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Patent Assignment Assignor Details
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Assignor Name : MACKAY, ALEXANDER CRAIG
Total Assignments: 24
Assignment: 1
Reel/Frame:013724/0747   Pages: 3
Recorded: 09/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
07/13/2001
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
07/13/2001
Assignee
1
WEATHERFORD/LAMB, INC.
1013 CENTRE ROAD
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020007950
09910644
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TEXAS 77056
Assignment: 2
Reel/Frame:012639/0380   Pages: 6
Recorded: 02/25/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAN, KHAI
Exec Dt:
02/06/2002
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
01/18/2002
3
MAGUIRE, PATRICK G.
Exec Dt:
01/21/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030075340
10003721
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 3
Reel/Frame:012833/0852   Pages: 3
Recorded: 04/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
04/08/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6655459
US20030019639
09918002
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 4
Reel/Frame:017250/0255   Pages: 3
Recorded: 03/03/2006
Attorney Dkt #:WEAT/0135.C2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
04/08/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7219745
US20060124319
11295678
Correspondence name and address
PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 5
Reel/Frame:020619/0250   Pages: 3
Recorded: 03/08/2008
Attorney Dkt #:WEAT/0135.C3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
04/08/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7481272
US20070261846
11751276
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 6
Reel/Frame:013175/0108   Pages: 3
Recorded: 08/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL ANDREW
Exec Dt:
06/27/2002
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
06/16/2002
3
HOSIE, DAVID GRAHAM
Exec Dt:
07/16/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6896052
US20020189696
10146357
Correspondence name and address
MOSER PATTERSON & SHERIDAN
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 7
Reel/Frame:013141/0245   Pages: 3
Recorded: 07/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
07/01/2002
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
07/16/2002
Assignee
1
WEATHERFORD/LAMB, INC.
SUITE 600
515 POST OAK BOULEVARD
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020175474
10102543
Correspondence name and address
MOSER, PATTERSON, SHERIDAN, LLP
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 8
Reel/Frame:013631/0040   Pages: 9
Recorded: 01/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAGUIRE, PATRICK G.
Exec Dt:
10/22/2002
2
TRAN, KHAI
Exec Dt:
12/20/2002
3
MACKAY, ALEXANDER CRAIG
Exec Dt:
10/22/2002
4
MURRAY, MARK J.
Exec Dt:
10/17/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6820687
US20040040721
10234058
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 9
Reel/Frame:014295/0336   Pages: 3
Recorded: 07/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
01/09/2003
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
12/12/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7077210
US20040055754
10616061
Correspondence name and address
MOSER, PATTERSON, SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 10
Reel/Frame:014284/0775   Pages: 3
Recorded: 06/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
04/18/2003
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
03/21/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7073602
US20040020661
10333424
Correspondence name and address
MOSER, PATTERSON, SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 11
Reel/Frame:014288/0519   Pages: 3
Recorded: 01/23/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
03/23/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD., SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7140444
US20040134668
10744852
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, LLP
WILLIAM B. PATTERSON
3040 POST OAK BLVD, SUITE 1500
HOUSTON, TX 77056
Assignment: 12
Reel/Frame:014940/0460   Pages: 3
Recorded: 08/04/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRINDER, DUNCAN JAMES
Exec Dt:
03/25/2003
2
SIMPSON, NEIL A. A.
Exec Dt:
03/30/2003
3
NICOLL, JOHN STACHAN
Exec Dt:
03/26/2003
4
MACKAY, GRAHAM
Exec Dt:
05/01/2003
5
MACKAY, ALEXANDER CRAIG
Exec Dt:
03/28/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7322420
US20040163823
10787993
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056-6582
Assignment: 13
Reel/Frame:015525/0126   Pages: 3
Recorded: 06/24/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRINDER, DUNCAN JAMES
Exec Dt:
04/02/2003
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
03/28/2003
3
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
05/28/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7377325
US20050183864
10877319
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, LLP
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 14
Reel/Frame:015947/0073   Pages: 3
Recorded: 03/19/2004
Attorney Dkt #:MRKS/0132
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
04/18/2003
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
03/31/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7140442
US20050039926
10490242
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, LLP
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 15
Reel/Frame:014742/0574   Pages: 11
Recorded: 11/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL A.A.
Exec Dt:
10/14/2003
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
10/13/2003
3
HOSIE, DAVID GRAHAM
Exec Dt:
11/02/2003
4
WHANGER, KEN
Exec Dt:
10/06/2003
5
BADRAK, ROBERT
Exec Dt:
09/24/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7172027
US20040065445
10458063
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 16
Reel/Frame:015391/0409   Pages: 7
Recorded: 11/24/2004
Attorney Dkt #:CRUI/0006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COWMAN, ROBERT
Exec Dt:
10/25/2004
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
10/26/2004
3
SIMPSON, NEIL ANDREW ABERCROMBIE
Exec Dt:
11/03/2004
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD.
