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Patent Assignment Assignee Details
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Assignee Name : QUESTAIR TECHNOLOGIES, INC.
Total Assignments: 23
Assignment: 1
Reel/Frame:013372/0724   Pages: 3
Recorded: 10/07/2002
Conveyance: CERTIFICATE OF AMENDMENT
Assignor
1
QUEST AIR GASES, INC.
Exec Dt:
05/03/2000
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BC, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6398853
NONE
09464446
Correspondence name and address
GOWLING LAFLEUR HENDERSON LLP
COMMERCE COURT
SUITE 4900
ONTARIO, CANADA M5L 1J3
Assignment: 2
Reel/Frame:013372/0741   Pages: 2
Recorded: 09/27/2002
Conveyance: CERTIFICATE OF CONTINUANCE
Assignor
1
QUEST AIR GASES INC.
Exec Dt:
05/03/2000
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BRITISH COLUMBIA V5J4R
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6398853
NONE
09464446
Correspondence name and address
GOWLING. LAFLEUR, HENDERSON
COMMERCE COURT WEST, SUITE 4900
TORONTO ON M5L1J
Assignment: 3
Reel/Frame:011215/0739   Pages: 4
Recorded: 10/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONNOR, DENIS J.
Exec Dt:
06/28/2000
2
DOMAN, DAVID G.
Exec Dt:
06/28/2000
3
JEZIOROWSKI, LES
Exec Dt:
06/28/2000
4
KEEFER, BOWIE G.
Exec Dt:
06/28/2000
5
LARISCH, BELINDA
Exec Dt:
06/28/2000
6
MCLEAN, CHRISTOPHER
Exec Dt:
07/04/2000
7
SHAW, IAN
Exec Dt:
06/28/2000
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY B.C, CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6406523
NONE
09591275
Correspondence name and address
RUSSELL REYNEKE
SUITE 700-TWO BENTALL CENTRE
555 BURRARD STREET
VANCOUVER, B.C. CANADA V7X 1M8
Assignment: 4
Reel/Frame:011989/0397   Pages: 4
Recorded: 07/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
06/25/2001
2
CAREL, ALAIN A.
Exec Dt:
06/21/2001
3
SELLARS, BRIAN
Exec Dt:
06/20/2001
4
SHAW, IAN
Exec Dt:
06/27/2001
5
LARISCH, BELINDA
Exec Dt:
03/21/2001
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6692626
US20020022146
09839381
Correspondence name and address
KLARQUIST SPARKMAN CAMPBELL LEIGH, ET AL
STACEY C. SLATER
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OREGON 97204-2988
Assignment: 5
Reel/Frame:012067/0242   Pages: 3
Recorded: 08/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
07/24/2001
2
MCLEAN, CHRISTOPHER R.
Exec Dt:
07/26/2001
3
BROWN, MICHAEL J.
Exec Dt:
07/16/2001
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6921597
US20020004157
09808715
Correspondence name and address
KLARQUIST SPARKMAN, LLP
STACEY C. SLATER, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 6
Reel/Frame:013988/0896   Pages: 3
Recorded: 04/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE
Exec Dt:
07/24/2001
2
MCLEAN, CHRISTOPHER R.
Exec Dt:
07/26/2001
3
BROWN, MICHAEL J.
Exec Dt:
07/16/2001
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AAVENUE
BURNABY, BRITISH COLUMBIA, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030157390
10286400
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204-2988
Assignment: 7
Reel/Frame:012467/0950   Pages: 5
Recorded: 01/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
12/05/2001
2
BABICKI, MATTHEW
Exec Dt:
12/05/2001
3
DOMAN, DAVID G.
