Driver configuration for an ultrasonic flow meter
Driver-receiver apparatus for use with ultrasonic flowmeters
Dual bluff body vortex flowmeter
Dual chamber ultrasonic flow meter with membranes having...
Dual frequency acoustic fluid flow method and apparatus
Dual output vortex-shedding flowmeter having drag-actuated torsi
Dual sensor vortex flow meter
Dual-body vortex-shedding flowmeter
Dynamometer road simulating method and system