skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : NATIONAL-OILWELL
Total Assignments: 8
Assignment: 1
Reel/Frame:004832/0875   Pages: 1
Recorded: 12/23/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DINSDALE, MICHAEL C.
Exec Dt:
12/11/1987
Assignee
1
NATIONAL-OILWELL
950 CORBINDALE & KATY FREEWAY
A GENERAL PARTNERSHIP OF DE.
HOUSTON, TEXAS 77210
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4843945
NONE
07023385
 
4843945
NONE
07023385
Correspondence name and address
ROYLANCE, ABRAMS, BERDO AND GOODMAN
1225 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036-2680
Assignment: 2
Reel/Frame:004893/0222   Pages: 2
Recorded: 03/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FORD, DAVID B.
Exec Dt:
02/11/1988
2
LYNCH, JAMES E.
Exec Dt:
02/10/1988
3
RATEIKE, LEROY R.
Exec Dt:
02/18/1988
Assignee
1
NATIONAL-OILWELL
950 CORBINDALE & KATY FREEWAY
A PARTNERSHIP OF DE
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4877093
NONE
07163583
Correspondence name and address
ARMOC INC.
LAW DEPT.,
703 CURTIS STREET
MIDDLETOWN, OH 45043
Assignment: 3
Reel/Frame:005341/0949   Pages: 2
Recorded: 06/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DINSDALE, MICHAEL C.
Exec Dt:
06/11/1990
Assignee
1
NATIONAL-OILWELL
5555 SAN FELIPE
A GENERAL PARTNERSHIP OF DE
HOUSTON, TEXAS 77056-2726
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5038871
NONE
07538634
Correspondence name and address
ARMCO INC.
LAW DEPT.
680 CURTIS ST.
MIDDLETOWN, OH 45043
Assignment: 4
Reel/Frame:005991/0817   Pages: 2
Recorded: 01/06/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CAULFIELD, JOHN K.
Exec Dt:
01/02/1992
Assignee
1
NATIONAL-OILWELL
A GENERAL PARTNERSHIP OF DE
5555 SAN FELIPE HOUSTON, TEXAS 77056-2726
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5246075
NONE
07817230
Correspondence name and address
ARMCO INC.
INTELLECTUAL PROP. SECTION
705 CURTIS STREET
801 BUILDING
MIDDLETOWN, OH 45043
Assignment: 5
Reel/Frame:006718/0678   Pages: 3
Recorded: 09/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER, WILLIAM J.
Exec Dt:
09/22/1993
Assignee
1
NATIONAL-OILWELL
555 SAN FELIPE
HOUSTON, TEXAS 77056-2726
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5346178
NONE
08127983
Correspondence name and address
ROBERT J. BUNYARD
ARMCO RESEARCH & TECHNOLOGY
INTELLECTUAL PROPERTY SECTION
705 CURTIS STREET
MIDDLETOWN, OH 45044-3999
Assignment: 6
Reel/Frame:006781/0662   Pages: 4
Recorded: 11/29/1993
Conveyance: NONEXCLUSIVE PATENT LICENSE
Assignor
1
WHITE ROCK ENGINEERING, INC.
Exec Dt:
11/18/1993
Assignee
1
NATIONAL-OILWELL
5555 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4032265
NONE
05489971
Correspondence name and address
KONNEKER, BUSH & HITT, P.C.
DAVID H. HITT, ESQ.
921 NATIONSBANK PLANO TOWER
101 E. PARK BOULEVARD
PLANO, TEXAS 75074-5479
Assignment: 7
Reel/Frame:006952/0762   Pages: 18
Recorded: 04/21/1994
Conveyance: RELEASE OF SECURITY INTEREST AND COLLATERAL REASSIGNMENT.
Assignor
1
CITICORP USA, INC., AS U.S. COLLATERAL AGENT
Exec Dt:
01/31/1994
Assignee
1
NATIONAL-OILWELL
5555 SAN FELIPE
HOUSTON,, TEXAS 77056
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4040264
NONE
05635843
 
4036295
NONE
05679226
 
4081174
NONE
05764379
 
4146209
NONE
05858671
 
4192383
NONE
05902255
 
4167970
NONE
05915829
 
4167971
NONE
05915830
 
4181331
NONE
05915902
 
4209191
NONE
05915903
 
4199847
NONE
06007049
 
4211281
NONE
06014036
 
4284142
NONE
06036658
 
4252187
NONE
06036660
 
4262748
NONE
06067733
 
4289206
NONE
06067745
 
4269268
NONE
06076185
 
4340117
NONE
06120044
 
4317587
NONE
06120045
 
4319773
NONE
06120046
 
4298064
NONE
06120047
 
4300750
NONE
06120048
 
4290483
NONE
06120052
 
4333531
NONE
06120695
 
4300637
NONE
06120696
 
4298067
NONE
06120851
 
4451056
NONE
06170970
 
4429902
NONE
06188584
 
4432670
NONE
06192739
 
4319637
NONE
06204938
 
4408932
NONE
06221398
 
4449583
NONE
06304078
 
4746246
NONE
06311261
 
4421164
NONE
06316395
 
4460042
NONE
06316397
 
4472080
NONE
06326328
 
4490073
NONE
06326329
 
4422618
NONE
06326331
 
4472081
NONE
06326333
 
4445807
NONE
06328791
 
4443130
NONE
06330671
 
4427072
NONE
06380910
 
4451170
NONE
06404812
 
4439068
NONE
06422091
 
4460047
NONE
06422092
 
4438817
NONE
06426695
 
4550782
NONE
06446995
 
4528738
NONE
06572916
 
4557628
NONE
06594418
 
4583746
NONE
06665659
 
4797029
NONE
06934285
 
4697828
NONE
06935462
 
4809733
NONE
07041269
 
4852611
NONE
07097490
 
5082060
NONE
07464809
 
5062667
NONE
07467600
 
5081909
NONE
07554058
 
5129311
NONE
07554060
 
5149143
NONE
07698359
 
5127478
NONE
07753013
 
5246075
NONE
07817230
Correspondence name and address
JOHN R. CASPERSON
BUSKOP LAW GROUP
1818 MEMORIAL
HOUSTON, TX 77007
Assignment: 8
Reel/Frame:007618/0695   Pages: 3
Recorded: 07/26/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CORDEA, JAMES N.
Exec Dt:
07/26/1995
2
SHETH, HARSHAD V.
Exec Dt:
07/26/1995
Assignee
1
NATIONAL-OILWELL
5555 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5599497
NONE
08507630
Correspondence name and address
LARRY A. FILNOW
ARMCO INC., RESEARCH & TECHNOLOGY
INTELLECTUAL PROPERTY SECTION
705 CURTIS STREET
MIDDLETOWN, OH 45044-3999

Search Results as of: 06/19/2024 04:34 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT