P

Inventor

EDWARDS DONALD W

US27 patents
⚠️ This page may combine multiple inventors who share the name “EDWARDS DONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT

20 patents
US4670145AJun 2, 1987

Multiple bundle fluid separation apparatus

DU PONT168 citations99
US5472762ADec 5, 1995

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

DU PONT41 citations94
US5013331AMay 7, 1991

Permeator with selectable flow rates

DU PONT70 citations94
US5137631AAug 11, 1992

Multiple bundle permeator

DU PONT144 citations93
US4871379AOct 3, 1989

Modular, shell-less, air permeator

DU PONT40 citations92
US5501250AMar 26, 1996

Method for deleting and reintroducing yarns to a textile process

DU PONT38 citations91
US5547732AAug 20, 1996

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

DU PONT35 citations90
US4323904AApr 6, 1982

Magnetic printing process and apparatus

DU PONT21 citations82
US4336546AJun 22, 1982

Magnetic printing apparatus

DU PONT23 citations81
US4170287AOct 9, 1979

Magnetic auger

DU PONT23 citations78
US4622143ANov 11, 1986

Double-ended hollow fiber permeator

DU PONT18 citations74
US4233382ANov 11, 1980

Electrostatic transfer of magnetically held toner images

DU PONT17 citations73
US5465566ANov 14, 1995

Alternate twist-plied yarn

DU PONT13 citations72
US4216282AAug 5, 1980

AC corona to remove background from the imaging member of a magnetic copier

DU PONT10 citations72
US4185130AJan 22, 1980

Magnetic image decorator

DU PONT8 citations70
US4195303AMar 25, 1980

Magnetic printing process and apparatus

DU PONT3 citations62
US4329694AMay 11, 1982

AC Corona to remove background from the transfer member of a thermomagnetic copier

DU PONT3 citations61
US4191961AMar 4, 1980

Magnetic printing process and apparatus

DU PONT5 citations61
US5598694AFeb 4, 1997

Apparatus and method for forming alternate twist-plied yarns and product

DU PONT4 citations60
US4240374ADec 23, 1980

Magnetic image decorator having rotating cylinders and knife blades associated therewith

DU PONT1 citations48

MINNESOTA MINING & MFG

2 patents

INT MINERALS & CHEM CORP

2 patents

EDWARDS DONALD W

1 patent

ANGUS CHEMICAL

1 patent

SOUTHERN EXPLOSIVES CORP

1 patent