Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ventilated insulated roofing system

Ventilated insulated roofing system

US Patent 4189886 · Granted Feb 26, 1980

Estimated economic value: $9,021,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System for handling flexible materials2022
Method of assembling a temperature controlled railway car2009
Moineau pump with rotating closed end outer member and nonrotating hollow inner 1990
Fastener for securing roofing material to cementitious roof decks1987
Fastener for securing roofing material to cementitious roof decks having removab1987
Fastener for securing roofing material to cementitious roof decks having removab1986