skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : PURE TECHNOLOGIES LTD.
Total Assignments: 23
Assignment: 1
Reel/Frame:010164/0264   Pages: 12
Recorded: 08/17/1999
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
PURE TECHNOLOGIES INC.
Exec Dt:
06/14/1999
Assignee
1
PURE TECHNOLOGIES LTD.
1050, 340 - 12TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2R 1
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5798457
NONE
08467666
 
5633467
NONE
08556936
 
6082193
NONE
08838849
 
6170334
NONE
09119064
Correspondence name and address
BLAKE CASSELS & GRAYDON
GEORGE E. FISH
WORLD EXCHANGE PLAZA
20TH FLOOR, 45 O'CONNOR STREET
OTTAWA, ONTARIO K1P 1A4 CANADA
Assignment: 2
Reel/Frame:013643/0219   Pages: 5
Recorded: 01/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAULSON, PETER O.
Exec Dt:
10/22/2002
2
MCINTYRE, JOHN
Exec Dt:
10/22/2002
3
MITCHELL, KEVIN
Exec Dt:
09/24/2002
Assignee
1
PURE TECHNOLOGIES LTD.
CALGARY, ALBERTA
3RD FLOOR, 705-11TH AVENUE S.W., CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6791318
US20030164698
10221998
Correspondence name and address
TERRY L. LEIER
BLAKE, CASSELS & GRAYDON LLP
WORLD EXCHANGE PLAZA
20TH FLOOR, 45 O'CONNOR STREET
OTTAWA, ONTARIO CANADA K1P 1A4
Assignment: 3
Reel/Frame:014400/0829   Pages: 3
Recorded: 07/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O.
Exec Dt:
07/25/2003
Assignee
1
PURE TECHNOLOGIES LTD.
11TH AVENUE S.W., 3RD FLOOR, 705
CALGARY, ALBERTA, CANADA T2R OE3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040035218
10380676
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
GEORGE E. FISK
45 O'CONNOR STREET, 20TH FLOOR
OTTAWA, ONTARIO
K1P 1A4 CANADA
Assignment: 4
Reel/Frame:015252/0730   Pages: 4
Recorded: 11/18/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAULSON, PETER O.
Exec Dt:
11/10/2003
2
MCINTYRE, JOHN
Exec Dt:
11/10/2003
Assignee
1
PURE TECHNOLOGIES LTD.
3RD FLOOR,705-11TH AVE. S.W.
CALGARY, ALBERTA, CANADA T2R OE3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040143397
10478051
Correspondence name and address
BLAKE, CASSELS & GRAYDON, LLP
45 O'CONNOR ST., 20TH FLOOR
OTTAWA, ON CANADA K1P 1A4
Assignment: 5
Reel/Frame:019615/0199   Pages: 5
Recorded: 07/27/2007
Attorney Dkt #:101382/128
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O
Exec Dt:
01/20/2006
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W.
3RD FLOOR
CALGARY, CANADA T2R0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8098063
US20080204008
11814921
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
45 O'CONNOR STREET
20TH FLOOR
0TTAWA, ONTARIO, K1P1A4 CANADA
Assignment: 6
Reel/Frame:017838/0898   Pages: 3
Recorded: 04/12/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O.
Exec Dt:
03/22/2006
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W., 3RD FLOOR
CALGARY, ALBERTA T2R OE3, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060225507
10541890
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
20TH FLOOR, 45 O'CONNOR STREET
OTTAWA, ONTARIO, K1P 1A4, CANADA
Assignment: 7
Reel/Frame:019188/0434   Pages: 5
Recorded: 04/20/2007
Attorney Dkt #:101382/123
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O
Exec Dt:
01/31/2007
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7564540
US20070247631
11569419
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
45 O'CONNOR STREET
20TH FLOOR
OTTAWA, ONTARIO, K1P 1A4 CANADA
Assignment: 8
Reel/Frame:025733/0962   Pages: 4
Recorded: 02/02/2011
Attorney Dkt #:101382/170
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O.
Exec Dt:
08/24/2009
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE, S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8601875
US20110162454
13057211
Correspondence name and address
BLAKE, CASSELS & GRAYDON, LLP
45 O'CONNOR ST., 20TH FLOOR
OTTAWA, ONTARIO, K1P 1A4 CANADA
Assignment: 9
Reel/Frame:025782/0532   Pages: 4
Recorded: 02/09/2011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O
Exec Dt:
08/24/2009
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE, S W
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8601875
US20110162454
13057211
Correspondence name and address
BLAKE, CASSELS & GRAYDON, LLP
45 O'CONNOR ST., 20TH FLOOR
OTTAWA ON K1P 1A4 CANADA
Assignment: 10
Reel/Frame:025921/0940   Pages: 4
Recorded: 12/22/2010
Attorney Dkt #:101382/155
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O.
Exec Dt:
12/20/2010
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE, S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110103189
13000473
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
45 O'CONNOR STREET
20TH FLOOR
OTTAWA, ONTARIO, K1P 1A4 CANADA
Assignment: 11
Reel/Frame:028576/0353   Pages: 12
Recorded: 07/18/2012
Attorney Dkt #:101382/181
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
THE PRESSURE PIPE INSPECTION COMPANY LTD.
Exec Dt:
01/01/2012
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE, S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
6889703
US20020148294
10093337
 
