{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Silicate coated roofing granules", "item": "https://www.patentleaderboard.com/patent/4378408"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Silicate coated roofing granules

Silicate coated roofing granules

US Patent 4378408 · Granted Mar 29, 1983

Estimated economic value: $1,053,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hyperbright white roofing granules with high solar reflectance2022
Roofing granules of enhanced solar reflectance2011
Roofing granules of enhanced solar reflectance2010
Roofing granules2006
Low pigments costs algae-retardant roofing granule products containing metallic 2005
Roofing granules with a decorative metallic appearance2003
Roofing granules with a decorative metallic appearance2003
Darkened headlap manufacturing process and product produced thereby2002
Color stable pigment for granular surface coated roofing and siding shingles2001
Algae-resistant roofing granules2001
Light colored roofing granules1982