South Humberside, United Kingdom

Penny E Letts

This inventor holds 1 USPTO granted patent. Top assignee: Courtaulds Fibres (Holdings) Ltd.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Penny E Letts. Retrieved from https://idiyas.com/inventor/penny-e-letts

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Penny E Letts

Introduction

Penny E Letts is a notable inventor based in South Humberside, GB. She has made significant contributions to the field of cellulose fiber manufacturing. Her innovative methods have paved the way for advancements in textile technology.

Latest Patents

Penny E Letts holds a patent for a "Method for manufacturing crimped solvent-spun cellulose fibre." This patent describes a process in which cellulose is dissolved in an amine oxide solvent to create a hot cellulose solution. The solution is then extruded through a die assembly to form a tow of continuous filaments. The tow is subsequently passed through a water bath to leach out the amine oxide. During the crimping process, the tow is compressed in a stuffer box, where dry steam is injected to apply crimp. Finally, the crimped tow is passed through detection means that project a beam across its path, ensuring quality control by detecting any variations in the beam's obscuration.

Career Highlights

Penny E Letts has had a distinguished career at Courtaulds Fibres (Holdings) Ltd. Her work has focused on improving the manufacturing processes of cellulose fibers, contributing to the efficiency and quality of textile production.

Collaborations

Throughout her career, Penny has collaborated with notable colleagues, including Alan Sellars and Ronald Derek Payne. These collaborations have further enhanced her innovative approaches and have led to significant advancements in her field.

Conclusion

Penny E Letts is a pioneering inventor whose work in cellulose fiber manufacturing has made a lasting impact on the textile industry. Her innovative methods and dedication to quality continue to inspire advancements in this field.

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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