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For the Inventor, By the Inventor

Montreal, Canada

Air Liquide Canada, Inc.

USPTO Granted Patents = 14

% Expired Patents = 35.7


Forward Citations = 266

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39 inventors (with patents filed for the assignee):

goldMedal Joseph Philippe Pellerin (2 out of 2 patents)

silverMedal Javier Jara (2 out of 2 patents)

bronzeMedal Viwek V Vaidya (2 out of 7 patents)

4.  Edward L Cooper (1 out of 30 patents)

5.  Vasuhi Rasanayagam (1 out of 12 patents)

6.  Gilles Poulin (1 out of 7 patents)

7.  Yves Hardy (1 out of 10 patents)

8.  Joseph E Paganessi (1 out of 22 patents)

9.  Gregory E Casey (1 out of 5 patents)

10.  Daniel D Duarte (1 out of 5 patents)

11.  Candice John (1 out of 1 patent)

12.  Stephanie Mortenson (1 out of 1 patent)

13.  Camille Lanctot-Downs (1 out of 1 patent)

14.  Michel Epiney (1 out of 3 patents)

15.  Fabrice Laberge (1 out of 1 patent)


14 patents:

1. 10481049 - Cryogenic liquid sampler (2019-11-19),
2. 10473561 - Method of sampling a cryogenic liquid (2019-11-12),
3. 9933197 - Vertical counter-flow immersion freezer (2018-04-03),
4. 9243182 - Hydraulic fracturing with improved viscosity liquefied industrial gas based solution (2016-01-26),
5. 9051749 - Hybrid method of erecting a cold box using prefabricated and field erected components (2015-06-09),
6. 7794677 - Reduction of copper content in the molybdenite concentrate (2010-09-14),
7. 7152741 - Use of ozone to increase the flotation efficiency of sulfide minerals (2006-12-26),
8. 6793739 - Method of cleaning an ozone generator (2004-09-21),
9. 6547176 - Wire unwinding controller (2003-04-15),
10. 6096114 - Process for recovering SF.sub.6 from a gas (2000-08-01),
11. 6051805 - Methods and apparatus for welding performance measurement (2000-04-18),
12. 5943815 - Method and delivery system for the carbon dioxide-based, area specific (1999-08-31),
13. 5916020 - Process and apparatus for separating and delinking sausages, wieners, or (1999-06-29),
14. 5882437 - Oxy-fuel cutting torch head seat insert and method of use (1999-03-16),
Company Overview
Air Liquide Canada, Inc. is a leading provider of gases, technologies, and services for various industries, including healthcare, manufacturing, and energy. The company specializes in the production of industrial gases such as oxygen, nitrogen, and hydrogen, which are essential for numerous applications ranging from medical treatments to advanced manufacturing processes. With a strong focus on innovation and sustainability, Air Liquide Canada is committed to developing solutions that enhance efficiency and reduce environmental impact across its operations.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Air Liquide Canada, Inc. USPTO Patent Assignee Logo
14 Patents

#69 in Montreal

#1,069 in Canada

#42,290 in the World

Montreal, CA
Montreal, Canada

Air Liquide Canada, Inc.

Forward Citations = 266

39 inventors:

goldMedal Joseph Philippe Pellerin (2 out of 2 patents)

silverMedal Javier Jara (2 out of 2 patents)

bronzeMedal Viwek V Vaidya (2 out of 7 patents)

4.  Edward L Cooper (1 out of 30 patents)

5.  Vasuhi Rasanayagam (1 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Air Liquide Canada, Inc.. Retrieved from https://idiyas.com/company/air-liquide-canada

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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