% Expired Patents = 40.0

EPO Patents = 1

Forward Citations = 52

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7 inventors (with patents filed for the assignee):

Adnan Ezzarhouni (2 out of 6 patents)

Karim Chapot (1 out of 2 patents)

Lucas Troncy (1 out of 1 patent)

4. Jacques Dhellemmes (1 out of 14 patents)

5. Pierre Michalski (1 out of 1 patent)

6. Pierre Jean (1 out of 13 patents)

7. Jean-Michel Chauvin (1 out of 2 patents)

8. Nicolas Lefevre (1 patent)

9. Sophie Preato-Pavret De La Rochefordiere (1 patent)

10. Christophe Huon De Kermadec (1 patent)

5 patents: Sort by Forward Citations

1. 9291308 - LNG container with a connecting device which connects a secondary impermeable barrier to a load bearing structure (2016-03-22),

2. 8813983 - Fluidtight tank (2014-08-26),

3. 7278365 - Mechanically welded structure with stress-relieving slit and liquefied gas transport ship equipped with such a structure (2007-10-09),

4. 6675731 - Watertight and thermally insulating tank with oblique longitudinal solid angles of intersection (2004-01-13),

5. 5586513 - Watertight and thermally insulating tank built into a bearing structure (1996-12-24),

Company Overview

Gaztransport & Technigaz (GTT) is a leading engineering company specializing in the design of membrane containment systems for the maritime transportation and storage of liquefied natural gas (LNG). With over 50 years of experience, GTT has developed innovative technologies that ensure the safe and efficient transportation of LNG, making them a trusted partner for major players in the energy industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#2 in Saint-Rémy-lès-Chevreuse

#2,868 in France

Saint-Rémy-lès-Chevreuse, France

Gaztransport & Technigaz

Forward Citations = 52

7 inventors:

Adnan Ezzarhouni (2 out of 6 patents)

Karim Chapot (1 out of 2 patents)

Lucas Troncy (1 out of 1 patent)

4. Jacques Dhellemmes (1 out of 14 patents)

5. Pierre Michalski (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gaztransport & Technigaz. Retrieved from https://idiyas.com/company/gaztransport-and-technigaz

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]

1 patent (EPO):

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]