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Patent Assignment Assignor Details
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Assignor Name : PLEASANTS, CHARLES W.
Total Assignments: 19
Assignment: 1
Reel/Frame:005219/0422   Pages: 3
Recorded: 01/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PLEASANTS, CHARLES W.
Exec Dt:
01/25/1990
2
SCOTT, KEITH W.
Exec Dt:
01/24/1990
Assignee
1
OTIS ENGINEERING CORPORATION
A CORP. OF DE
CARROLLTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5007479
NONE
07423483
Correspondence name and address
OTIS ENGINEERING CORPORATION
P.O. BOX 819052
DALLAS, TX 75381-9052
Assignment: 2
Reel/Frame:005251/0219   Pages: 3
Recorded: 02/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PLEASANTS, CHARLES W.
Exec Dt:
02/20/1990
Assignee
1
OTIS ENGINEERING CORPORATION
A CORP. OF DE
CARROLLTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4986362
NONE
07417282
Correspondence name and address
OTIS ENGINEERING CORPORATION
P.O. BOX 819052
DALLAS, TX 75381-9052
Assignment: 3
Reel/Frame:005308/0103   Pages: 6
Recorded: 05/14/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PLEASANTS, CHARLES W.
Exec Dt:
04/24/1990
2
WHITE, PAT M.
Exec Dt:
04/24/1990
3
FISCHER, RONALD J.
Exec Dt:
05/07/1990
4
HARRISON, ROBERT D. JR.
Exec Dt:
05/01/1990
5
SETTERBERG, JOHN R. JR.
Exec Dt:
04/24/1990
Assignee
1
OTIS ENGINEERING CORPORATION
A CORP OF DE
CARROLLTON, COUNTY OF DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5000265
NONE
07468599
Correspondence name and address
OTIS
P.O. BOX 819052
DALLAS, TEXAS 75381-9052
Assignment: 4
Reel/Frame:005312/0560   Pages: 4
Recorded: 05/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PLEASANTS, CHARLES W.
Exec Dt:
05/15/1990
Assignee
1
OTIS ENGINEERING CORPORATION, A CORP. OF DE.
DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5012871
NONE
07508895
Correspondence name and address
ROLAND O. COX
OTIS
P.O. BOX 819052
DALLAS, TX. 75381-9052
Assignment: 5
Reel/Frame:005456/0429   Pages: 4
Recorded: 10/01/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PLEASANTS, CHARLES W.
Exec Dt:
09/27/1990
Assignee
1
OTIS ENGINEERING CORPORATION
A CORP. OF DE
CARROLLTON, DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5040598
NONE
07565218
Correspondence name and address
THOMAS R. FELGER
OTIS ENGINEERING CORPORATION
P.O. BOX 819052
DALLAS, TX 75381-9052
Assignment: 6
Reel/Frame:005539/0401   Pages: 5
Recorded: 12/10/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PLEASANTS, CHARLES W.
Exec Dt:
11/15/1990
2
HEAD, DONALD W.
Exec Dt:
11/26/1990
3
BURNETT, DAVID R.
Exec Dt:
11/26/1990
Assignee
1
OTIS ENGINEERING CORPORATION
A CORP. OF DELAWARE
CARROLLTON, COUNTY OF DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5012871
NONE
07508895
Correspondence name and address
ROLAND O. COX
OTIS
P.O. BOX 819052
DALLAS, TEXAS 75381-9052
Assignment: 7
Reel/Frame:005639/0894   Pages: 4
Recorded: 03/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PLEASANTS, CHARLES W.
Exec Dt:
03/15/1991
2
FOWLER, STEWART H. JR.
Exec Dt:
03/01/1991
Assignee
1
OTIS ENGINEERING CORPORATION
CARROLLTON
A CORP. OF DE
DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5090481
NONE
07653547
Correspondence name and address
OTIS ENGINEERING CORPORATION
P.O. BOX 819052
DALLAS, TX 75381-9052
ATTN: THOMAS R. FELGER
Assignment: 8
Reel/Frame:005695/0194   Pages: 6
Recorded: 05/06/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PLEASANTS, CHARLES W.
