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Warren F. Knoff
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Richmond, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Composite laminate for a thermal and acoustic insulation blanket
Patent number
RE46859
Issue date
May 22, 2018
E I du Pont de Nemours and Company
Llewellyn Bentley Richardson
Information
Patent Grant
Copolymer fibers and yarns and processes for making same
Patent number
9,790,622
Issue date
Oct 17, 2017
E I du Pont de Nemours and Company
Warren Francis Knoff
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Copolymer fibers and yarns and processes for making same
Patent number
9,481,946
Issue date
Nov 1, 2016
E I du Pont de Nemours and Company
Warren Francis Knoff
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method of making a sandwich panel
Patent number
9,434,142
Issue date
Sep 6, 2016
E I du Pont de Nemours and Company
Mikhail R Levit
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Copolymer fibers and processes for making same
Patent number
9,365,952
Issue date
Jun 14, 2016
E I du Pont de Nemours and Company
Warren Francis Knoff
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Copolymer fibers and processes for making same
Patent number
8,957,183
Issue date
Feb 17, 2015
E I du Pont de Nemours and Company
Warren Francis Knoff
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Composite laminate for a thermal and acoustic insulation blanket
Patent number
8,387,748
Issue date
Mar 5, 2013
E I du Pont de Nemours and Company
Llewellyn Bentley Richardson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Composite laminate for a thermal and acoustic insulation blanket
Patent number
8,292,027
Issue date
Oct 23, 2012
E I du Pont de Nemours and Company
Llewellyn Bentley Richardson, III
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Reinforced nonwoven fire blocking fabric, method for making such fa...
Patent number
7,819,994
Issue date
Oct 26, 2010
E. I. Du Pont de Nemours and Company
Laurence N. Bascom
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Pillow-top mattress comprising a fire blocked gusset
Patent number
7,421,750
Issue date
Sep 9, 2008
E. I. Du Pont de Nemours and Company
Warren F. Knoff
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Reinforced nonwoven fire blocking fabric, method for making such fa...
Patent number
7,229,937
Issue date
Jun 12, 2007
E. I. Du Pont de Nemours and Company
Laurence Nelson Bascom
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Liquid water impermeable reinforced nonwoven fire blocking fabric,...
Patent number
7,226,877
Issue date
Jun 5, 2007
E. I. Du Pont de Nemours and Company
Laurence N. Bascom
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Dispersion spinning process for poly(tetrafluoroethylene) and relat...
Patent number
5,820,984
Issue date
Oct 13, 1998
E. I. Du Pont de Nemours and Company
Nicole Lee Blankenbeckler
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Dispersion spinning process for polytetrafluoroethylene and related...
Patent number
5,762,846
Issue date
Jun 9, 1998
E. I. Du Pont de Nemours and Company
Nicole Lee Blankenbeckler
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Dispersion spinning process for polytetrafluoroethylene and related...
Patent number
5,723,081
Issue date
Mar 3, 1998
E. I. Du Pont de Nemours and Company
Nicole Lee Blankenbeckler
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method and apparatus for making alternate twist plied yarn and product
Patent number
5,644,909
Issue date
Jul 8, 1997
E. I. Du Pont de Nemours and Company
Warren Francis Knoff
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information
Patent Grant
Method and apparatus for making alternate twist plied yarn and product
Patent number
5,557,915
Issue date
Sep 24, 1996
E. I. Du Pont de Nemours and Company
Warren F. Knoff
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information
Patent Grant
Pre-stuffer box conditioning of ply-twisted carpet yarn
Patent number
5,414,987
Issue date
May 16, 1995
E. I. Du Pont de Nemours and Company
Warren F. Knoff
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information
Patent Grant
Method of analyzing the texture of a surface and a carpet character...
Patent number
5,325,301
Issue date
Jun 28, 1994
E. I. Du Pont de Nemours and Company
Warren F. Knoff
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information
Patent Grant
Filament specimen fixture
Patent number
4,909,084
Issue date
Mar 20, 1990
E. I. Du Pont de Nemours and Company
Warren F. Knoff
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
COPOLYMER FIBERS AND YARNS AND PROCESSES FOR MAKING SAME
Publication number
20170016145
Publication date
Jan 19, 2017
E I DU PONT DE NEMOURS AND COMPANY
Warren Francis Knoff
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
COMPOSITE FLAME BARRIER LAMINATE FOR A THERMAL AND ACOUSTIC INSULAT...
Publication number
20150367608
Publication date
Dec 24, 2015
E I DU PONT DE NEMOURS AND COMPANY
LLEWELLYN BENTLEY RICHARDSON
B32 - LAYERED PRODUCTS
Information
Patent Application
COMPOSITE FLAME BARRIER LAMINATE FOR A THERMAL AND ACOUSTIC INSULAT...
Publication number
20150353184
Publication date
Dec 10, 2015
E I DU PONT DE NEMOURS AND COMPANY
LLEWELLYN BENTLEY RICHARDSON
B32 - LAYERED PRODUCTS
Information
Patent Application
METHOD OF COUPLING AND ALIGNING CARBON NANOTUBES IN A NONWOVEN SHEE...
Publication number
20140256204
Publication date
Sep 11, 2014
E I DU PONT DE NEMOURS AND COMPANY
WARREN FRANCIS KNOFF
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD OF MAKING A SANDWICH PANEL
Publication number
20130196175
Publication date
Aug 1, 2013
E I DU PONT DE NEMOURS AND COMPANY
Mikhail R. LEVIT
B32 - LAYERED PRODUCTS
Information
Patent Application
STRUCTURAL CORE
Publication number
20130157001
Publication date
Jun 20, 2013
E I DU PONT DE NEMOURS AND COMPANY
Warren Francis Knoff
B32 - LAYERED PRODUCTS
Information
Patent Application
COPOLYMER FIBERS AND YARNS AND PROCESSES FOR MAKING SAME
Publication number
20130075950
Publication date
Mar 28, 2013
E.I. du Pont de Nemours and Company
WARREN FRANCIS KNOFF
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
COPOLYMER FIBERS AND PROCESSES FOR MAKING SAME
Publication number
20130014329
Publication date
Jan 17, 2013
E.I. du Pont de Nemours and Company
WARREN FRANCIS KNOFF
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
COPOLYMER FIBERS AND PROCESSES FOR MAKING SAME
Publication number
20130018148
Publication date
Jan 17, 2013
E.I. du Pont de Nemours and Company
WARREN FRANCIS KNOFF
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
COMPOSITE LAMINATE FOR A THERMAL AND ACOUSTIC INSULATION BLANKET
Publication number
20120321868
Publication date
Dec 20, 2012
E I DU PONT DE NEMOURS AND COMPANY
Llewellyn Bentley Richardson, III
B32 - LAYERED PRODUCTS
Information
Patent Application
COMPOSITE LAMINATE FOR A THERMAL AND ACOUSTIC INSULATION BLANKET
Publication number
20110094826
Publication date
Apr 28, 2011
E.I. du Pont de Nemours and Company
Llewellyn Bentley Richardson, III
B32 - LAYERED PRODUCTS
Information
Patent Application
Multiple sheet building wrap for use in external wall assemblies ha...
Publication number
20090158683
Publication date
Jun 25, 2009
Theresa Ann Weston
E04 - BUILDING
Information
Patent Application
Foam core article with flexible heat-resistant knitted fabric
Publication number
20090094754
Publication date
Apr 16, 2009
Walter Randall Hall, III
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
FLAME RESISTANT FABRIC USEFUL AS BATTING IN MATTRESSES AND UPHOLSTERY
Publication number
20090083910
Publication date
Apr 2, 2009
E.I. du Pont de Nemours and Company
Warren F. Knoff
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Building wrap for use in external wall assemblies having wet-applie...
Publication number
20090075033
Publication date
Mar 19, 2009
Theresa Ann Weston
B32 - LAYERED PRODUCTS
Information
Patent Application
Pillow-Top Mattress Comprising a Fire Blocked Gusset
Publication number
20090070940
Publication date
Mar 19, 2009
E.I. Du Pont De Nemours and Company
Warren F. Knoff
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Foam core article with flexible heat-resistant knitted fabric
Publication number
20090061717
Publication date
Mar 5, 2009
Walter Randall Hall, III
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Foam core article with flexible heat-resistant knitted fabric
Publication number
20090056029
Publication date
Mar 5, 2009
Walter Randall Hall, III
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Thermal liner
Publication number
20080189840
Publication date
Aug 14, 2008
Warren Francis Knoff
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Abrasion resistant fire blocking fabric
Publication number
20080153373
Publication date
Jun 26, 2008
Walter Randall Hall
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Nanofiber allergen barrier fabric
Publication number
20080120783
Publication date
May 29, 2008
Warren Francis Knoff
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Reinforced nonwoven fire blocking fabric, method for making such fa...
Publication number
20070224405
Publication date
Sep 27, 2007
Laurence N. Bascom
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Multilayer spunlaced nonwoven fire blocking composite
Publication number
20070199494
Publication date
Aug 30, 2007
Warren F. Knoff
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Pillow-top mattress comprising a fire blocked gusset
Publication number
20070094802
Publication date
May 3, 2007
Warren F. Knoff
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Pillow-top mattress comprising a fire blocked gusset
Publication number
20070094804
Publication date
May 3, 2007
Warren F. Knoff
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Flame resistant fabric useful as a batting in mattresses and uphols...
Publication number
20060172649
Publication date
Aug 3, 2006
Warren F. Knoff
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Liquid water impermeable reinforced nonwoven fire blocking fabric,...
Publication number
20060141880
Publication date
Jun 29, 2006
Laurence N. Bascom
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
High loft flame resistant batting for mattresses and furniture and...
Publication number
20060135023
Publication date
Jun 22, 2006
Warren F. Knoff
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Fire resistant fabric composite, process for fire-blocking a mattre...
Publication number
20060048302
Publication date
Mar 9, 2006
Herman Hans Forsten
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Multilayer spunlaced nonwoven fire blocking composite
Publication number
20060042058
Publication date
Mar 2, 2006
Warren F. Knoff
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS