Ali Guettouche

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Geeste, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layered pipe
- Patent number 6,684,910
- Issue date Feb 3, 2004
- Wavin B.V.
- Jan Uilke Stoffelsma
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Waste pipe system comprising plastic pipe parts made of thermoplast...
- Patent number 4,957,793
- Issue date Sep 18, 1990
- Wavin B.V.
- Ali Guettouche
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing joint and retaining ring for pipe grooved bell and straight...
- Patent number 4,572,523
- Issue date Feb 25, 1986
- Wavin B.V.
- Ali Guettouche
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Multi-layered pipe
- Publication number 20030089413
- Publication date May 15, 2003
- Jan Uilke Stoffelsma
- B32 - LAYERED PRODUCTS