Inventor

FREUND JR WILLIAM R

US20 patents

⚠️ This page may combine multiple inventors who share the name “FREUND JR WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FREUND JR WILLIAM R

EMERSON ELECTRIC CO

Crystal stabilized voltage to frequency converter with digital calibration for flowmeters

Family of magnetic flowmeters

Magnetic flowmeter with ultrasonically cleaned electrodes

Magnetic flowmeter having multiple stage amplifier with automatic zeroing

Pulsed DC constant current magnetic flowmeter

Bidirectional magnetic flowmeter

Magnetic flowmeter having automatic ranging

DANIEL IND INC

Self-tuning ultrasonic meter

Enhanced velocity estimation in ultrasonic flow meters

Bi-directional dual chamber orifice fitting

Peak switch detector for transit time ultrasonic meters

GOTTLIEB EMANUEL J

Chordal gas flowmeter with transducers installed outside the pressure boundary

Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and method

Chordal gas flow meter with transducers installed outside the pressure boundary, and method

DANIEL MEASUREMENT & CONTROL

Methods for determining transducer delay time and transducer separation in ultrasonic flow meters

Meter proving method and system

BROWN GREGOR J

Ultrasonic flowmeter with internal surface coating and method

Ultrasonic flowmeter with internal surface coating and method

CAMERON INT CORP

Chordal gas flow meter with transducers installed outside the pressure boundary

FREUND JR WILLIAM R

Meter proving method and system