Air winch control valve

Air-gas controller unit

Air-precluding flow regulator

Air/vacuum valve throttling apparatus

Airbag valve with adjustable dead band

Aircraft engine bleed air flow balancing technique

Aircraft fuel transfer pump with auxiliary fuel line scavenge pu

Aircraft toilet tank filling valve assembly

Aircraft waste system drain valve

Airflow control valve having single inlet and multiple outlets

Airflow controlling mechanism

Airflow divider with shutoff

Altering flow of gaseous substances

Alternating distributor for high-viscosity liquids

Alternator valve

Ambulatory cylinder recharging and dispensing valve

Amplifying system for solenoid controlled proportion valve

Amplitude attenuation of time-variant properties of fluid...

Analog proportional pressure control three-way valve

Anesthesia delivery systems and methods