Membership
Tour
Register
Log in
Gunnar Parmann
Follow
Person
Bergen, NO
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
System for mounting a forming element on a mandrel
Patent number
4,336,014
Issue date
Jun 22, 1982
Rieber & Son A/S
Gunnar Parmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Production of socket ends in thermoplastic pipes
Patent number
4,299,412
Issue date
Nov 10, 1981
Rieber & Son A/S
Gunnar Parmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for bending thermoplastic pipes
Patent number
4,097,573
Issue date
Jun 27, 1978
Rieber & Son A/S
Gunnar Parmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for bending thermoplastic pipes
Patent number
3,965,715
Issue date
Jun 29, 1976
Rieber & Son A/S
Gunnar Parmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL