Two new Airbus patent applications were recently published.
Inventor Bernhard Kotzias.
Both are related to the use of Ultra Dense Hydrogen (UDH).
https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=EP&NR=3070051A1&KC=A1&FT=D&ND=&date=20160921&DB=&locale=en_EP
and:
https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=EP&NR=3070050A1&KC=A1&FT=D&ND=3&date=20160921&DB=&locale=en_EP
Both are in German language.