William P Dempsey

Title: The Innovations of William P. Dempsey

Introduction

William P. Dempsey is an accomplished inventor based in Issaquah, WA (US). He holds a total of 4 patents that showcase his contributions to the field of recycled materials, particularly in asphalt technology. His innovative approaches have made significant strides in enhancing the sustainability of construction materials.

Latest Patents

Dempsey's latest patents include a groundbreaking invention titled "Recycled asphalt pellet with reduced airborne fiberglass." This patent describes a recycled asphalt shingle pellet that features a core made from recycled asphalt shingle waste combined with a softening agent. The shell of the pellet contains no more than 5% recycled asphalt shingle waste, ensuring a high-quality product. Another notable patent is "Compositions and methods for pelletized recycled asphalt shingles," which details a core pellet that includes recycled asphalt shingle waste and a softening agent, along with a shell coating made from a binder and an aggregate blend of virgin recycled asphalt shingle waste and hydrated lime.

Career Highlights

Throughout his career, Dempsey has worked with various companies, including CertainTeed Corporation. His experience in the industry has allowed him to develop innovative solutions that address environmental concerns related to asphalt waste.

Collaborations

Dempsey has collaborated with notable individuals in his field, including William R. Bailey. These partnerships have contributed to the advancement of his inventions and the overall impact of his work.

Conclusion

William P. Dempsey's contributions to the field of recycled asphalt technology demonstrate his commitment to innovation and sustainability. His patents reflect a forward-thinking approach that addresses pressing environmental issues in construction materials.