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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for recycling plastics
Patent number
12,257,741
Issue date
Mar 25, 2025
BB Engineering GmbH
Klaus Schäfer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and device for cleaning a polymer melt
Patent number
11,639,018
Issue date
May 2, 2023
BB Engineering GmbH
Klaus Schäfer
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR RECYCLING PLASTICS
Publication number
20240308111
Publication date
Sep 19, 2024
BB Engineering GmbH
Klaus Schäfer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
EXTRUDER-MIXER
Publication number
20240208130
Publication date
Jun 27, 2024
BB Engineering GmbH
Friedel Dickmeiss
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR STRETCHING PLASTIC FILMS
Publication number
20240075678
Publication date
Mar 7, 2024
BB Engineering GmbH
Klaus Schäfer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD AND DEVICE FOR RECYCLING PLASTICS
Publication number
20210402651
Publication date
Dec 30, 2021
BB Engineering GmbH
Klaus Schäfer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD AND DEVICE FOR CLEANING A POLYMER MELT
Publication number
20200198210
Publication date
Jun 25, 2020
BB Engineering GmbH
Klaus Schäfer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Trademark
last 30 trademarks
Information
Trademark
79144343 - THE VALUENEERING COMPANY
Serial number
79144343
Registration number
4623075
Filing date
Jan 17, 2014
BB Engineering GmbH
7 - Machines and machine tools