William D. Walker

Person

Landenberg, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of making a helmet
- Patent number 9,050,756
- Issue date Jun 9, 2015
- E I du Pont de Nemours and Company
- Joseph D Trentacosta
- A42 - HEADWEAR
Information Patent Grant
Impact resistant composite article
- Patent number 8,895,138
- Issue date Nov 25, 2014
- E I du Pont de Nemours and Company
- Bryan Benedict Sauer
- F41 - WEAPONS
Information Patent Grant
Stretch break method and product
- Patent number 7,559,121
- Issue date Jul 14, 2009
- E. I. Du Pont de Nemours and Company
- Joseph Anthony Perrotto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Stretch break method, apparatus and product
- Patent number 7,454,816
- Issue date Nov 25, 2008
- E. I. Du Pont de Nemours and Company
- Peter Popper
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method for control of yarn processing equipment
- Patent number 7,349,756
- Issue date Mar 25, 2008
- E. I. Du Pont de Nemours and Company
- Gregory James Scott
- G05 - CONTROLLING REGULATING
Information Patent Grant
Stretch break method and product
- Patent number 7,267,871
- Issue date Sep 11, 2007
- E. I. Du Pont de Nemours and Company
- Joseph Anthony Perrotto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Stretch break method and product
- Patent number 7,100,246
- Issue date Sep 5, 2006
- E. I. Du Pont de Nemours and Company
- Joseph Anthony Perrotto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Stretch break method and product
- Patent number 7,083,853
- Issue date Aug 1, 2006
- E. I. Du Pont de Nemours and Company
- Glen Simmonds
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Rapid fabric forming
- Patent number 6,579,815
- Issue date Jun 17, 2003
- E. I. Du Pont de Nemours and Company
- Peter Popper
- A41 - WEARING APPAREL
Information Patent Grant
Rapid fabric forming for penetration resistant fabric
- Patent number 6,323,145
- Issue date Nov 27, 2001
- E. I. Du Pont de Nemours and Company
- Peter Popper
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method of imparting a graphic design to a substrate
- Patent number 6,203,636
- Issue date Mar 20, 2001
- E. I. Du Pont de Nemours and Company
- Peter Popper
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Rapid fabric forming
- Patent number 6,107,220
- Issue date Aug 22, 2000
- E. I. Du Pont de Nemours and Company
- Peter Popper
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method and apparatus for making a pile article and the products the...
- Patent number RE36372
- Issue date Nov 2, 1999
- E. I. Du Pont de Nemours and Company
- Donald William Edwards
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Method and apparatus for making a pile article and the products the...
- Patent number 5,547,732
- Issue date Aug 20, 1996
- E. I. Du Pont de Nemours and Company
- Donald W. Edwards
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method for deleting and reintroducing yarns to a textile process
- Patent number 5,501,250
- Issue date Mar 26, 1996
- E. I. Du Pont de Nemours and Company
- Donald W. Edwards
- D03 - WEAVING
Information Patent Grant
Method and apparatus for making a pile article and the products the...
- Patent number 5,498,459
- Issue date Mar 12, 1996
- E. I. Du Pont de Nemours and Company
- Ahmed M. Mokhtar
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method and apparatus for making a pile article and the products the...
- Patent number 5,472,762
- Issue date Dec 5, 1995
- E. I. Du Pont de Nemours and Company
- Donald W. Edwards
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Drive roll assembly for strand winding apparatus
- Patent number 5,042,734
- Issue date Aug 27, 1991
- E. I. Du Pont de Nemours and Company
- Richard J. Angelucci
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MAKING A HELMET
- Publication number 20130283578
- Publication date Oct 31, 2013
- E I DU PONT DE NEMOURS AND COMPANY
- Joseph D. Trentacosta
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Impact Resistant Composite Article
- Publication number 20110117351
- Publication date May 19, 2011
- E.I. du Pont de Nemours and Company
- Bryan Benedict Sauer
- B32 - LAYERED PRODUCTS
Information Patent Application
Stretch Break Method and Product
- Publication number 20060204753
- Publication date Sep 14, 2006
- Glen Simmonds
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Stretch break method, apparatus and product
- Publication number 20060150372
- Publication date Jul 13, 2006
- Peter Popper
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Stretch break method and product
- Publication number 20060145386
- Publication date Jul 6, 2006
- E.I. Du Pont De Nemours and Company
- Joseph Anthony Perrotto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Method for control of yarn processing equipment
- Publication number 20060009873
- Publication date Jan 12, 2006
- Gregory James Scott
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Stretch break method and product
- Publication number 20050147815
- Publication date Jul 7, 2005
- E.I. Du Pont De Nemours and Company
- Joseph Anthony Perrotto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Stretch break method and product
- Publication number 20040081825
- Publication date Apr 29, 2004
- Joseph Anthony Perrotto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

William D. Walker

Person

Patents Grantslast 30 patents

Method of making a helmet

Impact resistant composite article

Stretch break method and product

Stretch break method, apparatus and product

Method for control of yarn processing equipment

Stretch break method and product

Stretch break method and product

Stretch break method and product

Rapid fabric forming

Rapid fabric forming for penetration resistant fabric

Method of imparting a graphic design to a substrate

Rapid fabric forming

Method and apparatus for making a pile article and the products the...

Method and apparatus for making a pile article and the products the...

Method for deleting and reintroducing yarns to a textile process

Method and apparatus for making a pile article and the products the...

Method and apparatus for making a pile article and the products the...

Drive roll assembly for strand winding apparatus

Patents Applicationslast 30 patents

METHOD OF MAKING A HELMET

Impact Resistant Composite Article

Stretch Break Method and Product

Stretch break method, apparatus and product

Stretch break method and product

Method for control of yarn processing equipment

Stretch break method and product

Stretch break method and product