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Patent Assignment Assignee Details
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Assignee Name : TRICAN WELL SERVICE LTD.
Total Assignments: 35
Assignment: 1
Reel/Frame:018155/0501   Pages: 5
Recorded: 03/20/2006
Attorney Dkt #:7957.001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TEMPRESS TECHNOLOGIES, INC.
Exec Dt:
11/09/2005
Assignee
1
TRICAN WELL SERVICE LTD.
645 7TH AVENUE, SW
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7677308
US20070062374
11384455
Correspondence name and address
NICHOLAS D. ROUSE
DUNLAP, CODDING & ROGERS, P.C.
P.O. BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 2
Reel/Frame:018075/0781   Pages: 4
Recorded: 07/25/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
06/29/2006
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6904972
US20030168217
10275295
Correspondence name and address
EUGENE F. DERENYI
STIKEMAN ELLIOTT LLP
1600-50 O'CONNOR STREET
OTTAWA, ONTARIO K1P 6L2
Assignment: 3
Reel/Frame:019860/0472   Pages: 6
Recorded: 09/21/2007
Attorney Dkt #:685322.0001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUSTERHOFT, DALE
Exec Dt:
04/03/2007
2
BROWNE, DAVID
Exec Dt:
03/20/2007
3
VAUGHAN, JASON
Exec Dt:
04/03/2007
4
LUK, SAM
Exec Dt:
03/20/2007
5
TULISSI, MICHAEL
Exec Dt:
03/20/2007
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, CANADA ALBERTA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080210424
11780037
Correspondence name and address
LESTER L. HEWITT
1111 LOUISIANA ST.
44TH FLOOR
HOUSTON, TX 77002-5200
Assignment: 4
Reel/Frame:024139/0291   Pages: 3
Recorded: 03/25/2010
Attorney Dkt #:7957.004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
12/13/2007
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7723274
US20070015669
11416704
Correspondence name and address
DUNLAP CODDING, P.C.
P.O. BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 5
Reel/Frame:040747/0481   Pages: 3
Recorded: 12/22/2016
Attorney Dkt #:2885.005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
12/13/2007
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9714371
US20100197526
12759469
Correspondence name and address
DUNLAP CODDING, P.C.
P.O. BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 6
Reel/Frame:024661/0125   Pages: 5
Recorded: 07/09/2010
Attorney Dkt #:STEL-1051940
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOORE, DARYL
Exec Dt:
02/21/2008
2
BROCKLEBANK, TOM
Exec Dt:
02/27/2008
3
SHERMAN, SCOTT
Exec Dt:
02/12/2008
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE, S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8561687
US20090078405
12160058
Correspondence name and address
GORDON & REES LLP
275 BATTERY STREET
SUITE 2000
SAN FRANCISCO, CA 94111
Assignment: 7
Reel/Frame:022325/0226   Pages: 4
Recorded: 02/27/2009
Attorney Dkt #:20043.0001U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, ZEWEI
Exec Dt:
03/03/2008
2
LEE, DARREN K
Exec Dt:
03/05/2008
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100190665
12394921
Correspondence name and address
SMITH FROHWEIN TEMPEL GREENLEE BLAHA, LL
TWO RAVINIA DRIVE
SUITE 700
ATLANTA, GA 30346
Assignment: 8
Reel/Frame:023920/0361   Pages: 4
Recorded: 02/10/2010
Attorney Dkt #:20043.0001U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
03/03/2008
2
LEE, DARREN K
Exec Dt:
03/05/2008
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100190665
12394921
Correspondence name and address
SMITH FROHWEIN TEMPEL GREENLEE BLAHA, LL
TWO RAVINIA DRIVE
SUITE 700
ATLANTA, GA 30346
Assignment: 9
Reel/Frame:027299/0478   Pages: 2
Recorded: 11/30/2011
Attorney Dkt #:P105739US01NJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
04/10/2008
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9139761
US20120071371
13305325
Correspondence name and address
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 10
Reel/Frame:024441/0378   Pages: 3
Recorded: 05/26/2010
Attorney Dkt #:T8800-107045
