Inventor
BIRKER BERTEL
4 patents
Patents
4 patentsUS6138517AOct 31, 2000
Mass flowmeter with bidirectionally wound oscillation detector
DANFOSS AS27 citations88
US4159646AJul 3, 1979
Apparatus for measuring the flow quantity or associated parameters of a liquid with two ultrasonic transducers
DANFOSS AS44 citations87
US4159647AJul 3, 1979
Apparatus for measuring the flow quantity or associated parameters of a liquid with two ultrasonic transducers
DANFOSS AS15 citations68
US4097719AJun 27, 1978
Control system for charging and discharging an electric storage heater
DANFOSS AS7 citations65