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D21H13/38
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21H
PULP 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
D21H13/00
Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
Current Industry
D21H13/38
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Patents Grants
last 30 patents
Information
Patent Grant
Corona-resistant N-grade insulation paper for variable frequency mo...
Patent number
12,110,638
Issue date
Oct 8, 2024
Sichuan University
Junwen Ren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of producing a fibrous product and a fibrous product
Patent number
11,828,025
Issue date
Nov 28, 2023
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions and methods for providing increased strength in ceilin...
Patent number
11,512,020
Issue date
Nov 29, 2022
FiberLean Technologies Limited
David Skuse
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of producing a fibrous product and a fibrous product
Patent number
11,371,188
Issue date
Jun 28, 2022
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Using recycled waste water to make nonwoven fibrous materials suita...
Patent number
10,995,454
Issue date
May 4, 2021
3M Innovative Properties Company
Richard P. Merry
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Fiber sheets and structures comprising fiber sheets
Patent number
10,906,268
Issue date
Feb 2, 2021
PAPTIC LTD
Esa Torniainen
B32 - LAYERED PRODUCTS
Information
Patent Grant
Ceiling tile compositions comprising microfibrillated cellulose and...
Patent number
10,669,671
Issue date
Jun 2, 2020
FiberLean Technologies Limited
David Skuse
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fiber sheets and structures comprising fiber sheets
Patent number
10,479,044
Issue date
Nov 19, 2019
PAPTIC LTD
Esa Torniainen
B32 - LAYERED PRODUCTS
Information
Patent Grant
Wet-laid nonwoven including thermoplastic fiber
Patent number
10,066,342
Issue date
Sep 4, 2018
Lydall, Inc.
Casey James Lasell
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Inorganic fiber webs and methods of making and using
Patent number
9,956,441
Issue date
May 1, 2018
3M Innovative Properties Company
Lahoussaine Lalouch
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Mounting mat for exhaust gas treatment device
Patent number
9,816,420
Issue date
Nov 14, 2017
Unifrax I LLC
Amit Kumar
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Holding material for gas treatment device, gas treatment device, an...
Patent number
9,796,634
Issue date
Oct 24, 2017
Nichias Corporation
Junya Satoh
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Inorganic fiber webs and methods of making and using
Patent number
8,834,759
Issue date
Sep 16, 2014
3M Innovative Properties Company
Lahoussaine Lalouch
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Hot-press cushion material and manufacturing method of the same
Patent number
8,709,590
Issue date
Apr 29, 2014
Yamauchi Corporation
Akira Yoshida
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Inorganic fiber paper
Patent number
7,597,781
Issue date
Oct 6, 2009
Nippon Sheet Glass Company, Limited
Yuji Katagiri
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fireblocking/insulating paper
Patent number
6,884,321
Issue date
Apr 26, 2005
Tex Tech Industries, Inc.
David F. Erb, Jr.
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Biologically soluble honeycomb structure
Patent number
6,703,103
Issue date
Mar 9, 2004
Nichias Co., Ltd
Minoru Tanaka
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Thermally and structurally stable noncombustible paper
Patent number
6,533,897
Issue date
Mar 18, 2003
FMJ Technologies, LLC
Roger C. Y. Wang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making multilayer sheets for firestops or mounting mats
Patent number
6,458,418
Issue date
Oct 1, 2002
3M Innovative Properties Company
Roger L. Langer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing high-temperature resistant technical paper and...
Patent number
6,258,211
Issue date
Jul 10, 2001
Culimeta-Alfons Cuylits-Gesellschaft für Textilglas Technologie m.b.H. & Co. KG
Uwe Becker
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fire retardant nonwoven mat and method of making
Patent number
5,942,288
Issue date
Aug 24, 1999
Johns Manville International, Inc.
Richard E. Kajander
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Fire retardant nonwoven mat and method of making
Patent number
5,840,413
Issue date
Nov 24, 1998
Johns Manville International, Inc.
Richard Emil Kajander
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Noncombustible sheet, noncombustible laminated sheet, noncombustibl...
Patent number
5,679,433
Issue date
Oct 21, 1997
Kabushiki Kaish Tokiwa Denki
Kenzo Hayashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Inorganic ceramic paper, its method of manufacturing and articles p...
Patent number
5,567,536
Issue date
Oct 22, 1996
Unifrax Corporation
Timothy S. Lintz
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Inorganic ceramic paper, its method of manufacture and articles pro...
Patent number
5,419,975
Issue date
May 30, 1995
The Carborundum Company
Timothy S. Lintz
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Process for producing inorganic fiber-based prepreg sheet and proce...
Patent number
5,328,566
Issue date
Jul 12, 1994
Honshu Paper Co., Ltd.
Hidekuni Yokoyama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Thermal insulating, high temperature resistant composite
Patent number
4,943,465
Issue date
Jul 24, 1990
The Carborundum Company
Douglas J. Bailey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Inorganic fiber mat using mineral wool and related process and appa...
Patent number
4,532,006
Issue date
Jul 30, 1985
The Flintkote Company
Donald C. Winters
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Mineral fiber-containing paper for the production of gypsum wallboa...
