Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Settle resistant loose-fill perlite insulation comprising particles rendered slightly tacky by a coating thereon

Settle resistant loose-fill perlite insulation comprising particles rendered slightly tacky by a coating thereon

US Patent 4212755 · Granted Jul 15, 1980

Estimated economic value: $177,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Locking jack for a window well cover2013
Fire-barrier composition2007
Purified attapulgite clay2000
Perlite boards and method for making same1982
Loose-fill, thermal insulation1981
Loose-fill, thermal insulation1981