Inventor · disambiguated record
William R. Freund, Jr.
Also filed as: FREUND JR WILLIAM R · FREUND WILLIAM · FREUND WILLIAM R
22 granted patents·418 citations·filing 1979–2016
96Inventor score
Files withEMERSON ELECTRIC CO7DANIEL IND INC5GOTTLIEB EMANUEL J3BROWN GREGOR J2DANIEL MEASUREMENT & CONTROL2
Top patents by PatentIndex Score
22 records- 0198US7152490B1Methods for determining transducer delay time and transducer separation in ultrasonic flow metersDANIEL MEASUREMENT & CONTROL·Filed 2005·Granted Dec 26, 2006·107 cites·20 claims
- 0295US8544343B2Chordal gas flowmeter with transducers installed outside the pressure boundaryGOTTLIEB EMANUEL J·Filed 2010·Granted Oct 1, 2013·19 cites·19 claims
- 0385US8534138B2Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and methodGOTTLIEB EMANUEL J·Filed 2011·Granted Sep 17, 2013·8 cites·28 claims
- 0485US5209258AApparatus and method for minimizing pulsation-induced errors in differential pressure flow measuring devicesDANIEL FLOW PRODUCTS·Filed 1992·Granted May 11, 1993·63 cites·7 claims
- 0584US9170140B2Ultrasonic flowmeter with internal surface coating and methodBROWN GREGOR J·Filed 2012·Granted Oct 27, 2015·7 cites·22 claims
- 0680US4309909ACrystal stabilized voltage to frequency converter with digital calibration for flowmetersEMERSON ELECTRIC CO·Filed 1979·Granted Jan 12, 1982·28 cites·10 claims
- 0778US6950768B2Self-tuning ultrasonic meterDANIEL IND INC·Filed 2003·Granted Sep 27, 2005·23 cites·22 claims
- 0877US6837113B1Enhanced velocity estimation in ultrasonic flow metersDANIEL IND INC·Filed 2003·Granted Jan 4, 2005·25 cites·24 claims
- 0976US9322689B2Chordal gas flow meter with transducers installed outside the pressure boundary, and methodGOTTLIEB EMANUEL J·Filed 2013·Granted Apr 26, 2016·3 cites·15 claims
- 1075US6871666B1Bi-directional dual chamber orifice fittingDANIEL IND INC·Filed 2004·Granted Mar 29, 2005·20 cites·10 claims
- 1173US4262542AFamily of magnetic flowmetersEMERSON ELECTRIC CO·Filed 1979·Granted Apr 21, 1981·22 cites·6 claims
- 1272US6816808B2Peak switch detector for transit time ultrasonic metersDANIEL IND INC·Filed 2002·Granted Nov 9, 2004·18 cites·21 claims
- 1364US5983730AMethod and apparatus for measuring the time of flight of a signalDANIEL IND INC·Filed 1997·Granted Nov 16, 1999·29 cites·87 claims
- 1463US4325261APulsed DC constant current magnetic flowmeterEMERSON ELECTRIC CO·Filed 1979·Granted Apr 20, 1982·17 cites·7 claims
- 1559US10352744B2Chordal gas flow meter with transducers installed outside the pressure boundaryCAMERON INT CORP·Filed 2016·Granted Jul 16, 2019·0 cites·6 claims
- 1650US7624616B2Meter proving method and systemDANIEL MEASUREMENT & CONTROL·Filed 2006·Granted Dec 1, 2009·1 cites·12 claims
- 1750US4262543AMagnetic flowmeter having multiple stage amplifier with automatic zeroingEMERSON ELECTRIC CO·Filed 1979·Granted Apr 21, 1981·10 cites·5 claims
- 1848US4287774AMagnetic flowmeter with ultrasonically cleaned electrodesEMERSON ELECTRIC CO·Filed 1979·Granted Sep 8, 1981·9 cites·9 claims
- 1946US10107658B2Ultrasonic flowmeter with internal surface coating and methodBROWN GREGOR J·Filed 2015·Granted Oct 23, 2018·0 cites·22 claims
- 2039US8122754B2Meter proving method and systemFREUND JR WILLIAM R·Filed 2009·Granted Feb 28, 2012·0 cites·8 claims
- 2139US4283958AMagnetic flowmeter having automatic rangingEMERSON ELECTRIC CO·Filed 1979·Granted Aug 18, 1981·5 cites·10 claims
- 2236US4287773ABidirectional magnetic flowmeterEMERSON ELECTRIC CO·Filed 1979·Granted Sep 8, 1981·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →