HK

Heinrich Johannes Gustav Kiefer

AN Akzo Nobel N.V.: 2 patents #357 of 1,625Top 25%
DB Diolen Industrial Fibers B.V.: 1 patents #5 of 15Top 35%
📍 Wuppertal, DE: #529 of 1,656 inventorsTop 35%
Overall (All Time): #1,598,449 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6881480 Cord made from polyester filaments Hendrikus Wilhelmus Jacobus Hofs, Henricus Hubertus Wilhelmus Feijen, Lambert van Duren, Christiaan Jurriaan Maria van den Heuvel, Michael Henricus Jacobus van den Tweel 2005-04-19
6345654 Continuous polyester filament and articles comprising the same Hendrikus Wilhelmus Jacobus Hofs, Henricus Hubertus Wilhelmus Feijen, Lambert van Duren, Christiaan Jurriaan Maria van den Heuvel, Michael Henricus Jacobus van den Tweel 2002-02-12
5925460 Process for manufacturing continuous polyester filament yarn Hendrikus Wilhelmus Jacobus Hofs, Henricus Hubertus Wilhelmus Feijen, Lambert van Duren, Christiaan Jurriaan Maria van den Heuvel, Michael Henricus Jacobus van den Tweel 1999-07-20