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Montreal, Canada

Liquid Air Engineering Corporation

USPTO Granted Patents = 15

Forward Citations = 211

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12 inventors (with patents filed for the assignee):

Bao V Ha (13 out of 53 patents)

Catherine Garnier (3 out of 6 patents)

Naohiko Yamashita (2 out of 6 patents)

4. Francois Venet (2 out of 10 patents)

5. Sophie Gastinne (2 out of 3 patents)

6. Maurice Grenier (1 out of 34 patents)

7. Douglas V Eyre (1 out of 2 patents)

8. Jean P Tranier (1 out of 1 patent)

9. Gerard E Dupuis (1 out of 1 patent)

10. Dennis C Tanguay (1 out of 1 patent)

11. James T Shelton, Deceased (1 out of 1 patent)

12. Pham H Minh (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 5593475 - Mixed bed adsorber (1997-01-14),

2. 5582032 - Ultra-high purity oxygen production (1996-12-10),

3. 5511380 - High purity nitrogen production and installation (1996-04-30),

4. 5475980 - Process and installation for production of high pressure gaseous fluid (1995-12-19),

5. 5396773 - Process for the mixed production of high and low purity oxygen (1995-03-14),

6. 5373699 - Process for the production of nitrogen by cryogenic distillation of (1994-12-20),

7. 5349824 - Process for the mixed production of high and low purity oxygen (1994-09-27),

8. 5329774 - Method and apparatus for separating C.sub.4 hydrocarbons from a gaseous (1994-07-19),

9. 5325674 - Process for the production of nitrogen by cryogenic distillation of (1994-07-05),

10. 5315833 - Process for the mixed production of high and low purity oxygen (1994-05-31),

11. 5271231 - Method and apparatus for gas liquefaction with plural work expansion of (1993-12-21),

12. 5231837 - Cryogenic distillation process for the production of oxygen and nitrogen (1993-08-03),

13. 5144808 - Cryogenic air separation process and apparatus (1992-09-08),

14. 5123946 - Cryogenic nitrogen generator with bottom reboiler and nitrogen expander (1992-06-23),

15. 4867772 - Cryogenic gas purification process and apparatus (1989-09-19),

Liquid Air Engineering Corporation is a leading provider of cryogenic and industrial gas solutions. With over 30 years of experience, we specialize in the design, installation, and maintenance of cryogenic systems for a wide range of industries including healthcare, food and beverage, and manufacturing. Our team of experts is dedicated to delivering innovative and reliable solutions to meet our customers' unique needs.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

15 Patents

#63 in Montreal

#982 in Canada

#39,846 in the World

Montreal, Canada

Liquid Air Engineering Corporation

Forward Citations = 211

12 inventors:

Bao V Ha (13 out of 53 patents)

Catherine Garnier (3 out of 6 patents)

Naohiko Yamashita (2 out of 6 patents)

4. Francois Venet (2 out of 10 patents)

5. Sophie Gastinne (2 out of 3 patents)

Please report any incorrect information to [email protected]

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