Titirangi, New Zealand

David Jonathan Hassell

This inventor holds 1 USPTO granted patent. Top assignee: Veeder-Root Company Inc.. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Jonathan Hassell. Retrieved from https://idiyas.com/inventor/david-jonathan-hassell-z97bp83y

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 = 6.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2014

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of David Jonathan Hassell

Introduction

David Jonathan Hassell, based in Titirangi, New Zealand, is a notable inventor with a focus on improving vapor recovery systems in the field of fuel dispensing. With a patent to his name, he has contributed valuable innovations aimed at increasing efficiency and safety in fuel handling processes.

Latest Patents

Hassell's sole patent, titled "Vapor recovery pump regulation of pressure to maintain air to liquid ratio," addresses a method for operating vapor recovery systems. This inventive approach recovers vapors expelled from vehicles during refueling at fuel dispensing points and effectively returns them to underground storage tanks. The system incorporates a vapor flow path, which is interconnected with an air to liquid regulator valve and a vapor pump. Critical to this method is the regulation of vapor recovery in proportion to the fuel being dispensed. The process involves maintaining a consistent pressure in the vapor return path, ensuring optimal operation and safety.

Career Highlights

David Jonathan Hassell works at Veeder-Root Company Inc., where he applies his expertise in developing solutions that enhance fuel dispensing efficiency. His innovative approach to vapor recovery represents a significant stride in environmental protection and operational efficiency within the industry.

Collaborations

Throughout his career, Hassell has collaborated with talented individuals, including David J Bolt and Dale Spence. Together, they work on advancing technologies that contribute to safer and more efficient fuel management systems.

Conclusion

David Jonathan Hassell's work exemplifies the spirit of innovation in the realm of fuel dispensing technologies. His patented method for vapor recovery not only improves operational procedures but also makes a positive impact on environmental sustainability. As he continues his tenure at Veeder-Root Company Inc., Hassell remains a key figure in the development of efficient vapor recovery solutions.

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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