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For the Inventor, By the Inventor

Burnaby, Canada

Questair Technologies Inc.

Calculating rank
USPTO Granted Patents = 27

% Expired Patents = 14.8



Trademarks = 1

Forward Citations = 2,452

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36 inventors (with patents filed for the assignee):

goldMedal Bowie Gordon Keefer (26 out of 49 patents)

silverMedal Christopher R McLean (8 out of 38 patents)

bronzeMedal 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)


Core Competencies:
Hydrogen Recycling
Solid Oxide Fuel Cell
Pressure Swing Adsorption
Gas Separation
Adsorbent Manufacture
Oxygen Concentrator
Energy Efficiency
Electrical Current Generation
Modular Systems
Contaminant Sensitivity
Centrifugal Turbomachinery
Multistage Systems

27 patents:

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),
Company Overview
Questair Technologies Inc. is a Canadian company based in Burnaby, specializing in advanced gas separation technologies. The organization focuses on developing innovative solutions for the energy and environmental sectors, particularly in the areas of carbon capture and hydrogen production. Questair's expertise lies in creating efficient systems that enhance resource recovery and reduce emissions, contributing to sustainable practices in industrial applications. Their research and technology initiatives aim to address global challenges related to energy transition and environmental sustainability.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#19 in Burnaby

#532 in Canada

#24,046 in the World

Burnaby, CA
Burnaby, Canada

Questair Technologies Inc.

Forward Citations = 2,452

36 inventors:

goldMedal Bowie Gordon Keefer (26 out of 49 patents)

silverMedal Christopher R McLean (8 out of 38 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Questair Technologies Inc.. Retrieved from https://idiyas.com/company/questair-technologies

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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