HANDHELD AIR BELLOWS WITH EXPANDABLE AND RETRACTABLE AIR TUBE

MAGNETICALLY DRIVEN PRESSURE GENERATOR

Electromagnetic air pump

Electrochemical compressor architecture

Pump And Releasably Coupled Pump Actuator

Precision volumetric pump with a bellows hermetic seal

Magnetically driven pressure generator

Tubephragm pump

Fan arrangement with fan and toothed ring, and converter motor with fan arrangement

Linear-acting electric pump unit and method for operating said unit

Solenoid activated vacuum pump for an engine system and system having same

Pneumatic elastic band and inflatable system using same

Breast pump

Nested bellows pump and hybrid downhole pumping system employing same

Electric inflator

Compact pump and diaphragm assembly used therein

Magnetically driven pressure generator

Multistage compressor with magnetically actated compression stage

Electromagnetic vibratory pump

Flexible hose for bellows pressure equalizer of electrical submersible well pump

System and method for cooling electrical components using an electroactive polymer actuator

Apparatus for pumping fluid

Compressing diaphragm pump with multiple effects

High-efficiency double-intake air pump

Sensor for contactless electrocardiographic measurement

MEMBRANE VACUUM PUMP

System for cooling devices

Highly airtight gas pump

Vibration actuator

Diaphragm pump with inlet pathways passing through mounting holes

Flexible drive for breast pump

Electromagnetic pump with frequency converter circuit

Long life seal and alignment system for small cryocoolers

DC-AC frequency converter type mucus suction device

Vibrating device and piezoelectric pump

Bubble-type nose cleaner

Diaphragm pumping device

Air pump for aquariums

Diaphragm pumping device

Air pump with improved air intake control structure