Company Filing History:
Years Active: 1976-1993
Title: The Innovations of Philip Bickford Shepherd
Introduction
Philip Bickford Shepherd is an accomplished inventor based in Sedalia, Colorado. He holds a total of 4 patents that showcase his innovative contributions to the field of building materials and roofing products. His work reflects a commitment to enhancing the efficiency and effectiveness of construction materials.
Latest Patents
One of Shepherd's latest patents is for a lightweight building material board. This wallboard has a density ranging from 10 pcf to 30 pcf and is made from a faced layer of expanded siliceous inorganic particles, such as expanded perlite, bonded together by an inorganic binder like sodium silicate. The manufacturing process involves depositing a mixture of particles, binder, and water onto a moving web of facing material, compacting it to the desired shape and density, and then drying the resulting board. Notably, fire-resistant and water-repellent versions of this board are also disclosed. Another significant patent is for a fibrous mat, especially suitable for roofing products. This economical and uniform fibrous glass mat displays improved tear strength and is produced through a wet forming process. The mat is designed as a carrier material for asphalt shingles and includes a web of base fibers made from individual monofilament glass fibers and reinforcement fibers in a randomly oriented pattern.
Career Highlights
Throughout his career, Philip Bickford Shepherd has worked with notable companies, including Johns Manville and Manville Corporation. His experience in these organizations has contributed to his expertise in developing innovative building materials.
Collaborations
Shepherd has collaborated with several professionals in his field, including George John Hannes and Theodore Richard Rohweder. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Philip Bickford Shepherd's contributions to the field of building materials and roofing products demonstrate his innovative spirit and dedication to improving construction technologies. His patents reflect a blend of creativity and practicality that continues to influence the industry.