WT

Wae-Hai Tung

EA E.I. Du Pont De Nemours And: 16 patents #357 of 8,010Top 5%
IS Invista North America S.A.R.L.: 6 patents #29 of 403Top 8%
📍 Marietta, GA: #75 of 2,233 inventorsTop 4%
🗺 Georgia: #1,181 of 35,610 inventorsTop 4%
Overall (All Time): #195,507 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10167593 Apparatus and method for applying colors and performance chemicals on carpet yarns Ronnie Rittenhouse 2019-01-01
10017880 Bulked continuous filaments with trilobal cross-section and round central void and spinneret plates producing filament 2018-07-10
8850786 Systems and methods for intermittently colored yarn Subhash Chand, John Ryan 2014-10-07
7087303 Bulked continuous filament having a three-sided exterior cross-section and convex six-sided central void and yarn and carpet produced therefrom 2006-08-08
7073318 Apparatus and method for heat-setting carpet yarns with hot atmospheric air Ronnie Rittenhouse 2006-07-11
7013628 Process for making poly(trimethyleneterephthalate) bulked continuous filaments, the filaments thereof and carpets made therefrom James M. Howell, Frank Werny, Richard Meelheim 2006-03-21
6939608 Bulked continuous filament having a three-sided exterior cross-section and a convex six-sided central void and yarn and carpet produced therefrom 2005-09-06
6684618 Yarns comprised of bulked continuous filaments of poly (trimethylene terephthalate) James M. Howell, Frank Werny 2004-02-03
6242091 Yarns comprised of bulked continuous filaments of poly(trimethylene terephthalate) James M. Howell, Frank Werny 2001-06-05
6098392 Process for making multicolored yarns and the product thereof 2000-08-08
5906877 Moisture stable tuftstring carpet Peter Popper, Rashi Akki, Lap-Tak Andrew Cheng, Carmen A. Covelli, Sassan Hojabr +7 more 1999-05-25
5662980 Carpets made from poly(trimethylene terephthalate) bulked continuous filaments James M. Howell, Frank Werny 1997-09-02
5645782 Process for making poly(trimethylene terephthalate) bulked continuous filaments James M. Howell, Frank Werny 1997-07-08
5447771 Fiber bilobal cross-sections and carpets prepared therefrom having a silk-like luster and soft hand Maya D. Mills 1995-09-05
5407745 Delustered nylon filaments with striations of polymethylpentene Vilas G. Bankar 1995-04-18
5380592 Trilobal and tetralobal cross-section filaments containing voids 1995-01-10
5284009 Fiber blends for improved carpet texture retention Leif R. Simonsen, Yashavant V. Vinod, Frank Werny 1994-02-08
5208106 Trilobal and tetralobal filaments exhibiting low glitter and high bulk 1993-05-04
5176926 Spinnerets for producing trilobal and tetralobal filaments exhibiting low glitter and high bulk 1993-01-05
5175038 Carpet yarns and carpets with improved balance of newness retention and bulk Frank Werny 1992-12-29
5130069 Process for producing dyeable hot-bulked polypropylene fibers modified with a copolyamide Raymond F. Tietz 1992-07-14
5108838 Trilobal and tetralobal filaments exhibiting low glitter and high bulk 1992-04-28