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Patent Assignment Assignor Details
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Assignor Name : BAKER HUGHES PRODUCTION TOOLS, INC.
Total Assignments: 12
Assignment: 1
Reel/Frame:005156/0236   Pages: 3
Recorded: 06/23/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
05/22/1989
Assignee
1
SUMITOMO METAL INDUSTRIES, LTD.
CHIYODA-KU,
OTE CENTER BUILDING
TOKYO 100, JAPAN
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
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4396211
NONE
06272411
 
4526408
NONE
06399563
 
4501440
NONE
06458417
 
4531552
NONE
06491864
 
4444420
NONE
06499996
 
4480371
NONE
06513456
 
4566495
NONE
06587560
 
4624485
NONE
06611188
 
4673652
NONE
06936222
Correspondence name and address
BURNSTONE, DOANE, SWECKER & MATHIS
GEORGE MASON BUILDING
WASHINGTON & PRINCE ST., P.O. BOX 1404
ALEXANDRIA, VA. 22313-1404
Assignment: 2
Reel/Frame:006411/0601   Pages: 4
Recorded: 10/05/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
10/01/1992
Assignee
1
WATER DEVELOPMENT CORPORATION
1202 KENTUCKY AVENUE
JEFFREY BARROW
WOODLAND, CALIFORNIA 95695
Properties
 
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Intl #
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Pat #
Pub #
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4836299
NONE
07110194
 
5030034
NONE
07299038
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 3
Reel/Frame:006481/0798   Pages: 2
Recorded: 04/08/1993
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/15/1993
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1993
Assignee
1
BAKER HUGHES, INTEQ, INC.
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
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Pub #
Intl #
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4710708
NONE
06401267
 
4587741
NONE
06536556
 
4646831
NONE
06650665
 
4736791
NONE
06730397
 
4926188
NONE
06865623
 
4787093
NONE
06907727
 
4953616
NONE
07181599
 
4878053
NONE
07181678
 
4908804
NONE
07212670
 
5027129
NONE
07419893
 
5067114
NONE
07500107
 
5089779
NONE
07581561
 
5160925
NONE
07686772
 
5260662
NONE
07899020
 
4221834
NONE
UNAVAILABLE
Correspondence name and address
CARL A. ROWOLD
OR THERESA M. BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 4
Reel/Frame:006483/0264   Pages: 3
Recorded: 04/08/1993
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/10/1993
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1993
Assignee
1
BAKER HUGHES INTEQ, INC.
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
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Pub #
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4273212
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06006832
 
4266606
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06070092
 
4265305
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06070154
 
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06537821
 
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06732928
 
4676574
NONE
06865158
 
4786874
NONE
06898409
 
4733233
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06936185
 
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4716973
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4779852
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4821563
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07144471
 
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07389321
 
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5148408
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5050132
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5056067
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07619172
 
5138263
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07641690
 
5134285
NONE
07642314
 
5091644
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07642319
 
5120963
NONE
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5163029
NONE
07652887
 
5251708
NONE
07666626
 
5096001
NONE
07671253
 
5226332
NONE
07703171
 
5272680
NONE
07703480
 
5216242
NONE
07710822
 
5134783
NONE
07723455
 
5124953
NONE
07736397
 
5215152
NONE
07846523
Correspondence name and address
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 5
Reel/Frame:006766/0256   Pages: 4
Recorded: 11/15/1993
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1993
Assignee
1
BAKER HUGHES INTEQ, INC.
3900 ESSEX LANE
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4739842
NONE
06910286
Correspondence name and address
BAKER HUGHES INCORPORATED
CARL A. ROWOLD
3900 ESSEX LANE
SUITE 1200
HOUSTON, TX 77027
Assignment: 6
Reel/Frame:006874/0514   Pages: 9
Recorded: 02/28/1994
Conveyance: MERGER/CHANGE OF NAME
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1993
Assignee
1
BAKER HUGHES INTEQ, INC.
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551719
NONE
06472651
Correspondence name and address
BAKER HUGHES INCORPORATED
SANDRA E. ALFORD
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027
Assignment: 7
Reel/Frame:006950/0048   Pages: 9
Recorded: 02/07/1994
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1993
Assignee
1
BAKER HUGHES INTEQ, INC.
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4429581
NONE
06267276
Correspondence name and address
BAKER HUGHES INCORPORATED
SANDRA E. ALFORD
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027
Assignment: 8
Reel/Frame:007133/0794   Pages: 8
Recorded: 09/19/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1993
2
BAKER HUGHES DRILLING TECHNOLOGIES, INC.
Exec Dt:
03/10/1993
Assignee
1
BAKER HUGHES INTEQ, INC.
15355 VANTAGE PARKWAY WEST
HOUSTON, TEXAS 77032
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4183713
NONE
05867711
 
4161448
NONE
05879811
 
4264269
NONE
05945540
 
4280790
NONE
06015120
 
4299352
NONE
06023204
 
4251184
NONE
06023205
 
4281962
NONE
06023206
 
4289610
NONE
06023207
 
4198218
NONE
06023208
 
4322199
NONE
06023209
 
4243528
NONE
06051545
 
4268281
NONE
06061211
 
4279571
NONE
06080377
 
4283005
NONE
06080379
 
4267964
NONE
06080420
 
4252499
NONE
06080617
 
4332521
NONE
06120188
 
4940394
NONE
07259079
 
5332373
NONE
08099957
Correspondence name and address
THERESA BUSTAMANTE
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, 8TH FLOOR
HOUSTON, TX 77027
Assignment: 9
Reel/Frame:006680/0830   Pages: 19
Recorded: 07/15/1993
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/15/1993
Assignee
1
BAKER HUGHES DRILLING TECHNOLOGIES, INC.
3900 ESSEX LANE, #800
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4345651
NONE
06133363
 
4088186
NONE
UNAVAILABLE
Correspondence name and address
CARL A. ROWOLD
3900 ESSEX, #1200
HOUSTON, TX 77027
Assignment: 10
Reel/Frame:006680/0849   Pages: 19
Recorded: 07/15/1993
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/15/1993
Assignee
1
BAKER HUGHES INTEQ, INC.
3900 ESSEX LANE, #800
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4345651
NONE
06133363
 
4088186
NONE
UNAVAILABLE
Correspondence name and address
CARL A. ROWOLD
3900 ESSEX, #1200
HOUSTON, TX 77027
Assignment: 11
Reel/Frame:006874/0888   Pages: 8
Recorded: 03/03/1994
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/15/1993
Assignee
1
BAKER HUGHES INTEO, INC.
15355 VANTAGE PARKWAY WEST
HOUSTON, TEXAS 77032
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4941532
NONE
07331290
 
4967844
NONE
07344671
 
5332038
NONE
07925173
Correspondence name and address
BAKER HUGHES INCORPORATED
ROSA TURNINI
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Assignment: 12
Reel/Frame:006950/0039   Pages: 9
Recorded: 02/07/1994
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Exec Dt:
03/10/1994
Assignee
1
BAKER HUGHES INTEQ, INC.
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4429581
NONE
06267276
Correspondence name and address
SANDRA E. HUGHES
BAKER HUGHES INCORPORATED
PATENT DEPARTMENT
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027

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