This inventor holds 21 USPTO granted patents and 4 published patent applications, plus 2 CIPO patents and 1 EPO patent, primarily in Gypsum Building Materials. Top assignees: Georgia-Pacific Gypsum, Inc., Georgia-Pacific Corporation, G-P Gypsum Corporation. Active years: 1981-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Portland, OR (US) (1981)
- Lithonia, GA (US) (1992 - 2019)
Company Filing History:


Years Active: 1981-2019
Areas of Expertise:
Title: Innovations of Hubert C. Francis: A Beacon of Advancements in Building Materials
Introduction: Hubert C. Francis, a prolific inventor based in Lithonia, GA, has made significant contributions to the field of building materials. With a remarkable portfolio of 21 patents, his work primarily focuses on innovative wallboard technologies that enhance thermal efficiency and structural strength.
Latest Patents: Among his latest inventions are the "Lightweight Gypsum Wallboard" and "Low Thermal Transmission Building Material." The Lightweight Gypsum Wallboard features a foamed gypsum core that is reinforced with pre-gelatinized starch, providing a balance of lightness and durability. The manufacturing process involves mixing an aqueous foam into a gypsum slurry composed of calcined gypsum, starch, and a lignosulfonate dispersant, followed by setting and drying the gypsum core. The Low Thermal Transmission Building Material includes a wallboard and methods for both its preparation and gypsum slurry creation, utilizing non-fibrous calcium sulfate forms to enhance efficiency while incorporating aerogel to improve thermal properties.
Career Highlights: Hubert C. Francis has made his mark in esteemed companies, particularly Georgia-Pacific Gypsum, Inc. and Georgia-Pacific Corporation. His innovative approach to building materials has not only contributed to his success but has also influenced industry practices.
Collaborations: Throughout his career, Hubert has collaborated with notable professionals such as Turner W. Richards and George F. Fowler. Their combined expertise has facilitated advancements in material science, further enriching the field and bringing about cutting-edge solutions.
Conclusion: Hubert C. Francis stands as a distinguished inventor whose contributions to building materials continue to shape the industry. His innovative patents reflect a commitment to enhancing functionality and sustainability, establishing a legacy that inspires future advancements in construction technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile