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Gerhard Winkler
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Lengerich, DE
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last 30 patents
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Patent Grant
Extrusion die for a blow head for making blown plastic films
Patent number
4,701,116
Issue date
Oct 20, 1987
Windmoller and Holscher
Fritz Achelpohl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of controlling the film thickness at a blown film installation
Patent number
4,464,318
Issue date
Aug 7, 1984
Windmoller and Holscher
Hartmut Upmeier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of controlling the film thickness at a blown film extruder i...
Patent number
4,351,785
Issue date
Sep 28, 1982
Windmoller & Hoischer
Hartmut Upmeier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of controlling the film thickness at a blown film extruder i...
Patent number
4,339,403
Issue date
Jul 13, 1982
Windmoller and Holscher
Hartmut Upmeier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of controlling the film thickness at a blown film installation
Patent number
4,339,404
Issue date
Jul 13, 1982
Windmoller & Holscher
Hartmut Upmeier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for optimizing the output of a blown film extr...
Patent number
4,246,212
Issue date
Jan 20, 1981
Windmoller and Holscher
Hartmut Upmeier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL