Ormskirk, United Kingdom

John Malachy Duggan

This inventor holds 1 USPTO granted patent. Top assignee: Trelleborg Crp Limited. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Malachy Duggan. Retrieved from https://idiyas.com/inventor/john-malachy-duggan-un63xlye

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: John Malachy Duggan: Innovator in Marine Technology

Introduction

John Malachy Duggan is a notable inventor based in Ormskirk, GB. He has made significant contributions to marine technology, particularly in the design of bend stiffeners. His innovative approach addresses critical challenges faced in hydrocarbon extraction.

Latest Patents

Duggan holds a patent for a bend stiffener, which is designed to prevent excessive bending of elongate members, such as marine risers. This invention is particularly useful in regions where these members enter tubes mounted on hydrocarbon extraction platforms. The bend stiffener features an elongate sleeve with a through-going cavity that accommodates the elongate member. The design includes a mating part that engages with the tube and an axial locating arrangement that allows for some angular movement. This innovative solution alleviates problems of fatigue in the bending area, enhancing the durability of marine equipment.

Career Highlights

Duggan is currently associated with Trelleborg CRP Limited, where he continues to develop solutions that improve marine operations. His work focuses on enhancing the safety and efficiency of marine risers, which are critical components in offshore oil and gas extraction.

Conclusion

John Malachy Duggan's contributions to marine technology through his innovative bend stiffener patent exemplify his commitment to improving safety and efficiency in the industry. His work at Trelleborg CRP Limited further solidifies his role as a key player in marine innovations.

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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