For the Inventor, By the Inventor

Enter assignee name

Burnaby, Canada

Questair Technologies Inc.

USPTO Granted Patents = 27

% Expired Patents = 14.8

CIPO Patents = 2

EPO Patents = 1

Trademarks = 1

Forward Citations = 2,452

Loading Chart...

Loading Chart...

36 inventors (with patents filed for the assignee):

Bowie Gordon Keefer (26 out of 49 patents)

Christopher R McLean (8 out of 38 patents)

Matthew L Babicki (7 out of 17 patents)

4. David G Doman (6 out of 10 patents)

5. Denis J Connor (5 out of 9 patents)

6. Brian G Sellars (4 out of 12 patents)

7. Surajit Roy (4 out of 9 patents)

8. Alain Carel (3 out of 6 patents)

9. James A Sawada (3 out of 9 patents)

10. Belinda C Larisch (3 out of 4 patents)

11. Andrea C Gibbs (3 out of 7 patents)

12. Carl F Hunter (3 out of 4 patents)

13. Frank R Fitch (2 out of 41 patents)

14. Aaron M Pelman (2 out of 4 patents)

15. Michael J Brown (2 out of 4 patents)

27 patents: Sort by Forward Citations

1. 7387849 - Hydrogen recycle for solid oxide fuel cell (2008-06-17),

2. RE40006 - Flow regulated pressure swing adsorption system (2008-01-21),

3. 7300905 - Methods for their manufacture of adsorbent (2007-11-27),

4. 7285350 - Enhanced solid oxide fuel cell systems (2007-10-23),

5. 7250073 - Life support oxygen concentrator (2007-07-31),

6. 7189280 - Adsorptive separation of gas streams (2007-03-13),

7. 7160367 - PSA with adsorbents sensitive to contaminants (2007-01-09),

8. 7097925 - High temperature fuel cell power plant (2006-08-29),

9. 7094275 - Modular pressure swing adsorption apparatus (2006-08-22),

10. 7087331 - Energy efficient gas separation for fuel cells (2006-08-08),

11. 7041272 - Systems and processes for providing hydrogen to fuel cells (2006-05-09),

12. 7037358 - PSA with adsorbents sensitive to contaminants (2006-05-02),

13. 6921597 - Electrical current generation system (2005-07-26),

14. 6905535 - Gas separation with split stream centrifugal turbomachinery (2005-06-14),

15. 6902602 - Gas separation by combined pressure swing and displacement purge (2005-06-07),

QuestAir Technologies Inc. is a leading provider of gas purification systems for industrial gases, with a primary focus on the clean energy sector. With a range of advanced technologies and proprietary adsorbents, QuestAir offers cost-effective solutions for removing impurities, such as carbon dioxide and hydrogen sulfide, from various gas streams. Their patented Pressure Swing Adsorption (PSA) technology enables efficient and environmentally friendly gas purification in applications like natural gas processing, biogas upgrading, and hydrogen production. Visit their website to explore their solutions and learn more about their expertise in gas purification.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

27 Patents

#18 in Burnaby

#527 in Canada

#23,935 in the World

Burnaby, Canada

Questair Technologies Inc.

Forward Citations = 2,452

36 inventors:

Bowie Gordon Keefer (26 out of 49 patents)

Christopher R McLean (8 out of 38 patents)

Matthew L Babicki (7 out of 17 patents)

4. David G Doman (6 out of 10 patents)

5. Denis J Connor (5 out of 9 patents)

Please report any incorrect information to [email protected]

Loading…