Exec Dt:
12/06/2001
4
ROY, SURAJIT
Exec Dt:
12/05/2001
5
CAREL, ALAIN
Exec Dt:
12/04/2001
6
SELLARS, BRIAN
Exec Dt:
12/05/2001
7
PARKER, IAN SPENCER
Exec Dt:
12/05/2001
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6565635
US20020066367
09963236
Correspondence name and address
KLARQUIST SPARKMAN, LLP
STACEY C. SLATER, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OREGON 97204-2988
Assignment: 8
Reel/Frame:012672/0196   Pages: 3
Recorded: 03/06/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONNOR, DENIS J.
Exec Dt:
02/08/2002
2
KEEFER, BOWIE G.
Exec Dt:
02/05/2002
3
MCLEAN, CHRISTOPHER R.
Exec Dt:
02/06/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BRITISH COLUMBIA, CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6866950
US20020127442
10013896
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 9
Reel/Frame:012780/0152   Pages: 3
Recorded: 04/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
03/04/2002
2
ROY, SURAJIT
Exec Dt:
03/05/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020112479
10043727
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT, ESQ.
121 S.W. SALMON STREET
ONE WORLD TRADE CENTER, SUITE 1600
PORTLAND, OR 97204-2988
Assignment: 10
Reel/Frame:012711/0248   Pages: 5
Recorded: 03/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
03/05/2002
2
SAWADA, JAMES A.
Exec Dt:
03/07/2002
3
JOHANNES, ERIK P.
Exec Dt:
03/05/2002
4
ROY, SURAJIT
Exec Dt:
03/07/2002
5
BROWN, MICHAEL J.
Exec Dt:
03/04/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7041272
US20020098394
10039552
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE RUPERT, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OREGON 97204-2988
Assignment: 11
Reel/Frame:012715/0168   Pages: 7
Recorded: 03/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
03/05/2002
2
CAREL, ALAIN A.
Exec Dt:
03/06/2002
3
SELLARS, BRIAN
Exec Dt:
03/07/2002
4
SHAW, IAN S.D.
Exec Dt:
02/27/2002
5
LARISCH, BELINDA C.
Exec Dt:
02/28/2002
6
DOMAN, DAVID G.
Exec Dt:
02/28/2002
7
LEE, FREDERICK K.
Exec Dt:
02/28/2002
8
GIBBS, ANDREA C.
Exec Dt:
02/27/2002
9
HETZLER, BERNARD H.
Exec Dt:
02/27/2002
10
SAWADA, JAMES A.
Exec Dt:
03/07/2002
11
PELMAN, AARON M.
Exec Dt:
02/27/2002
12
HUNTER, CARL F.
Exec Dt:
02/27/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7300905
US20020170436
10041536
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 12
Reel/Frame:014669/0084   Pages: 7
Recorded: 05/25/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
03/05/2002
2
MATHER, DANIEL K.
Exec Dt:
03/21/2002
3
FOSTER, DAVID E.
Exec Dt:
03/21/2002
4
CONNOR, DENIS J.
Exec Dt:
03/08/2002
5
HUNTER, CARL F.
Exec Dt:
02/27/2002
6
SMITH, TODD
Exec Dt:
03/06/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6742507
US20020104518
10039491
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
121 S.W. SALMON STREET
ONE WORLD TRADE CENTER, SUITE 1600
PORTLAND, OR 97204-2988
Assignment: 13
Reel/Frame:012738/0608   Pages: 3
Recorded: 03/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BABICKI, MATTHEW L.
Exec Dt:
03/12/2002
2
KEEFER, BOWIE G.
Exec Dt:
02/20/2002
3
GIBBS, ANDREA C.
Exec Dt:
03/11/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7037358
US20020134246
10021751
Correspondence name and address
KLARQUIST SPARKMAN, LLP
STACEY C. SLATER, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 14
Reel/Frame:013048/0199   Pages: 3
Recorded: 07/01/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
06/19/2002
2
DOMAN, DAVID G.
Exec Dt:
06/20/2002
3
MCLEAN, CHRISTOPHER R.
Exec Dt:
06/20/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6451095
NONE
09584269
Correspondence name and address
KLARQUIST SPARKMAN, LLP
STACEY C. SLATER, ESQ.
