074624
11442899
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 8
Reel/Frame:026042/0413   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:T32457USD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
09/10/2001
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
8811 EMMOTT ROAD #1900
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6959765
US20040200343
10783288
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 9
Reel/Frame:026042/0700   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:T32457USD2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
09/10/2001
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
8811 EMMOTT ROAD #1900
HOUSTON, TEXAS 77040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7698982
US20060266205
11442807
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 10
Reel/Frame:012777/0749   Pages: 3
Recorded: 04/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
03/26/2002
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
2060 HIGHWAY 90 WEST
SEALY, TEXAS 77474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6644099
US20030111220
10017116
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TEXAS 77280-0149
Assignment: 11
Reel/Frame:026043/0030   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:T32454USD1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
03/26/2002
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
2060 HIGHWAY 90 WEST
SEALY, TEXAS 77474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7073448
US20040206265
10700221
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 12
Reel/Frame:026063/0079   Pages: 3
Recorded: 04/01/2011
Attorney Dkt #:T32454USD2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BELL, WILLIAM T.
Exec Dt:
03/26/2002
Assignee
1
SPECIALTY COMPLETION PRODUCTS, INC.
2060 HIGHWAY 90 WEST
SEALY, TEXAS 77474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7146913
US20050189141
11069704
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 13
Reel/Frame:014524/0221   Pages: 3
Recorded: 09/24/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARMON, JERALD L.
Exec Dt:
09/23/2003
2
BELL, WILLIAM T.
Exec Dt:
04/29/2003
Assignee
1
GEO-X SYSTEMS, LTD.
ERNST & YOUNG TOWER, SUITE 500
440 SECOND AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 5E9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6942034
US20030168213
10354677
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TX 77280-0149
Assignment: 14
Reel/Frame:014459/0203   Pages: 4
Recorded: 08/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAMBERLAIN, DONALD G.
Exec Dt:
08/05/2003
2
HARMON, JERALD L.
Exec Dt:
08/05/2003
3
BELL, WILLIAM T.
Exec Dt:
08/05/2003
Assignee
1
GEO-X SYSTEMS, LTD.
440 SECOND AVENUE, S.W.
ERNST & YOUNG TOWER, SUITE 500
CALGARY, ALBERTA, CANADA T2P 5E9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6928030
US20050047277
10652669
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TX 77280-0149
Assignment: 15
Reel/Frame:015894/0670   Pages: 3
Recorded: 02/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARMON, JERALD L.
Exec Dt:
09/23/2003
2
BELL, WILLIAM T.
Exec Dt:
01/12/2004
Assignee
1
GEO-X SYSTEMS, LTD.
440 SECOND AVE., S.W.
ERNST & YOUNG TOWER, SUITE 500
CALGARY, ALBERTA, CANADA T2P 5E9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6885918
US20040006430
10455970
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TX 77280-0149
Assignment: 16
Reel/Frame:016502/0965   Pages: 3
Recorded: 04/22/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARMON, JERALD
Exec Dt:
09/23/2003
2
BELL, WILLIAM T.
Exec Dt:
01/12/2004
Assignee
1
GEO-X SYSTEMS, LTD.
440 SECOND AVE., S.W.
ERNST & YOUNG TOWER, SUITE 500
CALGARY, ALBERTA, CANADA T2P 5E9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050197781
11112809
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TX 77280-0149
Assignment: 17
Reel/Frame:015890/0532   Pages: 4
Recorded: 10/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, WENBO
Exec Dt:
07/28/2004
2
BELL, WILLIAM T.
Exec Dt:
10/08/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7661367
US20060075888
10961350
Correspondence name and address
W. ALLEN MARCONTELL
P.O. BOX 800149
HOUSTON, TX 77280-0149
Assignment: 18
Reel/Frame:050924/0677   Pages: 9
Recorded: 05/20/2019
Attorney Dkt #:WTBI-007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BELL, WILLIAM T.
Exec Dt:
05/16/2019
2
BELL, VINCENT T.
Exec Dt:
05/16/2019
Assignee
1
W.T. BELL INTERNATIONAL, INC.
8811 EMMOTT ROAD
STE 1900
HOUSTON, TEXAS 77040-3541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10161197
US20160273281
14664544
Correspondence name and address
TERRY L. MCCUTCHEON
2000 BERING DRIVE
STE 700
HOUSTON, TX 77057
Assignment: 19
Reel/Frame:054059/0074   Pages: 6
Recorded: 01/08/2020
Attorney Dkt #:WTBI-013/PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BELL, THOMAS VINCENT
Exec Dt:
05/16/2019
2
BELL, WILLIAM T.
Exec Dt:
05/16/2019
Assignee
1
W.T. BELL INTERNATIONAL, INC.
8811 EMMOTT ROAD
STE 1900
HOUSTON, TEXAS 77040-3541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10538984
US20190048676
15759776
Correspondence name and address
TERRY L. MCCUTCHEON
2000 BERING DRIVE
STE 700
HOUSTON, TX 77057

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