Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Water heater with air intake and exhaust system

Water heater with air intake and exhaust system

US Patent 7159540 · Granted Jan 9, 2007

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hybrid fossil fuel-electric multi-function heat pump2024
Hydronic air-handler devices and systems2024
Gas-fired appliance and control algorithm for same2023
Electronic expansion valves having multiple orifice plates2021
Sorption heat pump and control method2021
Methods and apparatus for heating air with hot water2017
Furnace burner radiation shield2017
Water heating system2016
Gas-fired heat pump water heater2015
Methods and apparatus for heating air with hot water2014
Methods and apparatus for heating air with hot water2013
Water heater with flammable vapor sensor2009