This invention relates to a method and apparatus for a liquid mass flowmeter. The flowmeter apparatus gives correct flow regardless of changes in density, viscosity, or composition of the liquid and corrects flow in spite of errors common in currently used flowmeters, such as, calibration shifts, restricted...http://www.google.es/patents/US4718443?utm_source=gb-gplus-sharePatente US4718443 - Mass flowmeter apparatus
