Inventor
TUNG WAE-HAI
US22 patents
⚠️ This page may combine multiple inventors who share the name “TUNG WAE-HAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
16 patentsUS5108838AApr 28, 1992
Trilobal and tetralobal filaments exhibiting low glitter and high bulk
DU PONT58 citations96
US5906877AMay 25, 1999
Moisture stable tuftstring carpet
DU PONT93 citations95
US5645782AJul 8, 1997
Process for making poly(trimethylene terephthalate) bulked continuous filaments
DU PONT91 citations95
US5662980ASep 2, 1997
Carpets made from poly(trimethylene terephthalate) bulked continuous filaments
DU PONT57 citations94
US5380592AJan 10, 1995
Trilobal and tetralobal cross-section filaments containing voids
DU PONT50 citations92
US5208106AMay 4, 1993
Trilobal and tetralobal filaments exhibiting low glitter and high bulk
DU PONT49 citations92
US5176926AJan 5, 1993
Spinnerets for producing trilobal and tetralobal filaments exhibiting low glitter and high bulk
DU PONT36 citations92
US5175038ADec 29, 1992
Carpet yarns and carpets with improved balance of newness retention and bulk
DU PONT22 citations92
US5130069AJul 14, 1992
Process for producing dyeable hot-bulked polypropylene fibers modified with a copolyamide
DU PONT23 citations92
US6242091B1Jun 5, 2001
Yarns comprised of bulked continuous filaments of poly(trimethylene terephthalate)
DU PONT23 citations91
US5284009AFeb 8, 1994
Fiber blends for improved carpet texture retention
DU PONT29 citations90
US6098392AAug 8, 2000
Process for making multicolored yarns and the product thereof
DU PONT18 citations84
US6684618B2Feb 3, 2004
Yarns comprised of bulked continuous filaments of poly (trimethylene terephthalate)
DU PONT4 citations72
US7013628B2Mar 21, 2006
Process for making poly(trimethyleneterephthalate) bulked continuous filaments, the filaments thereof and carpets made therefrom
DU PONT9 citations70
US5447771ASep 5, 1995
Fiber bilobal cross-sections and carpets prepared therefrom having a silk-like luster and soft hand
DU PONT10 citations69
US5407745AApr 18, 1995
Delustered nylon filaments with striations of polymethylpentene
DU PONT4 citations60
INVISTA NORTH AMERICA SARL
4 patentsUS7087303B2Aug 8, 2006
Bulked continuous filament having a three-sided exterior cross-section and convex six-sided central void and yarn and carpet produced therefrom
INVISTA NORTH AMERICA SARL12 citations84
US6939608B2Sep 6, 2005
Bulked continuous filament having a three-sided exterior cross-section and a convex six-sided central void and yarn and carpet produced therefrom
INVISTA NORTH AMERICA SARL10 citations74
US7073318B2Jul 11, 2006
Apparatus and method for heat-setting carpet yarns with hot atmospheric air
INVISTA NORTH AMERICA SARL3 citations59
US10017880B2Jul 10, 2018
Bulked continuous filaments with trilobal cross-section and round central void and spinneret plates producing filament
INVISTA NORTH AMERICA SARL0 citations52