HF

Helenio de Carvalho Ellery Filho

📍 Recife, BR: #28 of 95 inventorsTop 30%
Overall (All Time): #2,965,171 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9764975 Biological filtration system for removal of nitrogen compounds in aquatic animal breeding environments, and its implementing device 2017-09-19