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7370708
US20050057005
10902694
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056-6582
Assignment: 17
Reel/Frame:015689/0453   Pages: 4
Recorded: 02/16/2005
Attorney Dkt #:MRKS/0064.P1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPSON, NEIL A.A.
Exec Dt:
02/02/2005
2
MACKAY, ALEXANDER CRAIG
Exec Dt:
01/23/2005
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7367404
US20050127673
10990331
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056-6582
Assignment: 18
Reel/Frame:017409/0846   Pages: 3
Recorded: 12/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
12/03/2005
2
FRASER, SIMON
Exec Dt:
12/05/2005
3
HEWSON, JAMES ADAM
Exec Dt:
12/02/2005
Assignee
1
TECHNOLOGY VENTURES INTERNATIONAL, LTD.
SUITE D, 1 ST. SWITHENS ROW
ABERDEEN, UNITED KINGDOM AB10 6DL
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7484573
US20060219440
11314995
Correspondence name and address
CHRISTOPHER L. MAKAY
1634 MILAM BUILDING
115 EAST TRAVIS STREET
SAN ANTONIO, TX 78205
Assignment: 19
Reel/Frame:018981/0962   Pages: 5
Recorded: 03/08/2007
Attorney Dkt #:5516.316001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
02/14/2007
2
ESPIRITU, GEORGE ARMANDO
Exec Dt:
02/01/2007
3
DEWEY, CHARLES H.
Exec Dt:
02/01/2007
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7757787
US20070163809
11669593
Correspondence name and address
JEFFREY S. BERGMAN
1221 MCKINNEY STREET, SUITE 2800
HOUSTON, TX 77010
Assignment: 20
Reel/Frame:053590/0920   Pages: 2
Recorded: 08/25/2020
Attorney Dkt #:P15109WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
05/09/2019
Assignee
1
DOWNHOLE PRODUCTS LIMITED
BADENTOY ROAD
BADENTOY PARK
ABERDEEN, UNITED KINGDOM AB12 4YA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11486228
US20200408068
16975536
Correspondence name and address
KENYON RIPPLE
4730 CONSULATE PLAZA DRIVE, SUITE 190
HOUSTON, TX 77032
Assignment: 21
Reel/Frame:053591/0112   Pages: 2
Recorded: 08/25/2020
Attorney Dkt #:P15109US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
05/09/2019
Assignee
1
DOWNHOLE PRODUCTS LIMITED
BADENTOY ROAD
BADENTOY PARK
ABERDEEN, UNITED KINGDOM AB12 4YA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11486228
US20200408068
16975536
Correspondence name and address
KENYON RIPPLE
4730 CONSULATE PLAZA DRIVE, SUITE 190
HOUSTON, TX 77032
Assignment: 22
Reel/Frame:054136/0781   Pages: 2
Recorded: 10/22/2020
Attorney Dkt #:P15110US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
10/19/2020
Assignee
1
DOWNHOLE PRODUCTS LIMITED
4730 CONSULATE PLAZA DRIVE, SUITE 190
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11203902
US20210246730
17049246
Correspondence name and address
VAREL INTELLECTUAL PROPERTY
4730 CONSULATE PLAZA DRIVE
SUITE 190
HOUSTON, TX 77032
Assignment: 23
Reel/Frame:054932/0470   Pages: 3
Recorded: 01/15/2021
Attorney Dkt #:MAC01-012-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
01/08/2021
Assignee
1
ENGINEERING INNOVATION & DESIGN LIMITED
36 ROSEHILL DRIVE
ABERDEEN, UNITED KINGDOM AB24 4JQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11788360
US20210189803
17051674
Correspondence name and address
KLINTWORTH & ROZENBLAT IP LLP
19 NORTH GREEN STREET
CHICAGO, IL 60607
Assignment: 24
Reel/Frame:055010/0629   Pages: 3
Recorded: 01/15/2021
Attorney Dkt #:MAC01-013-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACKAY, ALEXANDER CRAIG
Exec Dt:
01/08/2021
Assignee
1
ENGINEERING INNOVATION & DESIGN LIMITED
36 ROSEHILL DRIVE
ABERDEEN, GREAT BRITAIN AB24 4JQ
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210222499
17051695
Correspondence name and address
KLINTWORTH & ROZENBLAT IP LLP
19 NORTH GREEN STREET
CHICAGO, IL 60607

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