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For the Inventor, By the Inventor

Hockessin, DE, United States of America

William Cheng Uy

This inventor holds 19 USPTO granted patents, primarily in Fluoropolymer Fibers. Top assignees: E.i. Dupont De Nemours and Company, Other. Active years: 1978-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Cheng Uy. Retrieved from https://idiyas.com/inventor/william-cheng-uy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 19

% Patents Active = 78.9

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 168(Granted Patents)


Location History:

  • Wilmington, DE (US) (1978 - 1992)
  • Newark, DE (US) (1993)
  • Hockessin, DE (US) (1996 - 2005)

Company Filing History:

goldMedal14 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents
silverMedal4 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2005

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Areas of Expertise:
Fluoropolymer
Melt Spinning
Zein Fibers
Composite Materials
Poly(tetrafluoroethylene)
Fatigue Reducing Finish
Fibrids
Spinnable Dopes
High Speed Processing
Surface Properties
Thermoplastic Polymers
Vapor Venting Device
19 patents (USPTO):Explore Patents
1. 6919130 - High speed melt spinning of fluoropolymer fibers (2005-07-19),
2. 6841243 - High speed melt spinning of fluoropolymer fibers (2005-01-11),
3. 6667097 - High speed melt spinning of fluoropolymer fibers (2003-12-23),
4. 6436533 - Melt spun fibers from blends of poly(tetrafluoroethylene) and poly(tetrafluoroethylene-co-perfluoro-alkylvinyl ether) (2002-08-20),
5. 6207275 - Melt spun fluoropolymeric fibers and process for producing them (2001-03-27),
6. 6048481 - Melt spun fluoropolymeric fibers and process for producing them (2000-04-11),
7. 5750064 - Dry spinning process for producing zein fibers (1998-05-12),
8. 5724885 - Spatter shielding and vapor venting device for frying pan (1998-03-10),
9. 5580499 - Process for producing zein fibers (1996-12-03),
10. 5531354 - Spatter shielding and vapor venting device for frying pan (1996-07-02),
11. 5270118 - Composites having improved surface properties (1993-12-14),
12. 5252277 - Process for spinning polypeptide fibers from solutions of lithium (1993-10-12),
13. 5178812 - Method of making composites having improved surface properties (1993-01-12),
14. 5137986 - Spinnable dopes and articles therefrom (1992-08-11),
15. 4972028 - Fibrids from intractable and thermoplastic polymer combinations (1990-11-20),

Title: Innovation and Patenting: The Journey of William Cheng Uy

Introduction

William Cheng Uy, an accomplished inventor based in Hockessin, Delaware, holds an impressive portfolio of 19 patents. His work in the field of materials science has made significant contributions to the development of advanced technologies, particularly in the area of fluoropolymer fibers.

Latest Patents

Among his latest patents is the innovation titled "High Speed Melt Spinning of Fluoropolymer Fibers." This patent describes processes and apparatus for melt spinning high viscosity fluoropolymers into single filaments or multi-filament yarns at high spinning speeds. The innovative method is carried out at a temperature at least 90°C greater than the melting point of the polymer, or in the case of perfluoropolymer, at a temperature of at least 450°C. This technological advancement allows the produced yarns to exhibit a filament orientation at the surface equal to that of the core, optimizing material performance.

Career Highlights

William has worked with E.I. du Pont de Nemours and Company, a leading company known for its contributions to various industrial sectors. Throughout his career, he has focused on pushing the boundaries of polymer science and engineering. His extensive experience in high-temperature processing and fiber manufacturing underscores a commitment to innovation in materials technology.

Collaborations

Throughout his inventive journey, William Cheng Uy has collaborated with notable colleagues such as Glenn William Heffner and Martin Gerald Wagner. These professional relationships have fostered a dynamic environment for creativity and shared expertise, contributing to the success of their joint projects.

Conclusion

William Cheng Uy exemplifies the spirit of innovation in the realm of polymer engineering. His robust portfolio of patents not only highlights his technical abilities but also showcases his dedication to advancing material science. As he continues to impact the industry, his work serves as a testament to the power of innovation in driving progress.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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