Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Energy saver damper assembly

Energy saver damper assembly

US Patent 4520959 · Granted Jun 4, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

K-Ring electromagnetic treatment apparatus, system and method for tumors, arthri2013
Automatic temperature controlled shower head assembly1999
Static venting system1998
Secondary duct installation apparatus and method for a forced air ventilation sy1996
Magnetic field therapy apparatus1996
Passive building vents1992
Automatic damper assembly1987
Passive building vents1986
Energy saver damper assembly1986
Energy saver damper assembly1986
Automatic damper assembly1986
Unidirectional vent1986