Location History:
- Plainfield, NJ (US) (1976 - 1989)
- Redondo Beach, CA (US) (2012)
Company Filing History:
5 out of 498 
Years Active: 1976-2012
Title: The Innovative Contributions of Duane A. Davis in Asphalt Shingle Manufacturing
Introduction
Duane A. Davis is a prominent inventor based in Plainfield, NJ, recognized for his significant contributions to the field of roofing materials, particularly asphalt shingles. With a total of five patents to his name, Davis has made a lasting impact on the manufacturing process and quality of roofing products.
Latest Patents
Davis’s latest innovation revolves around a unique process for the manufacture of asphalt shingles. His patented shingle design features a rectangular sheet that includes a butt portion longitudinally divided into spaced-apart tab segments and a headlap portion that is 1.3 to 1.5 times higher than the outward extensions of the tab segments. This invention introduces an asphaltic backing of varying thickness, allowing for enhanced durability and performance. The upper area of the headlap, approximately equal in height to the butt portion, is coated with an asphaltic backing between 5 and 15 mils thick, while the remaining areas are coated uniformly with a thickness ranging from 20 to 100 mils. Furthermore, the innovative process includes strategically undercoating sections of the asphalt shingles to improve manufacturing efficiency and product quality.
Career Highlights
As an employee of GAF Corporation, Duane A. Davis has been instrumental in advancing roofing technology. His patents not only showcase his inventive spirit but also highlight the application of innovative engineering techniques in creating high-performance roofing solutions. Davis's work has greatly contributed to the company’s reputation as a leader in the roofing industry.
Collaborations
Throughout his career, Davis has collaborated with notable colleagues such as Alfredo A. Bondoc and Stanley P. Frankoski. Together, they have fostered an innovative environment conducive to developing cutting-edge solutions in roofing materials, thereby improving product offerings and establishing new industry standards.
Conclusion
Duane A. Davis exemplifies the essence of innovation in the manufacturing of asphalt shingles. His patented processes and designs serve as a foundation for advancements in roofing technology, ensuring that GAF Corporation continues to deliver high-quality products. As the industry evolves, the contributions of inventors like Davis remain vital in shaping the future of construction materials.