This inventor holds 2 USPTO granted patents. Top assignees: Arvin Industries, Inc., Faurecia Emissions Control Technologies USA, LLC. Active years: 1978-2014.
Company Filing History:

Years Active: 1978-2014
Title: David Marshall Prather: Innovator in Vehicle Exhaust Systems
Introduction
David Marshall Prather is a notable inventor based in Columbus, Indiana. He has made significant contributions to the field of vehicle exhaust systems, holding a total of 2 patents. His innovative designs focus on improving the efficiency and functionality of exhaust systems in vehicles.
Latest Patents
One of Prather's latest patents is an air entrainment component for vehicle exhaust systems. This invention includes an exhaust pipe with a non-circular cross-section at one end and an overlap tube that surrounds the non-circular cross-section, creating an air gap. This design allows cooling external air to be drawn into the air gap, effectively reducing exhaust gas temperatures exiting the vehicle exhaust system. Another significant patent is for a muffler that does not require a low-frequency Helmholtz resonator. This muffler features an outer shell and multiple internal baffles that define various chambers, allowing for effective sound attenuation without the need for additional resonators.
Career Highlights
Throughout his career, David Prather has worked with prominent companies in the automotive industry. He has been associated with Arvin Industries, Inc. and Faurecia Emissions Control Technologies USA, LLC. His experience in these organizations has contributed to his expertise in exhaust system technologies.
Collaborations
Prather has collaborated with various professionals in his field, including his coworker Graham F. Thieman. Their joint efforts have likely led to advancements in the technologies they have worked on together.
Conclusion
David Marshall Prather's contributions to vehicle exhaust systems through his innovative patents demonstrate his commitment to enhancing automotive technology. His work continues to influence the industry and improve vehicle performance.