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Patent Assignment Assignee Details
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Assignee Name : WENZEL DOWNHOLE TOOLS LTD.
Total Assignments: 13
Assignment: 1
Reel/Frame:009764/0081   Pages: 5
Recorded: 02/22/1999
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
MASTER DOWNHOLE CANADA INC.
Exec Dt:
12/08/1997
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
5905 - 86 STREET
EDMONTON, ALBERTA, CANADA T6E 2
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5101914
NONE
07606723
 
5150972
NONE
07766016
 
5350242
NONE
08079108
 
5547032
NONE
08370163
Correspondence name and address
DOUGLAS B. THOMPSON
#103, 10328 - 81 AVENUE
EDMONTON, ALBERTA, CANADA T6E 1X2
Assignment: 2
Reel/Frame:009771/0700   Pages: 4
Recorded: 02/19/1999
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
MASTER DOWNHOLE CANADA INC.
Exec Dt:
02/25/1998
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
5905 - 86 STREET
EDMONTON, ALBERTA, CANADA T6E 2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5964307
NONE
08879766
Correspondence name and address
ANTHONY R. LAMBERT
#103, 10328 - 81 AVENUE
EDMONTON, ALBERTA, CANADA T6E 1X2
Assignment: 3
Reel/Frame:010442/0115   Pages: 3
Recorded: 12/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHERRY, DONALD EARL
Exec Dt:
11/29/1999
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
#1405, 505-6TH STREET S.W.
CALGARY, ALBERTA T2P 1X5, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6220372
NONE
08985085
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
HARRY B. SHUBIN
ARLINGTON COURT PLAZA I, SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 4
Reel/Frame:015676/0280   Pages: 3
Recorded: 02/11/2005
Attorney Dkt #:49490-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CN & LT CONSULTING LTD.
Exec Dt:
11/25/2002
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
3115-93 STREET
EDMONTON, CANADA T6N 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6416225
NONE
09696679
Correspondence name and address
BENNETT JONES
C/O MS ROSEANN CALDWELL
4500 BANKERS HALL EAST
855 - 2ND STREET, SW
CALGARY, AB CANADA T2P 4K7
Assignment: 5
Reel/Frame:014842/0304   Pages: 2
Recorded: 12/22/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CIOCEANU, NICU VALENTIN
Exec Dt:
12/16/2003
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
5905 - 86 STREET
EDMONTON, ALBERTA T6E 2X5, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040089461
10622851
Correspondence name and address
CHRISTENSEN O'CONNOR JOHNSON, ET AL.
KEVAN L. MORGAN, ESQ.
1420 FIFTH AVENUE, SUITE 2800
SEATTLE, WA 98101-2347
Assignment: 6
Reel/Frame:018518/0627   Pages: 2
Recorded: 11/14/2006
Attorney Dkt #:LAMA128152
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WENZEL, WILLIAM R
Exec Dt:
10/27/2006
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
3115 - 93 STREET NW
EDMONTON, ALBERTA, CANADA T6N 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7635224
US20070071373
11525192
Correspondence name and address
KEVAN L. MORGAN, ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1420 FIFTH AVENUE, SUITE 2800
SEATTLE, WA 98101-2347
Assignment: 7
Reel/Frame:019550/0296   Pages: 2
Recorded: 07/13/2007
Attorney Dkt #:544-19US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WENZEL, WILLIAM R.
Exec Dt:
07/05/2007
2
RONAGHAN, DARYL A.
Exec Dt:
07/05/2007
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
3115 93 STREET NW
EDMONTON, ALBERTA, CANADA T6N 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7186182
US20050272507
11119198
Correspondence name and address
DOUGLAS B. THOMPSON
10328 - 81 AVENUE NW
SUITE 200
EDMONTON, T6E 1X2 CANADA
Assignment: 8
Reel/Frame:028900/0297   Pages: 3
Recorded: 09/05/2012
Attorney Dkt #:544-14
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JOHNSON, ORREN
Exec Dt:
08/27/2012
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
SUITE 1000, 717 - 7TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 0Z3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7717472
US20080012317
11671992
 
NONE
US20080303275
12133341
 
NONE
US20090196541
12363428
 
8360109
US20100065143
12559842
Correspondence name and address
NATHAN WOODRUFF
200, 10328 - 81 AVENUE NW
EDMONTON, ALBERTA, T6E 1X2 CANADA
Assignment: 9
Reel/Frame:028900/0870   Pages: 4
Recorded: 09/05/2012
Attorney Dkt #:544-14
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JOHNSON, ORREN
Exec Dt:
08/27/2012
Assignees
1
JOHNSON, ORREN
6904 - 41 A AVENUE
EDMONTON, ALBERTA, CANADA T6K 0S9
2
WENZEL DOWNHOLE TOOLS LTD.
SUITE 1000, 717 - 7TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 0Z3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8157025
US20090288885
12467129
Correspondence name and address
NATHAN WOODRUFF
200, 10328 - 81 AVENUE NW
EDMONTON, ALBERTA, T6E 1X2 CANADA
Assignment: 10
Reel/Frame:029323/0593   Pages: 4
Recorded: 11/19/2012
Attorney Dkt #:544-16USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WENZEL, WILLIAM R
Exec Dt:
11/16/2012
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
3115 - 93 STREET NW
EDMONTON, ALBERTA, CANADA T6N 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7299886
US20060191720
11353865
Correspondence name and address
NATHAN WOODRUFF
200, 10328 - 81 AVENUE NW
EDMONTON, ALBERTA, T6E 1X2 CANADA
Assignment: 11
Reel/Frame:029752/0697   Pages: 4
Recorded: 02/05/2013
Attorney Dkt #:544-14 (21US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WENZEL, ROBERT
Exec Dt:
01/28/2013
2
WENZEL, WILLIAM R
Exec Dt:
01/28/2013
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
3115 - 93 STREET NW
EDMONTON, ALBERTA, CANADA T6N 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7308956
US20060278432
11230362
Correspondence name and address
NATHAN WOODRUFF
200, 10328 - 81 AVENUE NW
EDMONTON, ALBERTA, T6E 1X2 CANADA
Assignment: 12
Reel/Frame:031442/0872   Pages: 3
Recorded: 10/21/2013
Attorney Dkt #:544-29CA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JOHNSON, ORREN
Exec Dt:
10/10/2013
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
SUITE 1000, 717-7TH AVENUE S.W.
CALGARY, CANADA T2P0Z3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8157025
US20090288885
12467129
Correspondence name and address
ORREN JOHNSON
SUITE 1000, 717-7TH AVENUE S.W.
CALGARY, T2P0Z3 CANADA
Assignment: 13
Reel/Frame:037122/0056   Pages: 5
Recorded: 11/23/2015
Attorney Dkt #:GOWL141025
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JOHNSON, ORREN
Exec Dt:
11/09/2015
Assignee
1
WENZEL DOWNHOLE TOOLS LTD.
3115 - 93 STREET N.W.
EDMONTON, CANADA T6N 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9388652
US20130248253
13850086
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101

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