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Air Liquide
Air Liquide worldwide
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Engineering & Construction


Large projects


Our innovation approach

Connected to the innovation ecosystems

Inventiveness, curiosity, collective intelligence, agility and entrepreneurial spirit are at the heart of our innovation approach.

€300 M

innovation expenses in 2018


start-ups working with us


employees contributing to innovation

Our open innovation approach

Our innovation is part of an open ecosystem. It leverages both Air Liquide internal communities and the external innovation ecosystems.

Our Innovation and Development teams gather:

These teams work closely with the Group's operational teams.

Air Liquide and innovation with François Darchis (2019)

Innovation network

In the frame of its open innovation approach, Air Liquide has developed numerous collaborations with customers, scientific partners and technology institutes, suppliers and start-ups.

Air Liquide has strongly strengthened its partnerships with start-ups to accelerate innovation and digital transformation for the benefit of the customer experience: the Group is working with more than 100 start-ups worldwide.

Techstars Paris accelerator 2017

Science, technologies and entrepreneurial spirit

The Innovation and Development teams combine scientific and technological expertise with an entrepreneurial spirit. With a portfolio of more than 11,000 patents, Air Liquide files more than 300 new inventions each year and develops. In partnership with external ecosystems, the teams design and deploy new offerings to improve the customer and patient experience.

Invent: Air Liquide's global inventor recognition program

Innovating for a more sustainable world

The Group supports the new markets of energy transition, maritime logistics and scientific exploration / deep tech. Air Liquide brings environmentally friendly solutions to the clean energy market with hydrogen energy and Bio-Natural Gas for Vehicles, refrigerated transport using nitrogen, but also the treatment and injection of Biomethane into domestic energy grid as an energy source.

The Group is deploying many projects which contribute to prevent the global warming, to improve air quality and healthcare:

  • Technologies to increase the energy efficiency of its production units
  • The Blue Hydrogen approach to gradually lower the carbon content of its hydrogen production dedicated to energy applications
  • Research & Development on medical gases, in particular for analgesia and in respiratory diseases
  • Support for patients through e-Health solutions

Almost 30% of the Group’s innovation expenses in 2017 were devoted to reducing CO2 emissions, by reducing the carbon content of its products or those of its customers.


"Air is a common good, vital and universal. We innovate for the benefit of the society: almost 60% of our innovation expenses in 2017 contribute to preventing global warming and improving air quality and health".

François Darchis , Member of the Air Liquide Executive Committee supervising innovation