Stefan Slotte

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing coated pipes
- Patent number 8,568,830
- Issue date Oct 29, 2013
- Oy Kwh Pipe Ab
- Mikael Finne
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Device for internal cooling of extruded thermoplastics pipes
- Patent number 8,062,013
- Issue date Nov 22, 2011
- Oy Kwh Pipe Ab
- Gunnar Blomqvist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Preparation of an end of a thermoplastics tube manufactured by spir...
- Patent number 6,666,945
- Issue date Dec 23, 2003
- Oy KWH Pipe Ab
- Anders Andtbacka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for joining spiral wound pipes
- Patent number 6,322,653
- Issue date Nov 27, 2001
- Oy Kwh Pipe Ab
- Gunnar Blomqvist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR INTERNAL COOLING OF EXTRUDED THERMOPLASTICS P...
- Publication number 20090139695
- Publication date Jun 4, 2009
- Oy KWH Pipe Ab
- Gunnar Blomqvist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR MANUFACTURING COATED PIPES
- Publication number 20090098296
- Publication date Apr 16, 2009
- Oy KWH Pipe Ab
- Mikael Finne
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL