Acoustic beam levitation

Acoustic convective system

Acoustical transducer enclosure

Aero-acoustic levitation device and method

Gas flow generator and apparatus for using the same

Gas pulsation attenuator for automotive air conditioning compres

Method and apparatus for acoustic levitation

Method and apparatus for implanting geophones into the earth

Method and apparatus for stabilizing levitated objects

Method for improving coupling with the ground of land based seis

Method of detecting leak of fluid from a long pipeline

Method of transmitting ultrasonic impulses to surface using tran

Methods and means for analyzing substances

Mosquito repellant apparatus

Multistage turbulence shield for microphones

Noise suppression by gas liquid mixture

Oil pressure adjustment device for engines

Reversible polarity borehole seismic device for P and enhanced S

Seismic isolator

Single mode levitation and translation