7331215
US20050172737
11088416
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
45 O'CONNOR STREET
20TH FLOOR
OTTAWA, ONTARIO, K1P 1A4 CANADA
Assignment: 12
Reel/Frame:028873/0189   Pages: 10
Recorded: 08/30/2012
Attorney Dkt #:101382/185
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PURE TECHNOLOGIES (U.S.) INC.
Exec Dt:
07/26/2012
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20090200852
12192030
 
NONE
US20100117634
12269875
 
7733085
US20090199662
12366606
 
8020460
NONE
12403754
 
7798023
NONE
12478137
 
8322219
US20100288049
12538104
 
8358134
NONE
12541076
 
7923994
US20100117635
12615912
 
7859256
NONE
12781637
 
8215844
NONE
12781655
 
8089273
US20110181275
13083422
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
45 O'CONNOR STREET
20TH FLOOR
OTTAWA, ONTARIO, K1P 1A4 CANADA
Assignment: 13
Reel/Frame:029472/0828   Pages: 7
Recorded: 12/14/2012
Attorney Dkt #:3558-2-8-2
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
PURE TECHNOLOGIES (U.S.) INC.
Exec Dt:
07/26/2012
Assignee
1
PURE TECHNOLOGIES LTD.
705-11TH AVENUE S.W.
3RD FLOOR
CALGARY, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8631705
US20130068028
13664327
Correspondence name and address
WARREN M. PATE
36 WEST FIRECLAY AVE.
MURRAY, UT 84107
Assignment: 14
Reel/Frame:029901/0487   Pages: 8
Recorded: 03/01/2013
Attorney Dkt #:3558-2-4-2
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
PURE TECHNOLOGIES (U.S.) INC.
Exec Dt:
07/26/2012
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W.
3RD FLOOR
CALGARY, CANADA T2R 0E3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9182374
NONE
13746196
 
9470656
NONE
13746200
Correspondence name and address
WARREN M. PATE
36 FIRECLAY AVE.
MURRAY, UT 84107
Assignment: 15
Reel/Frame:035533/0551   Pages: 6
Recorded: 04/30/2015
Attorney Dkt #:49603-3000 DLM/KLF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPECTRUM EXTERNAL LINE INSPECTION TECHNOLOGY INC.
Exec Dt:
04/16/2015
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7697572
US20070263674
11635776
 