Exec Dt:
04/12/1991
2
WHITE, PAT M.
Exec Dt:
04/12/1991
3
FISCHER, RONALD J.
Exec Dt:
04/18/1991
4
HARRISON, ROBERT D., JR.
Exec Dt:
04/29/1991
5
SETTERBERG, JOHN R.
Exec Dt:
04/11/1991
Assignee
1
OTIS ENGINEERING CORPORATION A CORPORATION OF DELAWARE
DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5146994
NONE
07635900
Correspondence name and address
WARREN B. KICE
HAYNES & BOONE
901 MAIN ST.
3100 NCNB PLAZA
DALLAS, TX 75202-3714
Assignment: 9
Reel/Frame:005760/0379   Pages: 4
Recorded: 07/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PLEASANTS, CHARLES W.
Exec Dt:
07/09/1991
Assignee
1
OTIS ENGINEERING CORPORATION
A CORPORATION OF DELAWARE
CARROLLTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5146984
NONE
07682811
Correspondence name and address
WARREN B. KICE
HAYNES AND BOONE
3100 NCNB PLAZA
901 MAIN ST.
DALLAS, TX 75202-3714
Assignment: 10
Reel/Frame:007728/0485   Pages: 2
Recorded: 10/12/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PLEASANTS, CHARLES W.
Exec Dt:
10/12/1995
Assignee
1
WEATHERFORD U.S., INC.
SUITE 1000
1360 POST OAK BLVD.
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5614599
NONE
08542489
Correspondence name and address
GUY MCCLUNG
#347
16690 CHAMPION FOREST DRIVE
SPRING, TX 77379-7023
Assignment: 11
Reel/Frame:008148/0019   Pages: 2
Recorded: 09/04/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANGFORD, DALE E.
Exec Dt:
07/12/1996
2
ROBERTSON, ROBERT E.
Exec Dt:
07/10/1996
3
PLEASANTS, CHARLES W.
Exec Dt:
06/28/1996
4
CARTER, THURMAN B.
Exec Dt:
08/30/1996
5
MCCLUNG, GUY L., III
Exec Dt:
08/30/1996
Assignee
1
WEATHERFORD/ LAMB, INC.
SUITE 1000
1360 POST OAK BLVD.
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5806595
NONE
08642118
Correspondence name and address
GUY MCCLUNG (GUY L. MCCLUNG, III)
16690 CHAMPION FOREST DR.
#347
SPRING, TEX 77379-7023
Assignment: 12
Reel/Frame:008629/0652   Pages: 2
Recorded: 05/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAUGEN, DAVID M.
Exec Dt:
02/06/1997
2
MILLS, JOSEPH D.
Exec Dt:
01/31/1997
3
ROBERTS, JOHN D.
Exec Dt:
02/06/1997
4
LEE, MARK H.
Exec Dt:
01/31/1997
5
BLIZZARD, WILLIAM A., JR.
Exec Dt:
02/06/1997
6
SCHNITKER, MARK W.
Exec Dt:
02/27/1997
7
DELAGADO, STEVE R.
Exec Dt:
02/27/1997
8
JOHANTGES, PAUL J.
Exec Dt:
01/31/1997
9
CARTER, THURMAN B.
Exec Dt:
02/06/1997
10
PLEASANTS, CHARLES W.
Exec Dt:
02/06/1997
11
MCCLUNG, GUY L. III.
Exec Dt:
04/16/1997
Assignee
1
WEATHERFORD/LAMB, INC.
SUITE 1000
1360 POST OAK BLVD.
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5887655
NONE
08790543
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
SPRING, TX 77379-7023
Assignment: 13
Reel/Frame:009502/0267   Pages: 2
Recorded: 05/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHANGTES, PAUL J.
Exec Dt:
11/15/1996
2
CARTER, THURMAN B.
Exec Dt:
11/15/1996
3
PLEASANTS, CHARLES W.
Exec Dt:
04/29/1997
Assignee
1
WEATHERFORD/LAMB, INC.
