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Patent Assignment Assignor Details
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Assignor Name : MAKOHL, FRIEDHELM
Total Assignments: 16
Assignment: 1
Reel/Frame:004161/0231   Pages: 1
Recorded: 08/01/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MAKOHL, FRIEDHELM
Exec Dt:
06/30/1983
Assignee
1
CHRISTENSEN, INC., A UTAH CORP.
SALT LAKE CITY, UTAH
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4485880
NONE
06519296
Correspondence name and address
WALTER FRED
NORTON CO.
1 NEW BOND STREET
WORCESTER, MA 01606
Assignment: 2
Reel/Frame:005852/0748   Pages: 3
Recorded: 09/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JUERGENS, RAINER
Exec Dt:
09/06/1991
2
MAKOHL, FRIEDHELM
Exec Dt:
09/18/1991
Assignee
1
BAKER HUGHES INCORPORATED, A CORP. OF DE
3900 ESSEX LANE SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5205364
NONE
07737771
Correspondence name and address
JOSEPH A. WALKOWSKI
TRASK, BRITT & ROSSA
P.O. BOX 2550
SALT LAKE CITY, UT 84110
Assignment: 3
Reel/Frame:008130/0418   Pages: 10
Recorded: 02/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGE, PHILIP
Exec Dt:
01/31/1996
2
LEROUX, GLENN
Exec Dt:
01/31/1996
3
MAKOHL, FRIEDHELM
Exec Dt:
01/31/1996
4
FONTANA, PETER
Exec Dt:
01/31/1996
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5738173
NONE
08600842
Correspondence name and address
GERALD W. SPINKS
P.O. BOX 10158
COLLEGE STATION, TX 77842-0158
Assignment: 4
Reel/Frame:008819/0273   Pages: 6
Recorded: 11/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGE, PHILIP
Exec Dt:
01/31/1996
2
FONTANA, PETER
Exec Dt:
01/31/1996
3
LEROUX, GLENN
Exec Dt:
01/31/1996
4
MAKOHL, FRIEDHELM
Exec Dt:
01/31/1996
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5875850
NONE
08918609
Correspondence name and address
GERALD W. SPINKS
P.O. BOX 10158
COLLEGE STATION, TEXAS 77842
Assignment: 5
Reel/Frame:008819/0284   Pages: 6
Recorded: 11/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGE, PHILIP
Exec Dt:
01/31/1996
2
FONTANA, PETER
Exec Dt:
01/31/1996
3
LEROUX, GLENN
Exec Dt:
01/31/1996
4
MAKOHL, FRIEDHELM
Exec Dt:
01/31/1996
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5823267
NONE
08915346
Correspondence name and address
GERALD W. SPINKS
P.O. BOX 10158
COLLEGE STATION, TEXAS 77842
Assignment: 6
Reel/Frame:009812/0249   Pages: 6
Recorded: 02/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGE, PHILIP
Exec Dt:
01/31/1996
2
FONTANA, PETER
Exec Dt:
01/31/1996
3
LEROUX, GLENN
Exec Dt:
01/31/1996
4
MAKOHL, FRIEDHELM
Exec Dt:
01/31/1996
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6032744
NONE
09257293
Correspondence name and address
GERALD W. SPINKS
P.O. BOX 10158
COLLEGE STATION, TEXAS 77842-0158
Assignment: 7
Reel/Frame:009026/0107   Pages: 6
Recorded: 03/09/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGE, PHILIP
Exec Dt:
05/14/1997
2
MAKOHL, FRIEDHELM
Exec Dt:
06/17/1997
3
FONTANA, PETER
Exec Dt:
02/06/1998
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5845708
NONE
08825000
Correspondence name and address
GERALD W. SPINKS
P.O. BOX 10158
COLLEGE STATION, TX 77842-0158
Assignment: 8
Reel/Frame:009040/0688   Pages: 4
Recorded: 03/09/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGE, PHILIP
Exec Dt:
07/17/1997
2
MAKOHL, FRIEDHELM
Exec Dt:
07/17/1997
3
FONTANA, PETER
Exec Dt:
02/06/1998
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5845708
NONE
08825000
Correspondence name and address
GERALD W. SPINKS
P.O. BOX 10158
COLLEGE STATION, TEXAS 77842-0158
Assignment: 9
Reel/Frame:009468/0230   Pages: 3
Recorded: 09/18/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAKOHL, FRIEDHELM
Exec Dt:
08/03/1998
2
PUDJIHANTO, SUWARNO
Exec Dt:
08/07/1998
3
VOGT, CARSTEN
Exec Dt:
08/18/1998
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1100
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5845722
NONE
08729226
Correspondence name and address
MADAN & MORRIS
PAUL S. MADAN
2603 AUGUSTA, SUITE 700
HOUSTON, TEXAS 77057-5638
Assignment: 10
Reel/Frame:009820/0686   Pages: 7
Recorded: 03/08/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FINCHER, ROGER
Exec Dt:
02/18/1999
2
WATKINS, LARRY
Exec Dt:
02/18/1999
3
MAKOHL, FRIEDHELM
Exec Dt:
02/16/1999
4
HAHN, DETLEF
Exec Dt:
02/16/1999
Assignee
1
BAKER HUGHES INC.
