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Patents Grants
last 30 patents
Information
Patent Grant
Screw extruder for thermoplastics synthetic materials or elastomers
Patent number
4,052,038
Issue date
Oct 4, 1977
Hermann Berstorff Maschinenbau GmbH
Wilhelm Brand
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Continuously operable apparatus for the preparation and/or processi...
Patent number
4,047,671
Issue date
Sep 13, 1977
Hermann Berstorff Maschinenbau GmbH
Jurgen Bertram
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multiple-roll calendars for producing thermoplastics film
Patent number
4,038,012
Issue date
Jul 26, 1977
Hermann Berstorff Maschinenbau GmbH
Gottfried Sander
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
End thrust bearing arrangements for screw extruders
Patent number
4,033,556
Issue date
Jul 5, 1977
Hermann Berstorff Maschinenbau GmbH
Dietmar Anders
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multi-roll calender for rubber or synthetic plastics materials
Patent number
4,015,919
Issue date
Apr 5, 1977
Hermann Berstorff Maschinenbau GmbH
Werner Pawelczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Synthetic plastics film manufacturing plant including a multiple-ro...
Patent number
4,014,636
Issue date
Mar 29, 1977
Hermann Berstorff Maschinenbau GmbH
Werner Pawelczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Endless pressure belt for laminating chipboard panels
Patent number
3,994,765
Issue date
Nov 30, 1976
Hermann Berstorff Maschinenbau GmbH
Heinz Brinkmann
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Apparatus for continuously laminating a continuous strip of chipboa...
Patent number
3,994,769
Issue date
Nov 30, 1976
Hermann Berstorff Maschinenbau GmbH
Rolf Gersbeck
B44 - DECORATIVE ARTS
Information
Patent Grant
Roll calenders for calendering rubber or synthetic plastics materials
Patent number
3,993,424
Issue date
Nov 23, 1976
Hermann Berstorff Maschinenbau GmbH
Werner Pawelczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for plasticizing material such as rubber, synthetic plast...
Patent number
3,993,291
Issue date
Nov 23, 1976
Hermann Berstorff Maschinenbau GmbH
Heinz Brinkman
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Extruder slot die head
Patent number
3,988,097
Issue date
Oct 26, 1976
Hermann Berstorff Maschinenbau GmbH
Dietmar Anders
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Material guide jaw for two co-operating rolls of a rolling mill or...
Patent number
3,985,488
Issue date
Oct 12, 1976
Hermann Berstorff Maschinenbau GmbH
Manfred Hoffmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Calendering of synthetic plastics film
Patent number
3,964,848
Issue date
Jun 22, 1976
Hermann Berstorff Maschinenbau GmbH
Willi Wockener
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for the continuous manufacture of chipboard panels, fibre...
Patent number
3,938,927
Issue date
Feb 17, 1976
Hermann Berstorff Maschinenbau GmbH
Heinz Brinkmann
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Apparatus for connecting and sealing together two lengths of cylind...
Patent number
3,937,495
Issue date
Feb 10, 1976
Hermann Berstorff Maschinenbau GmbH
Dietmar Anders
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for the continuous production of chipboard, fibreboard an...
Patent number
3,932,258
Issue date
Jan 13, 1976
Hermann Berstorff Maschinenbau GmbH
Heinz Brinkman
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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last 30 patents
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