David Marvell

Title: Innovations of David Marvell

Introduction

David Marvell is a notable inventor based in Royston, GB. He has made significant contributions to the field of particulate filtration and emission treatment systems. With a total of nine patents to his name, Marvell's work is recognized for its innovative approaches to environmental technology.

Latest Patents

Among his latest patents is a method for treating particulate filters designed to filter particulate matter from exhaust gas. This method involves spraying a dry powder towards the inlet face of the filter, which is entrained in a primary flow of gas. The process includes monitoring the back pressure of the filter during the spraying, stopping when the back pressure reaches a predetermined value. Another significant patent is for a catalytic wall-flow filter, which features porous walls and multiple channels designed for efficient emission treatment. This filter incorporates selective catalytic reduction (SCR) catalysts to enhance its performance.

Career Highlights

David Marvell is currently employed at Johnson Matthey Public Limited Company, where he continues to develop innovative solutions for emission control. His work has been instrumental in advancing technologies that contribute to cleaner air and reduced environmental impact.

Collaborations

Marvell has collaborated with notable colleagues, including Guy Richard Chandler and Andrew Francis Chiffey, to further enhance the effectiveness of their innovations.

Conclusion

David Marvell's contributions to the field of particulate filtration and emission treatment are significant. His innovative patents and collaborative efforts reflect his commitment to advancing environmental technologies.