Patent Assignment
Reel/Frame 011219/0419
Certificate of Amendment
Recorded: 2000-10-12
Pages: 3
Assignor
QUEST AIR GASES INC.
Executed: 2000-04-25
Assignee
QUEST AIR TECHNOLOGIES INC.
6961 RUSSELL AVENUE, BURNABY, BRITISH COLUMBIA, V5J 4, CANADA
Covered Properties
(2)
Modular Pressure Swing Adsorption with Energy Recovery
Patent:
6,051,050 →
Application:
08/995,906 →
High Frequency Rotary Pressure Swing Adsorption Apparatus
Patent:
6,056,804 →
Application:
09/106,124 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 30, 1999
From: KEEFER, BOWIE GORDON; MCLEAN, CHRISTOPHER R.
To: QUESTOR INDUSTRIES INC.
Reel/Frame 009856/0931 →
Change of Name
Oct 12, 2000
From: QUESTOR INDUSTRIES INC.
To: QUEST AIR GASES INC.
Reel/Frame 011219/0414 →
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 →
Assignment of Assignor's Interest
Nov 20, 2012
From: XEBEC ADSORPTION INC.
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 029329/0527 →