David L. Wehrs

Person

Eden Prairie, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Detection of position of a plunger in a well
- Patent number 9,534,491
- Issue date Jan 3, 2017
- Rosemount Inc.
- John Philip Miller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process variable transmitter with two-wire process control loop dia...
- Patent number 9,182,256
- Issue date Nov 10, 2015
- Rosemount Inc.
- David L. Wehrs
- G05 - CONTROLLING REGULATING
Information Patent Grant
Differential pressure based flow measurement
- Patent number 8,448,525
- Issue date May 28, 2013
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Flow measurement diagnostics
- Patent number 8,290,721
- Issue date Oct 16, 2012
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Process fluid pressure transmitter with pressure transient detection
- Patent number 7,996,161
- Issue date Aug 9, 2011
- Rosemount Inc.
- Andrew J. Klosinski
- G01 - MEASURING TESTING
Information Patent Grant
Diagnostics in industrial process control system
- Patent number 7,680,549
- Issue date Mar 16, 2010
- Fisher-Rosemount Systems, Inc.
- Kadir Kavaklioglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Industrial field device with automatic indication of solids
- Patent number 7,659,828
- Issue date Feb 9, 2010
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
System and method for detecting fluid in terminal block area of fie...
- Patent number 7,521,944
- Issue date Apr 21, 2009
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Wet gas indication using a process fluid differential pressure tran...
- Patent number 7,458,280
- Issue date Dec 2, 2008
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic flow meter with unibody construction and conductive polyme...
- Patent number 7,343,817
- Issue date Mar 18, 2008
- Entegris, Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic flow meter with unibody construction and conductive polyme...
- Patent number 7,155,983
- Issue date Jan 2, 2007
- Entegris, Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Spectral diagnostics in a magnetic flow meter
- Patent number 6,615,149
- Issue date Sep 2, 2003
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Electrode leakage diagnostics in a magnetic flow meter
- Patent number 6,611,775
- Issue date Aug 26, 2003
- Rosemount Inc.
- Thomas P. Coursolle
- G01 - MEASURING TESTING
Information Patent Grant
Liquid conduction indication in a magnetic flowmeter
- Patent number 6,611,770
- Issue date Aug 26, 2003
- Rosemount Inc.
- William E. O'Donnell
- G01 - MEASURING TESTING
Information Patent Grant
Adjustable bandwidth filter for process variable transmitter
- Patent number 6,594,613
- Issue date Jul 15, 2003
- Rosemount Inc.
- Kevin Ley
- G01 - MEASURING TESTING
Information Patent Grant
Conversion circuit for an electromagnetic flow transmitter
- Patent number 5,079,957
- Issue date Jan 14, 1992
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Grant
Frequency to current converter circuit
- Patent number 4,598,251
- Issue date Jul 1, 1986
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Detection of Position of a Plunger in a Well
- Publication number 20150090445
- Publication date Apr 2, 2015
- ROSEMOUNT INC.
- John Philip Miller
- E21 - EARTH DRILLING MINING
Information Patent Application
DIFFERENTIAL PRESSURE BASED FLOW MEASUREMENT
- Publication number 20120222494
- Publication date Sep 6, 2012
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
PROCESS VARIABLE TRANSMITTER WITH TWO-WIRE PROCESS CONTROL LOOP DIA...
- Publication number 20110010120
- Publication date Jan 13, 2011
- David L. Wehrs
- G05 - CONTROLLING REGULATING
Information Patent Application
Field device with measurement accuracy reporting
- Publication number 20100274528
- Publication date Oct 28, 2010
- Rosemount Inc.
- Gregory Jacques Lecuyer
- G05 - CONTROLLING REGULATING
Information Patent Application
PROCESS FLUID PRESSURE TRANSMITTER WITH PRESSURE TRANSIENT DETECTION
- Publication number 20090139346
- Publication date Jun 4, 2009
- Andrew J. Klosinski
- G01 - MEASURING TESTING
Information Patent Application
System and method for detecting fluid in terminal block area of fie...
- Publication number 20080156090
- Publication date Jul 3, 2008
- Rosemount Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
Magnetic flow meter with unibody construction and conductive polyme...
- Publication number 20070234821
- Publication date Oct 11, 2007
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
Wet gas indication using a process fluid differential pressure tran...
- Publication number 20070163362
- Publication date Jul 19, 2007
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
Industrial field device with automatic indication of solids
- Publication number 20070069903
- Publication date Mar 29, 2007
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
Magnetic flow meter with unibody construction and conductive polyme...
- Publication number 20070062304
- Publication date Mar 22, 2007
- Entegris, Inc.
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
Diagnostics in industrial process control system
- Publication number 20070010900
- Publication date Jan 11, 2007
- Kadir Kavaklioglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Flow measurement diagnostics
- Publication number 20060277000
- Publication date Dec 7, 2006
- David L. Wehrs
- G01 - MEASURING TESTING
Information Patent Application
Magnetic flow meter with unibody construction and conductive polyme...
- Publication number 20060174715
- Publication date Aug 10, 2006
- David L. Wehrs
- G01 - MEASURING TESTING

David L. Wehrs

Person

Patents Grantslast 30 patents

Detection of position of a plunger in a well

Process variable transmitter with two-wire process control loop dia...

Differential pressure based flow measurement

Flow measurement diagnostics

Process fluid pressure transmitter with pressure transient detection

Diagnostics in industrial process control system

Industrial field device with automatic indication of solids

System and method for detecting fluid in terminal block area of fie...

Wet gas indication using a process fluid differential pressure tran...

Magnetic flow meter with unibody construction and conductive polyme...

Magnetic flow meter with unibody construction and conductive polyme...

Spectral diagnostics in a magnetic flow meter

Electrode leakage diagnostics in a magnetic flow meter

Liquid conduction indication in a magnetic flowmeter

Adjustable bandwidth filter for process variable transmitter

Conversion circuit for an electromagnetic flow transmitter

Frequency to current converter circuit

Patents Applicationslast 30 patents

Detection of Position of a Plunger in a Well

DIFFERENTIAL PRESSURE BASED FLOW MEASUREMENT

PROCESS VARIABLE TRANSMITTER WITH TWO-WIRE PROCESS CONTROL LOOP DIA...

Field device with measurement accuracy reporting

PROCESS FLUID PRESSURE TRANSMITTER WITH PRESSURE TRANSIENT DETECTION

System and method for detecting fluid in terminal block area of fie...

Magnetic flow meter with unibody construction and conductive polyme...

Wet gas indication using a process fluid differential pressure tran...

Industrial field device with automatic indication of solids

Magnetic flow meter with unibody construction and conductive polyme...

Diagnostics in industrial process control system

Flow measurement diagnostics

Magnetic flow meter with unibody construction and conductive polyme...