The show took place in the Polish capital city on 14-16 October, with over 200 inventors from several countries attending it.
There were 12 categories ranging from ecology and environmental protection by engineering, construction, electronics, and textile and chemical industry to innovative medical solutions.
Croatians won golds for a waterproof wooden sink invented by the Egorra company and for an ecological toilet bowl made by inventor Ervin Matić.
"Smart Massage Glove“ by inventor Edita Petrić won a silver medal.
Anchor with movable arms invented by Jadran and Ivica Pivačić and " Smart info Card" by Nikola Čizmić and Mirko Bajto won bronze medals..