Cheltenham, United Kingdom

John R Spanner

This inventor holds 1 USPTO granted patent. Top assignee: Dowty Seals Limited. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John R Spanner. Retrieved from https://idiyas.com/inventor/john-r-spanner

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 = 3.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of John R Spanner

Introduction

John R Spanner is a notable inventor based in Cheltenham, GB. He is recognized for his significant contributions to the field of medical devices, particularly in the design of syringes. His innovative approach has led to the development of a unique non-reusable syringe that addresses critical safety concerns in medical practices.

Latest Patents

One of John R Spanner's most important patents is for a non-reusable syringe. This invention features a barrel with means for positioning a needle at the forward end, a plunger that is displaceable within the barrel, and sealing means that maintain the integrity of a dispensing chamber. Notably, the plunger is equipped with disabling means that render the sealing means ineffective after the first use of the syringe. This design aims to prevent the reuse of syringes, thereby enhancing patient safety and reducing the risk of infection.

Career Highlights

John R Spanner has made significant strides in his career, working with Dowty Seals Limited, a company known for its innovative solutions in sealing technologies. His work has not only contributed to the company's reputation but has also advanced the field of medical devices. With a patent portfolio that includes 1 patent, he continues to be a valuable asset in the industry.

Collaborations

Throughout his career, John has collaborated with talented individuals such as Nonton Hill-Male and Harinder S Soomal. These partnerships have fostered an environment of innovation and creativity, leading to the development of groundbreaking medical solutions.

Conclusion

John R Spanner's contributions to the field of medical devices, particularly through his patented non-reusable syringe, highlight his commitment to improving safety in healthcare. His work at Dowty Seals Limited and collaborations with other professionals further emphasize his role as an influential inventor.

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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