Redditch, United Kingdom

John W Sewell

This inventor holds 1 USPTO granted patent. Top assignee: Samuel Heath & Sons Plc. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John W Sewell. Retrieved from https://idiyas.com/inventor/john-w-sewell

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 = 2.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: John W Sewell: Innovator in Door Closure Technology

Introduction

John W Sewell is a notable inventor based in Redditch, GB. He has made significant contributions to the field of door closure technology. His innovative designs have led to the development of a unique door closer that enhances functionality and ease of use.

Latest Patents

John W Sewell holds a patent for a door closer that incorporates spring means within a housing designed for mounting with the thickness of the door. This invention features an anchor member for mounting on a door frame, along with a tension member that allows the spring means to draw the anchor member towards the housing to effect door closure. The design includes a cable with a domed abutment member engaged behind the anchor member, and a collar of non-round external shape that facilitates the adjustment of the spring force.

Career Highlights

Sewell is associated with Samuel Heath & Sons Plc, a company known for its high-quality hardware products. His work has contributed to the advancement of door closure mechanisms, making them more efficient and user-friendly. With a focus on innovation, he has successfully developed a product that meets the needs of modern architecture.

Collaborations

John W Sewell has collaborated with Roger Henry Jeynes, working together to enhance the design and functionality of door closers. Their partnership has fostered creativity and innovation in the field.

Conclusion

John W Sewell's contributions to door closure technology exemplify the spirit of innovation. His patent reflects a commitment to improving everyday products, making them more effective and reliable. His work continues to influence the industry and inspire future inventors.

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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