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Patent Assignment Assignor Details
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Assignor Name : TRUAX, DAVID
Total Assignments: 18
Assignment: 1
Reel/Frame:007633/0308   Pages: 2
Recorded: 08/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRUAX, DAVID
Exec Dt:
08/15/1995
2
BROWN, ROGER
Exec Dt:
08/15/1995
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5667028
NONE
08518036
Correspondence name and address
CHRISTIE, PARKER & HALE
RICHARD D. SEIBEL
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 2
Reel/Frame:007916/0703   Pages: 3
Recorded: 04/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRUAX, DAVID
Exec Dt:
02/12/1996
2
CARAWAY, DOUGLAS
Exec Dt:
02/29/1996
3
EVANS, STEPHEN M.
Exec Dt:
02/23/1996
Assignee
1
CAMCO DRILLING GROUP LTD. OF HYCALOG
LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5732783
NONE
08584852
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 3
Reel/Frame:008074/0864   Pages: 7
Recorded: 07/08/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MENSA-WILMOT, GRAHAM
Exec Dt:
05/24/1996
2
RAI, GHANSHYAM
Exec Dt:
05/24/1996
3
KESHAVAN, MADAPUSI K.
Exec Dt:
05/24/1996
4
TRUAX, DAVID
Exec Dt:
05/24/1996
5
KEMBAIYAN, KUTTARIPALAYAM T.
Exec Dt:
05/24/1996
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5833021
NONE
08615860
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 4
Reel/Frame:009190/0334   Pages: 4
Recorded: 05/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRUAX, DAVID
Exec Dt:
04/27/1998
2
RAI, GHANSHYAM
Exec Dt:
03/19/1998
3
SOUTHLAND, STEPHEN G.
Exec Dt:
03/19/1998
4
PORTWOOD, GARY R.
Exec Dt:
03/18/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5947216
NONE
08976913
Correspondence name and address
CHRISTIE PARKER & HALE LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 5
Reel/Frame:009271/0344   Pages: 4
Recorded: 06/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRUAX, DAVID
Exec Dt:
06/11/1998
2
CARAWAY, DOUGLAS
Exec Dt:
06/09/1998
3
EVANS, STEPHEN M.
Exec Dt:
05/21/1998
4
MURDOCK, ANDREW
Exec Dt:
05/21/1998
Assignee
1
CAMCO INTERNATIONAL (UK) LIMITED
MONKSTOWN, NEWTOWNABBEY
COUNTY ANTRIM, BELFAST BT370UH, NORTHERN IRELAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5944128
NONE
09019877
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 6
Reel/Frame:009293/0652   Pages: 3
Recorded: 06/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/16/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6202772
NONE
09103824
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 7
Reel/Frame:012625/0536   Pages: 3
Recorded: 02/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/18/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
1670 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6405814
NONE
09693028
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 8
Reel/Frame:012793/0126   Pages: 3
Recorded: 04/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/16/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6991049
US20020079140
10079293
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 9
Reel/Frame:013582/0234   Pages: 3
Recorded: 12/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/16/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030079918
10318734
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 10
Reel/Frame:018402/0775   Pages: 3
Recorded: 10/17/2006
Attorney Dkt #:56281/M277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/16/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7165636
US20060054363
11267644
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 11
Reel/Frame:021328/0886   Pages: 3
Recorded: 08/04/2008
Attorney Dkt #:59172/M277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/16/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7395885
US20070119631
11657198
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 12
Reel/Frame:021337/0115   Pages: 3
Recorded: 08/04/2008
Attorney Dkt #:62458/M277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EYRE, RONALD K.
Exec Dt:
06/16/1998
2
KESHAVAN, MADAPUSI K.
Exec Dt:
06/16/1998
3
TRUAX, DAVID
Exec Dt:
06/19/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7703560
US20090025985
12217706
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 13
Reel/Frame:010088/0431   Pages: 3
Recorded: 06/30/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEATON, TIMOTHY P.
Exec Dt:
06/30/1999
2
TRUAX, DAVID
Exec Dt:
06/30/1999
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6269893
NONE
09345688
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
JONATHAN P. OSHA
700 LOUISIANA, SUITE 4550
HOUSTON, TEXAS 77002
Assignment: 14
Reel/Frame:011034/0664   Pages: 3
Recorded: 08/02/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEATON, TIMOTHY P.
Exec Dt:
06/30/2000
2
TRUAX, DAVID
Exec Dt:
07/05/2000
Assignee
1
SMITH INTERNAITONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6269893
NONE
09345688
Correspondence name and address
ROSENTHAL & OSHA LLP
RICHARD A. FAGIN
700 LOUISIANA, SUITE 4550
HOUSTON, TX 77002
Assignment: 15
Reel/Frame:011240/0379   Pages: 4
Recorded: 11/09/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRUAX, DAVID
Exec Dt:
10/31/2000
2
BEATON, TIMOTHY P.
Exec Dt:
10/17/2000
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6474425
NONE
09619742
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
700 LOUISIANA
SUITE 4550
HOUSTON, TX 77002
Assignment: 16
Reel/Frame:012666/0435   Pages: 3
Recorded: 03/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRUAX, DAVID
Exec Dt:
02/11/2002
2
ROCK, DOUGLAS
Exec Dt:
02/11/2002
3
MENSA-WILMOT, GRAHAM
Exec Dt:
02/11/2002
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030136588
10057771
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
1221 MCKINNEY, SUITE 2800
HOUSTON, TX 77010
Assignment: 17
Reel/Frame:014082/0837   Pages: 4
Recorded: 05/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KESHAVAN, MADAPUSI
Exec Dt:
05/01/2003
2
GRIFFO, ANTHONY
Exec Dt:
05/01/2003
3
TRUAX, DAVID
Exec Dt:
04/28/2003
4
LIANG, DAH-BEN
Exec Dt:
04/28/2003
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7017677
US20040016557
10437750
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 18
Reel/Frame:036183/0174   Pages: 8
Recorded: 07/27/2015
Attorney Dkt #:XTREME-81
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOOD, THOMAS JAMES
Exec Dt:
07/24/2015
2
ROACHELL, ALAN
Exec Dt:
06/29/2015
3
TRUAX, DAVID
Exec Dt:
06/08/2015
4
WOOD, TOM
Exec Dt:
06/23/2015
5
ROWAN, MIKE
Exec Dt:
07/24/2015
Assignee
1
XTREME DRILLING AND COIL SERVICES
340 12TH AVENUE S.W.
CALGARY, CANADA T2R 1L5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150339948
14719482
Correspondence name and address
ERIN J. WERNER
1001 WEST LOOP SOUTH, SUITE 810
HOUSTON, TX 77027

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