United States Patents

• Intumescent Fire-Retardant Coating Material – Number 4,879,320
• Intumescent Fire-Retardant and Electrically Conductive Coating
• Material – Number 4,965,296
• Intumescent Fire-Retardant Composition for High Temperature and
• Long Duration Protection – Number 5,723,515
• Fire, Heat and Backdraft Protection Shield for Firefighters – Number 6,048,805
• Fire and Heat Protection Wrap for Conduits, Cable Trays, Other
• Electrical Transmission Lines and Gas and Oil Pipelines – Number 5,985,385
• Fire and Heat Protection Wrap for Structural Steel Columns, Beams and
• Open Web Joists Marketed Under trade Name S-Barrier – Number 6,074,714
• Insulation Blanket Having an Inner Metal Core Air Cell and Adjoining
• Outer Insulation Layers Marked Under Trade Name A-Barrier – Number 6,114,003
• Pre-Fabricated Fireproof Bulkhead with Special Interlocking Joints for a Ship – Number 6,510,807
• Fire Protection Blanket – Number 4,956,218