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6196336
NONE
09205969
Correspondence name and address
MADAN & MORRIS, P.C.
PAUL S. MADAN
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 11
Reel/Frame:009985/0275   Pages: 7
Recorded: 05/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FINCHER, ROGER
Exec Dt:
05/05/1999
2
KRUEGER, VOLKER
Exec Dt:
04/27/1999
3
FONTANA, PETER
Exec Dt:
05/05/1999
4
MAKOHL, FRIEDHELM
Exec Dt:
05/03/1999
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20010045300
09271947
Correspondence name and address
MADAN & MORRIS, P.C.
PAUL S. MADAN
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 12
Reel/Frame:012801/0193   Pages: 3
Recorded: 04/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COON, ROBERT JOE
Exec Dt:
07/15/1999
2
FRANK, TIMOTHY JOHN
Exec Dt:
07/15/1999
3
MAKOHL, FRIEDHELM
Exec Dt:
08/08/2000
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6390201
NONE
09609210
Correspondence name and address
SHELL OIL COMPANY
EUGENE R. MONTALVO
INTELLECTUAL PROPERTY
P.O. BOX 2463, 910 LOUISIANA
HOUSTON, TEXAS 77252-2463
Assignment: 13
Reel/Frame:011670/0712   Pages: 4
Recorded: 03/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAHN, DETLEF
Exec Dt:
02/13/2001
2
MAKOHL, FRIEDHELM
Exec Dt:
02/13/2001
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6419033
NONE
09733220
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
WILLIAM E. SCHMIDT
2603 AUGUSTA, SUITE 700
HOUSTON, TEXAS 77057
Assignment: 14
Reel/Frame:013729/0485   Pages: 3
Recorded: 02/06/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAHN, DETLEF
Exec Dt:
01/06/2003
2
MAKOHL, FRIEDHELM
Exec Dt:
01/06/2003
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030056991
10194929
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
CHANDRAN D. JUMAR
2603 AUGUSTA, SUITE 700
HOUSTON, TEXAS 77057
Assignment: 15
Reel/Frame:013937/0461   Pages: 10
Recorded: 04/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VINCENT, RAY P.
Exec Dt:
03/17/2003
2
KOEHMANN, FRANK
Exec Dt:
03/28/2003
3
GIVENS, GEORGE E.
Exec Dt:
03/17/2003
4
KRAUSS, CHRISTIAAN E.
Exec Dt:
04/01/2003
5
WOOD, EDWARD T.
Exec Dt:
03/19/2003
6
MAKOHL, FRIEDHELM
Exec Dt:
03/25/2003
7
HAUGHTON, DAVID B.
Exec Dt:
03/24/2003
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7234546
US20040003944
10405405
Correspondence name and address
DUANE MORRIE LLP
RICHARD T. REDANO
ONE GREENWAY PLAZA
SUITE 500
HOUSTON, TX 77046
Assignment: 16
Reel/Frame:004704/0347   Pages: 1
Recorded: 04/15/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MAKOHL, FRIEDHELM
Exec Dt:
00/00/0000
Assignee
1
EASTMAN CHRISTENSEN COMPANY, SALT LAKE CITY, UTAH, A CORP. OF UTAH
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4773489
NONE
07038609
Correspondence name and address
BEEHLER, PAVITT, SIEGEMUND, JAGGER,
MARTELLA & DAWES
1100 EQUITABLE PLAZA
3435 WILSHIRE BLVD.
LOS ANGELES, CA 90010-1978

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