Paper being at least partly surrounded by the material on both sides

Industry

CPC
D21H23/42

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Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR D21H23/00Processes or apparatus for adding material to the pulp or to the paper

Current Industry

D21H23/42Paper being at least partly surrounded by the material on both sides

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Applicator device
- Patent number 6,726,770
- Issue date Apr 27, 2004
- Voith Paper Patent GmbH
- Kurt Eichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Application device
- Patent number 6,626,127
- Issue date Sep 30, 2003
- Voith Paper Patent GmbH
- Kurt Eichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing a dehumidifying element
- Patent number 6,265,030
- Issue date Jul 24, 2001
- Proflute AB
- Per-Johan Aronson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method of preparing a sheet of a lignocellulosic material for the m...
- Patent number 6,123,795
- Issue date Sep 26, 2000
- Windsor Technologies Limited
- Michael Windsor Symons
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for impregnating a fibrous base material with a substantiall...
- Patent number 5,104,698
- Issue date Apr 14, 1992
- Takuma Co., Ltd.
- Shigetoshi Hayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Impregnated corrugted sheets for packing boxes and method of manufa...
- Patent number 4,826,714
- Issue date May 2, 1989
- King; Richard D.
- Gary R. King
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Coater
- Patent number 4,822,640
- Issue date Apr 18, 1989
- Oy Wartsila AB
- Raimo Tuhkanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing impregnated corrugated sheets for packing b...
- Patent number 4,778,696
- Issue date Oct 18, 1988
- King; Richard
- Gary R. King
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process and apparatus for applying liquid, pasty or foamy substance...
- Patent number 4,774,107
- Issue date Sep 27, 1988
- Vits Maschinebau GmbH
- Kurt von Kwiatkowski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for impregnating
- Patent number 4,772,493
- Issue date Sep 20, 1988
- Perstorp AB
- Alan N. Syrop
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method and apparatus for coating corrugated board
- Patent number 4,668,536
- Issue date May 26, 1987
- Eagle-Picher industries, Inc.
- Eston B. Goodell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fibrous web saturator
- Patent number 4,590,099
- Issue date May 20, 1986
- R & R Research & Development, Inc.
- Richard A. Reith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method utilizing ultrasonically induced cavitation to impregnate po...
- Patent number 4,552,781
- Issue date Nov 12, 1985
- Westinghouse Electric Corp.
- Daniel L. Cannady
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pressure saturator
- Patent number 4,411,216
- Issue date Oct 25, 1983
- Miply Equipment Inc.
- Howard K. Menser
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Apparatus for high speed size application
- Patent number 4,407,224
- Issue date Oct 4, 1983
- Beloit Corporation
- Robert J. Alheid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Size press with coating pool suppressing arrangement
- Patent number 4,391,217
- Issue date Jul 5, 1983
- Valmet Oy
- Erkki Koski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for coating both sides of a moving web
- Patent number 4,358,481
- Issue date Nov 9, 1982
- Inventing S.A.
- Hans I. Wallsten
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for high speed size application
- Patent number 4,358,484
- Issue date Nov 9, 1982
- Beloit Corporation
- Robert J. Alheid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Twin short dwell coater arrangement
- Patent number 4,357,370
- Issue date Nov 2, 1982
- Beloit Corporation
- Robert J. Alheid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Two sided coater
- Patent number 4,354,449
- Issue date Oct 19, 1982
- The Black Clawson Company
- Stanley C. Zink
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High speed size press
- Patent number 4,340,623
- Issue date Jul 20, 1982
- Beloit Corporation
- Edgar J. Justus
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Combined size press and breaker stack and method
- Patent number 4,325,784
- Issue date Apr 20, 1982
- Beloit Corporation
- George L. Dreher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for applying a coating to both sides of a running paper web
- Patent number 4,288,473
- Issue date Sep 8, 1981
- Inventing S.A.
- Hans I. Wallsten
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Combined breaker size press coater
- Patent number 4,192,712
- Issue date Mar 11, 1980
- Beloit Corporation
- George L. Dreher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of impregnating and drying materials and installations for c...
- Patent number 4,054,692
- Issue date Oct 18, 1977
- Mecalix S.A.
- Jean Monmarson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Enzyme-treated paper
- Patent number 3,966,543
- Issue date Jun 29, 1976
- Baxter Laboratories, Inc.
- Theodore Cayle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3772124
- Patent number 3,772,124
- Issue date Nov 13, 1973
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3720573
- Patent number 3,720,573
- Issue date Mar 13, 1973
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3676184
- Patent number 3,676,184
- Issue date Jul 11, 1972
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3601090
- Patent number 3,601,090
- Issue date Aug 24, 1971
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
PROCESSING CONVENTIONAL PAPERS AND PULPS INTO HYDROPHOBIC AND WATER...
- Publication number 20240247442
- Publication date Jul 25, 2024
- Mississippi State University
- Xuefeng Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
INTERLAYER MATERIAL FOR LITHIUM-SULFUR BATTERY, AND LITHIUM-SULFUR...
- Publication number 20220328837
- Publication date Oct 13, 2022
- QILU UNIVERSITY OF TECHNOLOGY
- Guowei ZHOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HONEYCOMB COMPOSITE SUPPORT PART AND METHOD FOR COATING IT
- Publication number 20130189480
- Publication date Jul 25, 2013
- Fredy Iseli
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
Process of controlled shuffling of chromosone fragments for plant b...
- Publication number 20040244073
- Publication date Dec 2, 2004
- Victor Klimyuk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Applicator device
- Publication number 20030000465
- Publication date Jan 2, 2003
- Kurt Eichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Application device
- Publication number 20020162503
- Publication date Nov 7, 2002
- Kurt Eichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Paper being at least partly surrounded by the material on both sides

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Applicator device

Application device

Method of producing a dehumidifying element

Method of preparing a sheet of a lignocellulosic material for the m...

Method for impregnating a fibrous base material with a substantiall...

Impregnated corrugted sheets for packing boxes and method of manufa...

Coater

Method of manufacturing impregnated corrugated sheets for packing b...

Process and apparatus for applying liquid, pasty or foamy substance...

Process for impregnating

Method and apparatus for coating corrugated board

Fibrous web saturator

Method utilizing ultrasonically induced cavitation to impregnate po...

Pressure saturator

Apparatus for high speed size application

Size press with coating pool suppressing arrangement

Method and apparatus for coating both sides of a moving web

Method for high speed size application

Twin short dwell coater arrangement

Two sided coater

High speed size press

Combined size press and breaker stack and method

Process for applying a coating to both sides of a running paper web

Combined breaker size press coater

Method of impregnating and drying materials and installations for c...

Enzyme-treated paper

3772124

3720573

3676184

3601090

Patents Applicationslast 30 patents

PROCESSING CONVENTIONAL PAPERS AND PULPS INTO HYDROPHOBIC AND WATER...

INTERLAYER MATERIAL FOR LITHIUM-SULFUR BATTERY, AND LITHIUM-SULFUR...

HONEYCOMB COMPOSITE SUPPORT PART AND METHOD FOR COATING IT

Process of controlled shuffling of chromosone fragments for plant b...

Applicator device

Application device