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
06/24/2008
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100256024
12669178
Correspondence name and address
NICHOLAS J. LANDAU
ONE FEDERAL PLACE
1819 FIFTH AVENUE NORTH
BIRMINGHAM, AL 35203-2119
Assignment: 11
Reel/Frame:025547/0705   Pages: 6
Recorded: 12/21/2010
Attorney Dkt #:P106627US00NJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
05/19/2010
2
WIGGINS, CHRIS
Exec Dt:
05/19/2010
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW
SUITE 2900
CALGARY, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8499835
US20110011589
12664036
Correspondence name and address
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 12
Reel/Frame:025543/0636   Pages: 3
Recorded: 12/21/2010
Attorney Dkt #:P105843US00NJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
11/26/2010
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW
SUITE 2900
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8236738
US20100267593
12597370
Correspondence name and address
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 13
Reel/Frame:031665/0275   Pages: 3
Recorded: 11/25/2013
Attorney Dkt #:P105843US02NJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
11/26/2010
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW
SUITE 2900, CALGARY
ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8800658
US20120267105
13541249
Correspondence name and address
DONITA EVANS
1819 FIFTH AVENUE NORTH
BIRMINGHAM, AL 35203
Assignment: 14
Reel/Frame:039476/0911   Pages: 3
Recorded: 08/18/2016
Attorney Dkt #:P105843US03NJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
11/26/2010
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9523030
US20140243245
14273030
Correspondence name and address
DONITA EVANS
1819 FIFTH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS LLP
BIRMINGHAM, AL 35203
Assignment: 15
Reel/Frame:025903/0019   Pages: 10
Recorded: 03/04/2011
Attorney Dkt #:P100119US00NJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHERMAN, SCOTT
Exec Dt:
02/16/2011
2
PUGH, ROBERT
Exec Dt:
02/16/2011
3
MAJKO, SEAN
Exec Dt:
02/15/2011
4
SCHERSCHEL, STEVE
Exec Dt:
02/15/2011
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW
SUITE 2900
CALGARY, ALBERTA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8863850
US20120111566
12999940
Correspondence name and address
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 16
Reel/Frame:026359/0563   Pages: 3
Recorded: 05/31/2011
Attorney Dkt #:7957.011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
03/14/2011
2
WIGGINS, CHRIS
Exec Dt:
03/14/2011
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120067584
13050661
Correspondence name and address
DUNLAP CODDING, P.C.
P.O. BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 17
Reel/Frame:026142/0984   Pages: 4
Recorded: 04/18/2011
Attorney Dkt #:0T8800301002US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
04/12/2011
2
SHERMAN, SCOTT
Exec Dt:
04/12/2011
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9206659
US20110186297
13021698
Correspondence name and address
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 18
Reel/Frame:029357/0967   Pages: 3
Recorded: 11/27/2012
Attorney Dkt #:7957.012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHERMAN, SCOTT
Exec Dt:
10/26/2011
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W., SUITE 2900
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9458686
US20130206392
13569556
Correspondence name and address
NICHOLAS D. ROUSE
PO BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 19
Reel/Frame:027847/0609   Pages: 3
Recorded: 03/12/2012
Attorney Dkt #:1156-0003US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAKADJIAN, SARKIS R.
Exec Dt:
02/27/2012
2
VENDITTO, JAMES JOSEPH
Exec Dt:
02/27/2012
3
ZAMORA, FRANK
Exec Dt:
02/27/2012
4
POWELL, RONALD JOSEPH
Exec Dt:
02/27/2012
5
THOMPSON, JOSEPH E.
Exec Dt:
02/27/2012
Assignee
1
TRICAN WELL SERVICE LTD.
2900,645 - 7TH AVENUE SW
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130196884
13364156
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 20
Reel/Frame:028226/0426   Pages: 5
Recorded: 05/17/2012
Attorney Dkt #:0T8800301004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
04/03/2012
2
CAO, SHANDONG
Exec Dt:
04/03/2012
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W. SUITE 2900
CALGARY, ALBERTA, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120267112
13392423
Correspondence name and address
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 21
Reel/Frame:028249/0686   Pages: 4
Recorded: 05/22/2012
Attorney Dkt #:1156-0004US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POWELL, RONALD JOSEPH
Exec Dt:
05/18/2012
2
ZAMORA, FRANK
Exec Dt:
05/18/2012
3
KAKADJIAN, SARKIS
Exec Dt:
04/30/2012
Assignee
1
TRICAN WELL SERVICE LTD.
2900,645-7TH AVENUE SW
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130288934
13460133
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 22
Reel/Frame:028434/0577   Pages: 3
Recorded: 06/25/2012
Attorney Dkt #:1156-0006US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAKADJIAN, SARKIS
Exec Dt:
06/09/2012
2
ZAMORA, FRANK
Exec Dt:
06/11/2012
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 654-7TH AVENUE SW
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130327530
13492591
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 23
Reel/Frame:031177/0649   Pages: 3
Recorded: 09/10/2013
Attorney Dkt #:7957.013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BROWNLEE, DUANE KEVIN
Exec Dt:
05/08/2013
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130319656
13878055
Correspondence name and address
NICHOLAS D. ROUSE
P.O. BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 24
Reel/Frame:043573/0750   Pages: 4
Recorded: 09/13/2017
Attorney Dkt #:82805-25 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUKE, KAREN
Exec Dt:
11/07/2014
2
BROWNLEE, DUANE KEVIN
Exec Dt:
11/07/2014
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 645-7 AVE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9809738
US20150122486
14536430
Correspondence name and address
PARLEE MCLAWS LLP
3300, 421-7TH AVE SW
CALGARY, T2P 4K9 CANADA
Assignment: 25
Reel/Frame:035188/0782   Pages: 3
Recorded: 03/18/2015
Attorney Dkt #:7957.014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
03/02/2015
2
LIU, SHANGYING
Exec Dt:
03/02/2015
3
CAO, SHANDONG
Exec Dt:
03/02/2015
Assignee
1
TRICAN WELL SERVICE LTD.
645-7TH AVENUE
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150252254
14641098
Correspondence name and address
DUNLAP CODDING, P.C.
P.O. BOX 16370
OKLAHOMA CITY, OK 73113-2370
Assignment: 26
Reel/Frame:037001/0172   Pages: 4
Recorded: 11/10/2015
Attorney Dkt #:2805-064 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KEWEI
Exec Dt:
10/28/2015
2
HEIDLAS, JULIUS XAVER
Exec Dt:
10/28/2015
3
WANG, CHUANZHONG
Exec Dt:
10/28/2015
4
LU, WEIBING
Exec Dt:
10/28/2015
Assignee
1
TRICAN WELL SERVICE LTD.
SUITE #2900, 645-7TH AVENUE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160017213
14801619
Correspondence name and address
SEAN W GOODWIN
222-602 12TH AVE. S.W.
CALGARY, T2R1J3 CANADA
Assignment: 27
Reel/Frame:037000/0375   Pages: 3
Recorded: 11/10/2015
Attorney Dkt #:2805-063 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, CHUANZHONG
Exec Dt:
11/04/2015
2
ZHANG, KEWEI
Exec Dt:
11/05/2015
3
LU, WEIBING
Exec Dt:
11/05/2015
Assignee
1
TRICAN WELL SERVICE LTD.
SUITE #2900, 645-7TH AVENUE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9932514
US20150307772
14696125
Correspondence name and address
SEAN W GOODWIN
222-602 12TH AVE. S.W.
CALGARY, T2R1J3 CANADA
Assignment: 28
Reel/Frame:037953/0440   Pages: 4
Recorded: 03/11/2016
Attorney Dkt #:82805-065 US
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignors
1
FARION, GRANT
Exec Dt:
01/08/2016
2
ZHANG, KEWEI
Exec Dt:
01/08/2016
3
BURVILL, MIKE
Exec Dt:
01/11/2016
Assignee
1
TRICAN WELL SERVICE LTD.
