HS

Helmut Schiwek

📍 Duisburg, DE: #102 of 870 inventorsTop 15%
Overall (All Time): #1,045,705 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6178991 Safety container for potentially explosive and/or environmentally hazardous substances 2001-01-30
6017452 Oil retention barrier with anti-splashing means 2000-01-25
5690715 Glass fiber manufacturing process and plant 1997-11-25
5688074 Oil barrier 1997-11-18
5466379 Method of removing oil and oil like environmental contaminants from water of ground surfaces 1995-11-14