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OREGON 97204-2988
Assignment: 15
Reel/Frame:013537/0917   Pages: 3
Recorded: 11/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
07/02/2002
2
CONNOR, DENIS
Exec Dt:
07/04/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BC, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7087331
US20020142208
10039940
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE RUPERT
121 S.W. SALMON STREET
ONE WORLD TRADE CENTER, SUITE 1600
PORTLAND, OR 97204-2988
Assignment: 16
Reel/Frame:013411/0436   Pages: 3
Recorded: 10/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BALLARD POWER SYSTEMS, INC.
Exec Dt:
07/18/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BRITISH COLUMBIA, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020112479
10043727
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OREGON 97204-2988
Assignment: 17
Reel/Frame:013412/0683   Pages: 3
Recorded: 10/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BALLARD POWER SYSTEMS, INC.
Exec Dt:
07/18/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BRITISH COLUMBIA, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6866950
US20020127442
10013896
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OREGON 97204-2988
Assignment: 18
Reel/Frame:013537/0923   Pages: 3
Recorded: 11/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUNTER, CARL F.
Exec Dt:
10/09/2002
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BC, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7087331
US20020142208
10039940
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE RUPERT
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 19
Reel/Frame:014213/0096   Pages: 3
Recorded: 06/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
05/21/2003
2
BABICKI, MATTHEW L.
Exec Dt:
05/21/2003
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7387849
US20040005492
10389541
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
121 S.W. SALMON STREET
ONE WORLD TRADE CENTER, SUITE 1600
PORTLAND, OR 97204-2988
Assignment: 20
Reel/Frame:014213/0122   Pages: 2
Recorded: 06/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
05/28/2003
2
BABICKI, MATTHEW L.
Exec Dt:
05/29/2003
3
BOULET, ANDRE JASON JOSEPH
Exec Dt:
05/28/2003
4
PELMAN, AARON M.
Exec Dt:
05/29/2003
5
SELLARS, BRIAN G.
Exec Dt:
06/06/2003
6
ROY, SURAJIT
Exec Dt:
05/28/2003
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BRITISH COLUMBIA, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6902602
US20040011198
10389539
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
ONE WORLD TRADE CENTER, STE. 1600
121 S.W. SALMON ST.
PORTLAND, OR 97204-2988
Assignment: 21
Reel/Frame:014361/0442   Pages: 3
Recorded: 02/20/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
01/08/2004
2
DOMAN, DAVID G.
Exec Dt:
12/16/2003
3
MCLEAN, CHRISTOPHER R.
Exec Dt:
12/19/2003
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, B.C., CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7094275
US20050145111
10620262
Correspondence name and address
KLARQUIST SPARKMAN, LLP
JEFFREY B. HAENDLER
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 22
Reel/Frame:015090/0097   Pages: 3
Recorded: 08/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEEFER, BOWIE G.
Exec Dt:
08/17/2004
2
BABICKI, MATTHEW L.
Exec Dt:
08/17/2004
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY BRITISH COLUMBIA, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040197612
10789194
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
121 S. W SALMON STREET
PORTLAND, OR 97204-2988
Assignment: 23
Reel/Frame:015166/0838   Pages: 3
Recorded: 09/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALIZADEH-KHIAVI, SOHEIL
Exec Dt:
09/02/2004
2
ROY, SURAJIT
Exec Dt:
09/08/2004
3
SAWADA, JAMES A.
Exec Dt:
09/09/2004
Assignee
1
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE
BURNABY, BRITISH COLUMBIA, CANADA V5J 4R8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7189280
US20050284291
10881775
Correspondence name and address
KLARQUIST SPARKMAN, LLP
WAYNE W. RUPERT
ONE WORLD TRADE CENTER, SUITE 1600
121 S.W. SALMON STREET
PORTLAND, OR 97204-2988

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