Patent Assignment
Reel/Frame 013372/0724
Certificate of Amendment
Recorded: 2002-10-07
Pages: 3
Assignor
QUEST AIR GASES, INC.
Executed: 2000-05-03
Assignee
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE, BURNABY, BC, V5J 4R8, CANADA
Covered Property
(1)
Gas Separation with Split Stream Centrifugal Turbomachinery
Patent:
6,398,853 →
Application:
09/464,446 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 4, 2000
From: KEEFER, BOWIE G.; KAUPERT, KEVIN A.
To: QUEST AIR GASES INC.
Reel/Frame 010757/0963 →
Certificate of Continuance
Sep 27, 2002
From: QUEST AIR GASES INC.
To: QUESTAIR TECHNOLOGIES, INC.
Reel/Frame 013372/0741 →
Assignment of Assignor's Interest
Mar 23, 2012
From: XEBEC ADSORPTION INC.
To: AIR PRODUCTS AND CHEMICALS INC.
Reel/Frame 027913/0646 →
Merger
Apr 27, 2012
From: QUESTAIR TECHNOLOGIES INC.
To: XEBEC ADSORPTION INC.
Reel/Frame 028120/0971 →