Donald D Johnson

Title: Innovations by Donald D Johnson

Introduction

Donald D Johnson is an accomplished inventor based in Chisago, MN (US). He holds 2 patents and has made significant contributions to the field of engineering and technology. His work focuses on creating efficient solutions for environmental challenges.

Latest Patents

One of his latest inventions is the Roll-pack diesel particulate filter. This innovative device is designed to be an efficient, economical, and compact solution for filtering diesel particulate matter. It comprises a casing radially filled with a bundle of tubes made from woven, braided, or knitted inorganic yarn. Each tube is at least about twice the length of the bundle and is folded at one end to prevent exhaust from traveling through the hollow of the tube without passing through its wall.

Another notable patent is the high temperature resistant oil boom flotation core. This invention allows for the in-situ burning of spilled or leaked oil during offshore oil spill cleanup operations. The flotation core and oil containment boom are designed to withstand high temperatures, making them effective for precautionary fire containment during non-burn oil spill cleanups. They can also be easily recovered and redeployed.

Career Highlights

Donald D Johnson is associated with 3M Innovative Properties Company, where he has contributed to various innovative projects. His work has been instrumental in developing technologies that address pressing environmental issues.

Collaborations

He has collaborated with notable coworkers, including Edward M Fischer and Stephen M Sanocki, who have also contributed to advancements in their respective fields.

Conclusion

Donald D Johnson's innovative patents and contributions to environmental technology highlight his commitment to creating effective solutions. His work continues to inspire advancements in engineering and environmental protection.