Company Filing History:
2 out of 133 
1 out of 26 
Years Active: 2004-2014
Title: Innovations by Joseph McDonald in Emissions Measurement Technology
Introduction
Joseph McDonald, based in Ann Arbor, MI, has made significant contributions to the field of emissions measurement technology. With three patents to his name, his work focuses on improving the accuracy and efficiency of exhaust gas sampling systems. His inventions aim to enhance environmental monitoring and contribute to cleaner air quality.
Latest Patents
One of McDonald's notable patents is the "Raw Proportional Toxic Sampler for Sampling Exhaust." This innovative device captures components of interest from exhaust gas using a resin column. By adding makeup air and regulating the flow through a blower, it ensures precise sampling proportional to the exhaust gas flow rate. This design improves the reliability of emissions data from operating vehicles.
Another significant patent is the "Heated Stainless Steel Emissions Canister." This exhaust gas measurement system features a probe that extracts exhaust gas samples, which are then stored in a stainless steel canister. The system incorporates a pump and a pressure mass flow controller to measure and correct the exhaust gas flow based on temperature and pressure readings. The heating device maintains optimal temperatures for accurate measurements, further refining the analysis of hydrocarbons in emissions.
Career Highlights
Throughout his career, Joseph McDonald has played a vital role in advancing emissions measurement technology. He has contributed to organizations such as the United States Environmental Protection Agency and AVL North America, Inc., where he applied his expertise to develop innovative solutions for environmental monitoring.
Collaborations
McDonald has collaborated with esteemed professionals in his field, including Charles R. Schenk and Christopher A. Laroo. Their combined efforts have led to advancements in emissions technology, highlighting the importance of teamwork in innovation.
Conclusion
Joseph McDonald stands out as an inventor dedicated to enhancing emissions measurement systems. His innovative patents reflect a commitment to environmental stewardship and technology advancement. With a focus on accurate emissions data, McDonald's work paves the way for better regulatory practices and improved air quality standards.