SUITE 2900, 645 - 7 AVENUE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160200965
14993030
Correspondence name and address
PARLEE MCLAWS LLP (CGY)
3300, 421 - 7 AVENUE SW
CALGARY, T2P 4K9 CANADA
Assignment: 29
Reel/Frame:039621/0244   Pages: 2
Recorded: 09/02/2016
Attorney Dkt #:82805-019 US/SWG
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHERMAN, SCOTT
Exec Dt:
08/30/2016
Assignee
1
TRICAN WELL SERVICE LTD.
645 - 7TH AVENUE SW
SUITE 2900
CALGARY, ALBERTA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170107793
15123225
Correspondence name and address
SEAN W. GOODWIN
421 - 7 AVENUE SW
3300 TD CANADA TRUST TOWER
CALGARY, ABC T2P 4K9
Assignment: 30
Reel/Frame:042175/0836   Pages: 3
Recorded: 04/28/2017
Attorney Dkt #:82805-71 US/SWG
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
AHMS INC.
Exec Dt:
02/08/2017
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 645-7TH AVENUE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170227002
15427903
Correspondence name and address
PARLEE MCLAWS LLP
3300, 421-7TH AVENUE SW
CALGARY, T2P 4K9 CANADA
Assignment: 31
Reel/Frame:042175/0907   Pages: 4
Recorded: 04/28/2017
Attorney Dkt #:82805-71 US/SWG
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIKULSKI, BEN
Exec Dt:
03/24/2017
2
LUFT, DONALD R.
Exec Dt:
03/20/2017
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 645-7TH AVENUE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170227002
15427903
Correspondence name and address
PARLEE MCLAWS LLP
3300, 421-7TH AVENUE SW
CALGARY, T2P 4G8 CANADA
Assignment: 32
Reel/Frame:044627/0351   Pages: 4
Recorded: 01/16/2018
Attorney Dkt #:1906.007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CANYON TECHNICAL SERVICES LTD.
Exec Dt:
11/30/2017
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 645-7TH AVENUE SW
CALGARY, ALBERTA, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7875574
US20090107672
12258810
Correspondence name and address
MICHAEL J. GRATZ
840 NORTH PLANKINTON AVENUE
MILWAUKEE, WI 53203
Assignment: 33
Reel/Frame:045352/0342   Pages: 3
Recorded: 03/26/2018
Attorney Dkt #:312360-01101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHANG, KEWEI
Exec Dt:
03/21/2018
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 645-7TH AVENUE S.W.
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180265773
15921179
Correspondence name and address
BLANK ROME LLP
717 TEXAS AVENUE
SUITE 1400
HOUSTON, TX 77002
Assignment: 34
Reel/Frame:048896/0989   Pages: 8
Recorded: 04/16/2019
Attorney Dkt #:312360-01001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, CHUANZHONG
Exec Dt:
03/29/2019
2
QUINTERO, HARVEY
Exec Dt:
03/29/2019
3
O'NEIL, BILL
Exec Dt:
04/01/2019
4
ZHANG, KEWEI
Exec Dt:
04/10/2019
5
SESSAREGO, SEBASTIAN
Exec Dt:
04/12/2019
Assignee
1
TRICAN WELL SERVICE LTD.
2900, 645-7TH AVENUE S.W.
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11236258
US20190218438
16247240
Correspondence name and address
BLANK ROME LLP - HOUSTON GENERAL
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 35
Reel/Frame:053193/0306   Pages: 6
Recorded: 07/13/2020
Attorney Dkt #:78457-1
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLSON, GARNET
Exec Dt:
07/11/2019
2
BATES, GLYNN
Exec Dt:
07/22/2019
3
REESE, DARRYL
Exec Dt:
07/12/2019
Assignee
1
TRICAN WELL SERVICE LTD.
SUITE 2900, 645-7 AVE SW
CALGARY, CANADA T2P 4G8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210009404
16926464
Correspondence name and address
PARLEE MCLAWS LLP
3300, 421-7 AVE SW
CALGARY, T2P 4K9 CANADA

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