Company Filing History:
Years Active: 1999-2001
Title: **Cynthia D Bellefeuille: Innovator in Air Filtration Technology**
Introduction
Cynthia D Bellefeuille, an accomplished inventor based in Eden Prairie, Minnesota, has made significant contributions to the field of air filtration technology. With a total of four patents to her name, she has developed innovative methods for creating efficient filter devices that address contamination issues in various systems, particularly in magnetic disk drives.
Latest Patents
Cynthia's latest patents showcase her expertise in filter design and functionality. One of her notable inventions is a patented method of making a filter device which effectively filters contaminants from the air of magnetic disk drive systems. The unique design employs layers of permeable fabric material, allowing for proper airflow through the filter. An adsorptive slurry is strategically deposited onto one layer of the fabric with an additional cover layer that enhances the retention of high adsorptive material surface area, leading to improved adsorption of contaminants.
Another patent titled "Filter and method for making a filter" introduces a multi-layered approach that includes an organic vapor adsorbing layer made of porous adsorbent beads. This design not only allows air to flow with minimal resistance but also increases surface area due to the beads' pores. The filter is engineered to have a high figure of merit greater than 10, demonstrating its capability for permanently adsorbing organic vapors.
Career Highlights
Throughout her career, Cynthia has held important positions at prominent companies such as Donaldson Company, Inc. and Donaldson & Company, Inc. Her work in these organizations has allowed her to refine her skills in the development of innovative air filtration solutions that address industry needs.
Collaborations
Cynthia has collaborated with a number of skilled professionals in her field. Notable coworkers include Andrew J Dallas and Suzan K Nunnink, whose collective expertise has contributed to the advancements in air filtration technologies.
Conclusion
Cynthia D Bellefeuille represents a strong voice in the innovation of air filtration, particularly with her advancements in filter technology. With her four patents and experience working with leading companies, she continues to pave the way for effective solutions in ensuring cleaner air systems across various applications. Her work not only showcases her inventive spirit but also highlights the critical need for innovation in today's fast-paced technological landscape.