SD

Siegfried Doujak

DK Drahtcord Saar Gmbh & Co., Kg: 5 patents #1 of 2Top 50%
PS Pirelli Pneumatici S.P.A.: 2 patents #54 of 141Top 40%
📍 Merzig, DE: #5 of 23 inventorsTop 25%
Overall (All Time): #753,790 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7188653 Steel cord and method for producing a steel cord 2007-03-13
6681555 False twister, especially for producing spiral filaments Bernd Heisel 2004-01-27
6602614 Coated metal wire, wire-reinforced elastomeric article containing the same and method of manufacture Federico Pavan, Andrea Pieralli 2003-08-05
6475640 Coated metal wire wire-reinforced elastomeric article containing the same and method of manufacture Federico Pavan, Andrea Pieralli 2002-11-05
6151879 Wire filament, especially for reinforcing rubber of plastic items, process for its production and device for implementing the process 2000-11-28
6076344 Process for producing a steel cord 2000-06-20
6007912 Wire cord for reinforcing rubber items 1999-12-28