Inventor · disambiguated record
David L. Wehrs
Also filed as: WEHRS DAVID L · WEHRS DAVID LYLE
17 granted patents·2 pending applications·404 citations·filing 1984–2013
95Inventor score
Top patents by PatentIndex Score
19 records- 0196US6611775B1Electrode leakage diagnostics in a magnetic flow meterROSEMOUNT INC·Filed 2000·Granted Aug 26, 2003·102 cites·14 claims
- 0295US6615149B1Spectral diagnostics in a magnetic flow meterROSEMOUNT INC·Filed 2000·Granted Sep 2, 2003·77 cites·20 claims
- 0392US7659828B2Industrial field device with automatic indication of solidsROSEMOUNT INC·Filed 2006·Granted Feb 9, 2010·26 cites·10 claims
- 0491US8290721B2Flow measurement diagnosticsWEHRS DAVID L·Filed 2006·Granted Oct 16, 2012·27 cites·16 claims
- 0587US7680549B2Diagnostics in industrial process control systemFISHER ROSEMOUNT SYSTEMS INC·Filed 2006·Granted Mar 16, 2010·14 cites·32 claims
- 0684US9182256B2Process variable transmitter with two-wire process control loop diagnosticsWEHRS DAVID L·Filed 2010·Granted Nov 10, 2015·10 cites·20 claims
- 0783US8448525B2Differential pressure based flow measurementWEHRS DAVID L·Filed 2011·Granted May 28, 2013·7 cites·25 claims
- 0883US7155983B2Magnetic flow meter with unibody construction and conductive polymer electrodesENTEGRIS INC·Filed 2005·Granted Jan 2, 2007·12 cites·15 claims
- 0983US6594613B1Adjustable bandwidth filter for process variable transmitterROSEMOUNT INC·Filed 1998·Granted Jul 15, 2003·55 cites·30 claims
- 1080US6611770B1Liquid conduction indication in a magnetic flowmeterROSEMOUNT INC·Filed 2000·Granted Aug 26, 2003·33 cites·28 claims
- 1169US7458280B2Wet gas indication using a process fluid differential pressure transmitterROSEMOUNT INC·Filed 2007·Granted Dec 2, 2008·7 cites·22 claims
- 1266US7343817B2Magnetic flow meter with unibody construction and conductive polymer electrodesENTEGRIS INC·Filed 2007·Granted Mar 18, 2008·4 cites·20 claims
- 1365US7521944B2System and method for detecting fluid in terminal block area of field deviceROSEMOUNT INC·Filed 2006·Granted Apr 21, 2009·4 cites·21 claims
- 1461US4598251AFrequency to current converter circuitROSEMOUNT INC·Filed 1984·Granted Jul 1, 1986·11 cites·20 claims
- 1551US9534491B2Detection of position of a plunger in a wellROSEMOUNT INC·Filed 2013·Granted Jan 3, 2017·0 cites·29 claims
- 1651US5079957AConversion circuit for an electromagnetic flow transmitterROSEMOUNT INC·Filed 1989·Granted Jan 14, 1992·13 cites·15 claims
- 1744US7996161B2Process fluid pressure transmitter with pressure transient detectionROSEMOUNT INC·Filed 2008·Granted Aug 9, 2011·2 cites·26 claims
- 1843US2007062304A1Magnetic flow meter with unibody construction and conductive polymer electrodesENTEGRIS INC·Filed 2006·Application pending·0 cites
- 1942US2010274528A1Field device with measurement accuracy reportingROSEMOUNT INC·Filed 2009·Application pending·0 cites
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