7539577
US20070265809
11635777
 
7881890
US20090281746
12435484
 
8800739
US20120273603
13455695
Correspondence name and address
RIDOUT & MAYBEE LLP
11 HOLLAND AVENUE
SUITE 601
OTTAWA, ONTARIO, K1Y 4S1 CANADA
Assignment: 16
Reel/Frame:036075/0283   Pages: 2
Recorded: 07/14/2015
Attorney Dkt #:67557/239089
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAULSON, PETER O.
Exec Dt:
07/09/2015
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W.
3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150355107
14758103
Correspondence name and address
MICHAEL E. WEVER
BARNES & THORNBURG LLP
110 E. WAYNE STREET, SUITE 600
FORT WAYNE, IN 46802
Assignment: 17
Reel/Frame:056621/0837   Pages: 2
Recorded: 06/22/2021
Attorney Dkt #:67557/340150
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HENTSCHEL, KYLE
Exec Dt:
01/08/2018
2
PAULSON, PETER O.
Exec Dt:
01/08/2018
Assignee
1
PURE TECHNOLOGIES LTD.
705 11TH AVENUE SW, 3RD FLOOR
CALAGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11553264
US20210314687
17354410
Correspondence name and address
BARNES & THORNBURG LLP
888 S. HARRISON STREET, SUITE 600
FORT WAYNE, IN 46802-2206
Assignment: 18
Reel/Frame:053698/0433   Pages: 2
Recorded: 09/04/2020
Attorney Dkt #:14233.0045FPU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KWAN, JEFFREY CHAK-FAI
Exec Dt:
06/23/2020
Assignee
1
PURE TECHNOLOGIES LTD.
705 11TH AVENUE SW, 3RD FLOOR
CALGARY (AB), CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200284390
16811707
Correspondence name and address
GREGORY A. SEBALD
P.O. BOX 2903
MINNEAPOLIS, MN 55402-0903
Assignment: 19
Reel/Frame:053431/0608   Pages: 9
Recorded: 08/07/2020
Attorney Dkt #:67557/298352
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAULSON, PETER O.
Exec Dt:
07/31/2020
2
KWAN, JEFFREY CHAK-FAI
Exec Dt:
07/31/2020
3
ZHANG, HONGWEI
Exec Dt:
08/05/2020
4
WU, RAN
Exec Dt:
08/03/2020
5
KONG, XIANGJIE
Exec Dt:
07/31/2020
Assignee
1
PURE TECHNOLOGIES LTD.
705 - 11TH AVENUE S.W., 3RD FLOOR
CALGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11674630
US20200049302
16535282
Correspondence name and address
BARNES & THORNBURG LLP
888 S. HARRISON STREET, SUITE 600
FORT WAYNE, IN 46802-2206
Assignment: 20
Reel/Frame:055081/0273   Pages: 3
Recorded: 01/29/2021
Attorney Dkt #:67557/329353
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KWAN, JEFFREY CHAK-FAI
Exec Dt:
01/26/2021
Assignee
1
PURE TECHNOLOGIES LTD.
705 11TH AVENUE SW, 3RD FLOOR
CALAGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11566744
US20210148504
17097462
Correspondence name and address
BARNES & THORNBURG LLP
888 S. HARRISON STREET, SUITE 600
FORT WAYNE, IN 46802-2206
Assignment: 21
Reel/Frame:057442/0648   Pages: 7
Recorded: 09/10/2021
Attorney Dkt #:67557/339902
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAK-FAI KWAN, JEFFREY
Exec Dt:
07/12/2021
2
ZHANG, HONGWEI
Exec Dt:
07/12/2021
3
WU, RAN
Exec Dt:
07/12/2021
4
KONG, XIANGJIE
Exec Dt:
07/12/2021
Assignee
1
PURE TECHNOLOGIES LTD.
705 11TH AVENUE S.W., 3RD FLOOR
CALAGARY, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210372970
17336522
Correspondence name and address
BARNES & THORNBURG LLP
888 S. HARRISON STREET, SUITE 600
FORT WAYNE, IN 46802-2206
Assignment: 22
Reel/Frame:058791/0438   Pages: 3
Recorded: 01/27/2022
Attorney Dkt #:67557/348705
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KWAN, JEFFREY CHAK-FAI
Exec Dt:
12/21/2021
Assignee
1
PURE TECHNOLOGIES LTD.
705 11TH AVENUE SW, 3RD FLOOR
CALAGARY, ALBERTA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220136637
17513081
Correspondence name and address
BARNES & THORNBURG LLP
888 S. HARRISON STREET, SUITE 600
FORT WAYNE, IN 46802-2206
Assignment: 23
Reel/Frame:063017/0883   Pages: 7
Recorded: 03/17/2023
Attorney Dkt #:67557/375715
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WU, ANGIE
Exec Dt:
03/15/2023
2
ZHANG, HONGWEI
Exec Dt:
03/15/2023
3
LIU, LEO
Exec Dt:
03/15/2023
4
KWAN, JEFFREY CHAK-FAI
Exec Dt:
03/15/2023
Assignee
1
PURE TECHNOLOGIES LTD.
705 11TH AVENUE SW, 3RD FLOOR
CALAGARY, ALBERTA, CANADA T2R 0E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230221284
18066611
Correspondence name and address
BARNES & THORNBURG LLP
888 S. HARRISON STREET, SUITE 600
FORT WAYNE, IN 46802-2206

Search Results as of: 05/29/2024 03:08 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT