LandOfFree - US Patents - Listing for Ventilation

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Filter housing assembly for transportation vehicles

Ventilation – Vehicle – Having inlet airway

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter purge control for HVAC fixed air circulation system

Ventilation – Vehicle – Having inlet airway

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter purge control for HVAC fixed air circulation system

Ventilation – Vehicle – Having inlet airway

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter purge control for HVAC variable air circulation system

Ventilation – Vehicle – Having inlet airway

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter purge control for HVAC variable air circulation system

Ventilation – Vehicle – Having inlet airway

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter window adapter unit

Ventilation – Vehicle – Railcar – bus – or trailer

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter window adapter unit

Ventilation – Vehicle – Railcar – bus – or trailer

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filter-ventilator-arrangement

Ventilation – Clean room

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Filtered cold air baseboard return

Ventilation – Having inlet airway – Including specific air distributor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire and smoke damper

Ventilation – Fire damper

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire closure shutter

Ventilation – Fire damper

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire damper assembly

Ventilation – Fire damper

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire damper with auxiliary springs

Ventilation – Having inlet airway – Including automatic control means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire protection system and method using dual-purpose plumbing

Ventilation – Having inlet airway – Including automatic control means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire rated wall damper assembly

Ventilation – Having inlet airway – Including automatic control means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire resistant air transfer grille or damper

Ventilation – Fire damper

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire responsive closing air vent

Ventilation – Fire damper

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire Retardant reinforced plastic duct system

Ventilation – Having outlet airway – With air pump

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire stop outlet for small duct, high velocity air...

Ventilation – Having inlet airway – Including specific air distributor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Fire/smoke damper control system

Ventilation – Fire damper

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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