Patent number
4,448,639
Issue date
May 15, 1984
United States Gypsum Company
William J. Long
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Calcined serpentine as inorganic charge in sheet materials
Patent number
4,430,157
Issue date
Feb 7, 1984
Jean M. Lalancette
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
INORGANIC FIBER SHEET
Publication number
20240175210
Publication date
May 30, 2024
TOMOEGAWA CO., LTD.
Takuya HONJYOU
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
CERAMIC PAPER AND METHOD FOR PREPARING SAME
Publication number
20240003088
Publication date
Jan 4, 2024
ENVIONEER CO., LTD
Jeong Cheol HAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBER DIAMETER MEASURING DEVICE, INORGANIC FIBER SHEET PRODUCING DE...
Publication number
20230143567
Publication date
May 11, 2023
MAFTEC CO., LTD.
Shinji SHINDO
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
COMPOSITIONS AND METHODS FOR PROVIDING INCREASED STRENGTH IN CEILIN...
Publication number
20230060416
Publication date
Mar 2, 2023
FiberLean Technologies Limited
David SKUSE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of producing a fibrous product and a fibrous product
Publication number
20220307201
Publication date
Sep 29, 2022
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HEAT INSULATING MATERIAL COMPOSITION, HEAT INSULATING MATERIAL, AND...
Publication number
20220190403
Publication date
Jun 16, 2022
DENKA COMPANY LIMITED
Kohei MIZUTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITIONS AND METHODS FOR PROVIDING INCREASED STRENGTH IN CEILIN...
Publication number
20200248408
Publication date
Aug 6, 2020
FiberLean Technologies Limited
David Skuse
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
COMPOSITIONS AND METHODS FOR PROVIDING INCREASED STRENGTH IN CEILIN...
Publication number
20190100880
Publication date
Apr 4, 2019
FiberLean Technologies Limited
David Skuse
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
COMPOSITIONS AND METHODS FOR PROVIDING INCREASED STRENGTH IN CEILIN...
Publication number
20170284026
Publication date
Oct 5, 2017
FiberLean Technologies Limited
David Skuse
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBER SHEETS AND STRUCTURES COMPRISING FIBER SHEETS
Publication number
20170260694
Publication date
Sep 14, 2017
PAPTIC LTD
Esa TORNIAINEN
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
USING RECYCLED WASTE WATER TO MAKE NONWOVEN FIBROUS MATERIALS SUITA...
Publication number
20160305071
Publication date
Oct 20, 2016
3M INNOVATIVE PROPERTIES COMPANY
Richard P. Merry
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MOUNTING MAT FOR EXHAUST GAS TREATMENT DEVICE
Publication number
20160245143
Publication date
Aug 25, 2016
UNIFRAX I LLC
Amit KUMAR
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WET-LAID NONWOVEN INCLUDING THERMOPLASTIC FIBER
Publication number
20160177510
Publication date
Jun 23, 2016
Lydall, Inc.
Casey James Lasell
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
INORGANIC FIBER WEBS AND METHODS OF MAKING AND USING
Publication number
20140345882
Publication date
Nov 27, 2014
Lahoussaine Lalouch
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Treatment Of Tough Inorganic Fibers And Their Use In A Mounting Mat...
Publication number
20140127083
Publication date
May 8, 2014
Kelvin WEEKS
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Method for producing wet-laid non-woven fabrics, in particular non-...
Publication number
20130260627
Publication date
Oct 3, 2013
JOHNS MANVILLE
Klaus Friedrich Gleich
B32 - LAYERED PRODUCTS
Information
Patent Application
INORGANIC FIBER WEBS AND METHODS OF MAKING AND USING
Publication number
20110247839
Publication date
Oct 13, 2011
3M Innovative Properties Company
Lahoussaine Lalouch
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
MOUNTING MAT FOR EXHAUST GAS TREATMENT DEVICE
Publication number
20110150717
Publication date
Jun 23, 2011
Unifrax I LLC
Amit Kumar
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
FIBROUS VEIL IMPREGNATED WITH SURFACE FINISH FORMULATION
Publication number
20100143684
Publication date
Jun 10, 2010
OWENS CORNING
Paul A. Geel
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HOT-PRESS CUSHION MATERIAL AND MANUFACTURING METHOD OF THE SAME
Publication number
20080021134
Publication date
Jan 24, 2008
Yamauchi Corporation
Akira Yoshida
B30 - PRESSES
Information
Patent Application
Inorganic Fiber Paper
Publication number
20070292673
Publication date
Dec 20, 2007
Yuji Katagiri
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Thermally and structurally stable noncombustible paper
Publication number
20040026055
Publication date
Feb 12, 2004
John J. Titus
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Fireblocking/insulating paper
Publication number
20030099833
Publication date
May 29, 2003
Tex Tech Industries, Inc.
David F. Erb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Biologically soluble honeycomb structure
Publication number
20030072914
Publication date
Apr 17, 2003
NICHIAS CO., LTD.
Minoru Tanaka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Thermally and structurally stable noncombustible paper
Publication number
20020174963
Publication date
Nov 28, 2002
FMJ Technologies, LLC
Roger C.Y. Wang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of making multilayer sheets for firestops or mounting mats
Publication number
20010046456
Publication date
Nov 29, 2001
Roger L. Langer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL