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Patent Assignment Assignor Details
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Assignor Name : MACLEOD, IAIN
Total Assignments: 10
Assignment: 1
Reel/Frame:019553/0569   Pages: 3
Recorded: 07/06/2007
Attorney Dkt #:36290-0497-00-us(407005)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PURKIS, DANIEL
Exec Dt:
06/25/2007
2
MACLEOD, IAIN
Exec Dt:
06/25/2007
3
REID, STEPHEN
Exec Dt:
06/25/2007
Assignee
1
PETROWELL LIMITED
KIRKTON AVENUE
PITMEDDEN ROAD INDUSTRIAL ESTATE
DYCE, ABERDEEN AB21 OBF, UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080128168
11794845
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ROBERT E. CANNUSCIO, ESQ.
ONE LOGAN SQUARE
18TH & CHERRY STREETS
PHILADELPHIA, PA 19103-6996
Assignment: 2
Reel/Frame:022041/0214   Pages: 3
Recorded: 12/30/2008
Attorney Dkt #:PETR104NUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACLEOD, IAIN
Exec Dt:
10/02/2008
2
REID, STEVE
Exec Dt:
10/02/2008
Assignee
1
PETROWELL LIMITED
NEWTON ROAD, KIRKHILL, DYCE
ABERDEEN, UNITED KINGDOM AB21 OBF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9194213
US20080156500
11909820
Correspondence name and address
STEPHEN M. NIPPER
PO BOX 877
BOISE, ID 83701
Assignment: 3
Reel/Frame:022826/0047   Pages: 5
Recorded: 06/15/2009
Attorney Dkt #:PETR105NUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERCER, LEE
Exec Dt:
05/29/2009
2
MACLEOD, IAIN
Exec Dt:
05/29/2009
Assignee
1
PETROWELL LIMITED
KIRKTON AVENUE
PITMEDDEN ROAD INDUSTRIAL ESTATE, DYCE
ABERDEEN, UNITED KINGDOM AB21 0BF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8651178
US20090308592
12294078
Correspondence name and address
DYKAS, SHAVER & NIPPER, LLP
P.O. BOX 877
BOISE, ID 83701-0877
Assignment: 4
Reel/Frame:025130/0139   Pages: 3
Recorded: 10/13/2010
Attorney Dkt #:1158-008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACLEOD, IAIN
Exec Dt:
09/24/2010
Assignee
1
PETROWELL LTD.
KIRKTON AVENUE, PITMEDDEN ROAD INDUSTRIAL ESTATE
DYCE, ABERDEEN, UNITED KINGDOM AB210BF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8555964
US20110042106
12743505
Correspondence name and address
STEPHEN M. NIPPER
PO BOX 700
PERRYSBURG, OH 43552
Assignment: 5
Reel/Frame:026701/0671   Pages: 2
Recorded: 08/04/2011
Attorney Dkt #:139613-12
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACLEOD, IAIN
Exec Dt:
07/15/2011
2
ELRICK, ANDREW
Exec Dt:
07/15/2011
Assignee
1
PETROWELL LIMITED
KIRKTON AVENUE
PITMEDDEN ROAD INDUSTRIAL ESTATE
DYCE ABERDEEN, UNITED KINGDOM AB21 0BF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9890614
US20110284208
13145473
Correspondence name and address
CHRISTOPHER A. MITCHELL
301 E. LIBERTY, STE. 500
ANN ARBOR, MI 48104
Assignment: 6
Reel/Frame:046839/0056   Pages: 2
Recorded: 09/11/2018
Attorney Dkt #:205-0405USD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACLEOD, IAIN
Exec Dt:
07/27/2011
2
ELRICK, ANDREW
Exec Dt:
07/15/2011
Assignee
1
PETROWELL LTD
KIRKTON AVENUE
PITMEDDEN ROAD INDUSTRIAL ESTATE
DYCE ABERDEEN, UNITED KINGDOM AB21 0BF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10267121
US20160251921
15018770
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 7
Reel/Frame:031658/0068   Pages: 3
Recorded: 11/22/2013
Attorney Dkt #:205-0411USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACLEOD, IAIN
Exec Dt:
11/20/2013
Assignee
1
PETROWELL LIMITED
WEATHERFORD CENTRE, SOUTERHEAD ROAD
ALTENS INDUSTRIAL ESTATE
ABERDEEN, UNITED KINGDOM AB12 3LF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8919437
US20140014370
14027444
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 8
Reel/Frame:043724/0701   Pages: 3
Recorded: 09/28/2017
Attorney Dkt #:205-0411USC2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MACLEOD, IAIN
Exec Dt:
11/20/2013
Assignee
1
PETROWELL LIMITED
WEATHERFORD CENTRE, SOUTERHEAD ROAD
ALTENS INDUSTRIAL ESTATE
ABERDEEN, UNITED KINGDOM AB12 3LF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9932779
US20150122509
14580398
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:032401/0478   Pages: 4
Recorded: 03/11/2014
Attorney Dkt #:WEAT/1174US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAZAREV, ALEXANDER A.
Exec Dt:
02/21/2014
2
ODELL, ALBERT C., II
Exec Dt:
02/21/2014
3
MACLEOD, IAIN
Exec Dt:
03/06/2014
4
RADUCANU, MARIUS
Exec Dt:
02/21/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150090494
14067676
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 10
Reel/Frame:041266/0482   Pages: 5
Recorded: 02/15/2017
Attorney Dkt #:WEAT/1174USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAZAREV, ALEXANDER A.
Exec Dt:
02/21/2014
2
ODELL, ALBERT C., II
Exec Dt:
02/21/2014
3
MACLEOD, IAIN
Exec Dt:
03/06/2014
4
RADUCANU, MARIUS
Exec Dt:
02/21/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10900350
US20170159363
15433729
Correspondence name and address
JASON C. HUANG
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046

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