Location History:
- Greenville, DE (US) (1999)
- Seaford, DE (US) (1992 - 2004)
- Marietta, GA (US) (2000 - 2019)
Company Filing History:
16 out of 16,338 
6 out of 395 
Years Active: 1992-2019
Title: Innovations by Wae-Hai Tung in Carpet Yarn Technology
Introduction
Wae-Hai Tung, an esteemed inventor based in Seaford, DE, has made significant contributions to the field of carpet yarn technology. With a total of 22 patents to his name, his work focuses on enhancing processes that improve the efficacy of dye application and yarn production.
Latest Patents
Among his latest innovations is the "Apparatus and method for applying colors and performance chemicals on carpet yarns." This patent discloses processes that enable the application of dyes and topical chemistries to single yarns during a yarn rewind process. This innovative method eliminates the need for environmentally unfavorable dyeing and low pH chemical treatments on the finished carpet. The use of neutral pH dye solutions marks a significant improvement over previous techniques involving low pH solutions. The treated yarn can then be twisted, weaved, and tufted into a finished fabric or carpet under dry conditions. Additionally, Tung's patent discusses systems and BCF yarns made from the treated yarn.
Another key patent is the "Bulk continuous filaments with trilobal cross-section and round central void and spinneret plates producing filament." This encompasses trilobal bulked continuous filaments (BCFs) featuring a generally round central void and innovative spinneret plates designed for producing these BCFs. The patent outlines various articles and carpets generated from these unique BCFs, alongside methods of their production.
Career Highlights
Wae-Hai Tung has worked with prominent companies such as E.I. du Pont de Nemours and Company and Invista North America S.a.r.l., where he honed his skills and developed innovative solutions in yarn technology.
Collaborations
Throughout his career, Tung has collaborated with notable figures in his field, including Frank Werny and James M. Howell. These partnerships have further enriched his research and development efforts.
Conclusion
Wae-Hai Tung's contributions to the textile industry, particularly in carpet yarn technology, highlight his role as an influential inventor. His patents serve not only to advance industry standards but also to promote more sustainable practices in manufacturing.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.