SUITE 1000
1360 POST OAK BLVD.
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5787978
NONE
08752359
Correspondence name and address
GUY L. MCCLUNG, III
#347
16690 CHAMPION FOREST DR.
SPRING, TEX 77579-7023
Assignment: 14
Reel/Frame:009361/0663   Pages: 2
Recorded: 08/05/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURST, DOUGLAS GLENN
Exec Dt:
04/24/1998
2
ROBERTSON, ROBERT
Exec Dt:
04/24/1998
3
CARTER, THURMAN B.
Exec Dt:
05/18/1998
4
JOHANTGES, PAUL J.
Exec Dt:
06/07/1998
5
PLEASANTS, CHARLES W.
Exec Dt:
05/06/1998
6
BLIZZARD, WILLIAM A., JR.
Exec Dt:
04/27/1998
7
LANGFORD, DALE E.
Exec Dt:
06/30/1998
8
MCCLUNG, GUY L., III
Exec Dt:
07/31/1998
Assignee
1
WEATHERFORD/LAMB, INC.
1360 POST OAK BLVD., SUITE 1000
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6056056
NONE
09008614
Correspondence name and address
GUY MCCLUNG (GUY L. MCCLUNG, III)
16690 CHAMPION FOREST DR., #347
SPRING, TEXAS 77379-7023
Assignment: 15
Reel/Frame:021314/0894   Pages: 6
Recorded: 07/30/2008
Attorney Dkt #:284-46444-US (BAO0221US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HART, DANIEL R.
Exec Dt:
07/18/2008
2
SWANSON, ROY E.
Exec Dt:
07/25/2008
3
NYGARDSVOLL, KJELL
Exec Dt:
07/24/2008
4
YANG, SONGFENG
Exec Dt:
07/24/2008
5
GUIDRY, CHRISTOPHER W.
Exec Dt:
07/25/2008
6
PLEASANTS, CHARLES W.
Exec Dt:
07/18/2008
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7905279
US20090255664
12103023
Correspondence name and address
CANTOR COLBURN, LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 16
Reel/Frame:021729/0851   Pages: 4
Recorded: 10/24/2008
Attorney Dkt #:284-46966-US (BAO-0240)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERN, GREGORY L.
Exec Dt:
10/07/2008
2
PLEASANTS, CHARLES W.
Exec Dt:
10/07/2008
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100084140
12246180
Correspondence name and address
CANTOR COLBURN, LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 17
Reel/Frame:025347/0572   Pages: 6
Recorded: 11/11/2010
Attorney Dkt #:FSH4-49709-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRIDER, JAMES ALAN
Exec Dt:
10/13/2010
2
HERN, GREGORY LEE
Exec Dt:
11/10/2010
3
PLEASANTS, CHARLES W.
Exec Dt:
11/10/2010
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8739864
US20110315389
12826020
Correspondence name and address
SHAWN HUNTER / BAKER HUGHES FILINGS
P.O. BOX 270110
HOUSTON, TX 77277-0110
Assignment: 18
Reel/Frame:025825/0217   Pages: 7
Recorded: 02/17/2011
Attorney Dkt #:WBI4-51932-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLS, AUBREY C.
Exec Dt:
02/16/2011
2
JOSEPH, BASIL J.
Exec Dt:
02/16/2011
3
MUNSHI, AMMAR A.
Exec Dt:
02/16/2011
4
O'CONNOR, KEVEN
Exec Dt:
02/16/2011
5
PLEASANTS, CHARLES W.
Exec Dt:
02/16/2011
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8813857
US20120211221
13029266
Correspondence name and address
STEVE ROSENBLATT
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 19
Reel/Frame:032078/0619   Pages: 7
Recorded: 01/29/2014
Attorney Dkt #:WBI4-51932-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLS, AUBREY C.
Exec Dt:
02/16/2011
2
JOSEPH, BASIL J.
Exec Dt:
02/16/2011
3
MUNSHI, AMMAR A.
Exec Dt:
02/16/2011
4
PLEASANTS, CHARLES W.
Exec Dt:
02/16/2011
5
O'CONNOR, KEVEN
Exec Dt:
02/16/2011
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9488028
US20140144653
14167189
Correspondence name and address
STEVE ROSENBLATT
P.O. BOX 421239
HOUSTON, TX 77242

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