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CPC
D21F13/12
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21F
PAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON
D21F13/00
Making discontinuous sheets of paper, pulpboard or cardboard, or of wet web, for fibreboard production
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D21F13/12
Platen presses
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Patents Grants
last 30 patents
Information
Patent Grant
Pulp molding production line and processing method
Patent number
12,084,812
Issue date
Sep 10, 2024
Shu Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulp molding production line and processing method thereof
Patent number
11,560,673
Issue date
Jan 24, 2023
BE GREEN PACKAGING LLC
Shu Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
1763910
Patent number
1,763,910
Issue date
Jun 17, 1930
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
1487245
Patent number
1,487,245
Issue date
Mar 18, 1924
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
PULP MOLDING PRODUCTION LINE AND PROCESSING METHOD THEREOF
Publication number
20230313459
Publication date
Oct 5, 2023
Be Green Packaging, LLC
Shu CHEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PULP MOLDING PRODUCTION LINE AND PROCESSING METHOD
Publication number
20220025579
Publication date
Jan 27, 2022
Zhejiang Shurcon Manufacturing Co. Ltd.
Shu Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Pulp Molding Production Line and Processing Method Thereof
Publication number
20200248407
Publication date
Aug 6, 2020
Be Green Packaging, LLC
Shu CHEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE