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Esko Hippelainen
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Lahti, FI
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Patents Grants
last 30 patents
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Patent Grant
Plastic pipe having a socket, and a method of providing a plastic p...
Patent number
6,550,500
Issue date
Apr 22, 2003
Uponor Innovation AB
Jyri Järvenkylä
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of producing homogeneous material with an extruder, an extru...
Patent number
6,446,674
Issue date
Sep 10, 2002
Uponor Innovation AB
Esko Hippeläinen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for producing homogeneous material with an extruder, an extr...
Patent number
6,073,657
Issue date
Jun 13, 2000
Uponor Innovation AB
Esko Hippelainen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Plastic pipe having a socket, and a method of providing a plastic p...
Publication number
20020070551
Publication date
Jun 13, 2002
Jyri Jarvenkyla
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL