H2DO AB has a total of 17 patent applications. Its first patent ever was published in 2010. It filed its patents most often in EPO (European Patent Office), Sweden and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, chemical engineering and civil engineering are 4ELEMENTS INVENT LTD, SEIWA PRO KK and VERNO HOLDINGS LLC.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 3 | |
#2 | Sweden | 3 | |
#3 | WIPO (World Intellectual Property Organization) | 3 | |
#4 | Australia | 2 | |
#5 | Canada | 2 | |
#6 | China | 2 | |
#7 | Republic of Korea | 2 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Chemical engineering | |
#3 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Ljunggren Rolf | 17 |
#2 | Davidsson Thomas | 3 |
Publication | Filing date | Title |
---|---|---|
EP2867594A1 | Method and device for heating using sunlight | |
AU2011353169A1 | Purification of water by heating with sunlight, via optical cable | |
KR20140032372A | Purification of water by heating with sunlight, via optical fibre |