Siegfried Doujak

Follow

Person

Merzig, DE

People

Patents Grantslast 30 patents

Information Patent Grant
False twister, especially for producing spiral filaments
- Patent number 6,681,555
- Issue date Jan 27, 2004
- Drahtcord Saar GmbH & Co. KG
- Bernd Heisel
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Coated metal wire, wire-reinforced elastomeric article containing t...
- Patent number 6,602,614
- Issue date Aug 5, 2003
- Pirelli Pneumatici S.p.A.
- Siegfried Doujak
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Coated metal wire wire-reinforced elastomeric article containing th...
- Patent number 6,475,640
- Issue date Nov 5, 2002
- Pirelli Pneumatici S.p.A.
- Siegfried Doujak
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Wire filament, especially for reinforcing rubber of plastic items,...
- Patent number 6,151,879
- Issue date Nov 28, 2000
- Drahtcord Saar GmbH & Co. KG
- Siegfried Doujak
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for producing a steel cord
- Patent number 6,076,344
- Issue date Jun 20, 2000
- Drahtcord Saar GmbH & Co. KG
- Siegfried Doujak
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Wire cord for reinforcing rubber items
- Patent number 6,007,912
- Issue date Dec 28, 1999
- Drahtcord Saar GmbH & Co.
- Siegfried Doujak
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Coated metal wire, wire-reinforced elastomeric article containing t...
- Publication number 20030003319
- Publication date Jan 2, 2003
- Pirelli Pneumatici S.p.A., Viale Sarca
- Siegfried Doujak
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR