Location History:
- Cambridge, GB (2011 - 2016)
- Lower Cambourne, GB (2013 - 2016)
- Royston, GB (2017)
Company Filing History:
Years Active: 2011-2017
Title: Innovations of David Robert Greenwell
Introduction
David Robert Greenwell is a notable inventor based in Cambridge, GB. He has made significant contributions to the field of catalytic filters for internal combustion engines. With a total of 8 patents to his name, Greenwell's work focuses on enhancing the efficiency and effectiveness of exhaust gas filtration systems.
Latest Patents
Among his latest patents, Greenwell has developed a "Filter substrate comprising three-way catalyst." This invention involves a catalyzed filter designed for positive ignition internal combustion engines. It features a porous filtering substrate coated with a three-way catalyst washcoat composition that includes precious metals such as rhodium, platinum, and palladium. The design ensures optimal performance by axially sharing the substrate into zones with varying washcoat loadings.
Another significant patent is the "Filter substrate comprising zone-coated catalyst washcoat." This invention pertains to a ceramic porous wall-flow filter substrate that effectively filters particulate matter from exhaust gases. The substrate is uniquely structured with inlet and outlet channels, and it incorporates a catalyst washcoat composition that varies in pore size, enhancing its filtration capabilities.
Career Highlights
Throughout his career, David Robert Greenwell has worked with prominent companies, including Johnson Matthey Public Limited Company and Johnson Matthey Inc. His expertise in catalytic systems has positioned him as a key player in the development of advanced filtration technologies.
Collaborations
Greenwell has collaborated with notable colleagues such as Louise Clare Arnold and Robert James Brisley. Their combined efforts have contributed to the advancement of innovative solutions in the field of exhaust gas filtration.
Conclusion
David Robert Greenwell's contributions to the field of catalytic filters demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving environmental standards in automotive technology.