LandOfFree - US Patents - Listing for Refrigeration

Refrigeration – Automatic control – Of external fluid or means

Heat pump water heater

Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system

Heat pump water heater and method of making the same

Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system

Heat pump water heater and storage tank assembly

Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system

Heat pump water heater and storage tank assembly

Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system

Heat pump water heater circuit

Refrigeration – Reversible – i.e. – heat pump – External fluid flow reversed

Heat pump water heater system

Refrigeration – Automatic control – Time or program actuator

Heat pump water heater with remote storage tank and timed temper

Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate

Heat pump water heater with supplemental heat supply

Refrigeration – Automatic control – Refrigeration producer

Heat pump water heating system including a compressor having...

Refrigeration – Automatic control – Withdrawing or adding refrigerant from or to normally closed...

Heat pump with a reservoir storing higher pressure refrigerant o

Refrigeration – Processes – Defrosting or frost inhibiting

Heat pump with adaptive frost determination function

Refrigeration – Automatic control – Selective heating or cooling

Heat pump with capillary tube-type expansion device

Refrigeration – Automatic control – Of external fluid or means

Heat pump with forced air heating regulated by withdrawal of...

Refrigeration – Processes – Defrosting or frost inhibiting

Heat pump with freeze-up prevention

Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate

Heat pump with frost-free outdoor coil

Refrigeration – With means preventing or handling atmospheric condensate... – Retainer or flow director for atmospheric condensate

Heat pump with heat exchanger air inlet/exhaust duct

Refrigeration – Reversible – i.e. – heat pump

Heat pump with heat-pipe enhancement and with primary system reh

Refrigeration – Automatic control – Selective heating or cooling

Heat pump with improved performance in heating mode

Refrigeration – Reversible – i.e. – heat pump – With refrigerant collection and intermittent discharge

Heat pump with liquid refrigerant reservoir