Brian L. Westfield

Person

Chanhassen, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless process variable transmitter with battery power source
- Patent number 12,152,912
- Issue date Nov 26, 2024
- Rosemount Inc.
- Brian Lee Westfield
- H01 - BASIC ELECTRIC ELEMENTS
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
RF adapter for field device with low voltage intrinsic safety clamping
- Patent number 8,787,848
- Issue date Jul 22, 2014
- Rosemount Inc.
- John A. Kielb
- G05 - CONTROLLING REGULATING
Information Patent Grant
Form factor and electromagnetic interference protection for process...
- Patent number 8,694,060
- Issue date Apr 8, 2014
- Rosemount Inc.
- Joel D. Vanderaa
- G08 - SIGNALLING
Information Patent Grant
Two wire transmitter with isolated can output
- Patent number 8,208,581
- Issue date Jun 26, 2012
- Rosemount Inc.
- Brian Lee Westfield
- G01 - MEASURING TESTING
Information Patent Grant
RF adapter for field device
- Patent number 8,160,535
- Issue date Apr 17, 2012
- Rosemount Inc.
- John A. Kielb
- G05 - CONTROLLING REGULATING
Information Patent Grant
RF adapter for field device with loop current bypass
- Patent number 8,049,361
- Issue date Nov 1, 2011
- Rosemount Inc.
- John A. Kielb
- G05 - CONTROLLING REGULATING
Information Patent Grant
Process field device with radio frequency communication
- Patent number 7,956,738
- Issue date Jun 7, 2011
- Rosemount Inc.
- Robert J. Karschnia
- G05 - CONTROLLING REGULATING
Information Patent Grant
Two wire transmitter with isolated can output
- Patent number 7,773,715
- Issue date Aug 10, 2010
- Rosemount Inc.
- Brian Lee Westfield
- G01 - MEASURING TESTING
Information Patent Grant
Process field device temperature control
- Patent number 7,679,033
- Issue date Mar 16, 2010
- Rosemount Inc.
- Brian L. Westfield
- G01 - MEASURING TESTING
Information Patent Grant
Process field device with radio frequency communication
- Patent number 7,262,693
- Issue date Aug 28, 2007
- Rosemount Inc.
- Robert J. Karschnia
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process transmitter having a step-up converter for powering analog...
- Patent number 6,813,318
- Issue date Nov 2, 2004
- Rosemount Inc,
- Brian L. Westfield
- G05 - CONTROLLING REGULATING
Information Patent Grant
Process transmitter with local databus
- Patent number 6,765,968
- Issue date Jul 20, 2004
- Rosemount Inc.
- Richard L. Nelson
- G01 - MEASURING TESTING
Information Patent Grant
Gas fill system in a pressure transmitter
- Patent number 6,609,427
- Issue date Aug 26, 2003
- Rosemount Inc.
- Brian L. Westfield
- G01 - MEASURING TESTING
Information Patent Grant
Modular process transmitter having a scalable EMI/RFI filtering arc...
- Patent number 6,593,857
- Issue date Jul 15, 2003
- Rosemount Inc.
- Weston Roper
- G01 - MEASURING TESTING
Information Patent Grant
Process control transmitter having an externally accessible DC circ...
- Patent number 6,504,489
- Issue date Jan 7, 2003
- Rosemount Inc.
- Brian L. Westfield
- G08 - SIGNALLING
Information Patent Grant
Preinstallation of a pressure sensor module
- Patent number 6,487,912
- Issue date Dec 3, 2002
- Rosemount Inc.
- Steven M. Behm
- G01 - MEASURING TESTING
Information Patent Grant
Multiple die industrial process control transmitter
- Patent number 6,480,131
- Issue date Nov 12, 2002
- Rosemount Inc.
- Weston R. Roper
- G05 - CONTROLLING REGULATING
Information Patent Grant
Conversion circuit for process control system
- Patent number 6,307,483
- Issue date Oct 23, 2001
- Rosemount Inc.
- Brian L. Westfield
- G05 - CONTROLLING REGULATING
Information Patent Grant
Conversion circuit for process control system
- Patent number 5,963,147
- Issue date Oct 5, 1999
- Rosemont Inc.
- Brian L. Westfield
- G05 - CONTROLLING REGULATING
Information Patent Grant
Conversion circuit for process control system
- Patent number 5,650,777
- Issue date Jul 22, 1997
- Rosemount Inc.
- Brian L. Westfield
- G05 - CONTROLLING REGULATING
Information Patent Grant
Field transmitter built-in test equipment
- Patent number 5,481,200
- Issue date Jan 2, 1996
- Rosemont Inc.
- Kevin D. Voegele
- G01 - MEASURING TESTING
Information Patent Grant
Three wire low power transmitter
- Patent number 5,245,333
- Issue date Sep 14, 1993
- Rosemount Inc.
- Stephen D. Anderson
- G08 - SIGNALLING
Information Patent Grant
Charge balanced feedback transmitter
- Patent number 4,878,012
- Issue date Oct 31, 1989
- Rosemount Inc.
- John P. Schulte
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LOAD ADAPTER MODULE FOR WIRELESS DISCRETE INPUT/OUTPUT FIELD DEVICE
- Publication number 20240305328
- Publication date Sep 12, 2024
- Rosemount Inc.
- Brian Lee Westfield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOAD THROTTLING FOR BATTERY OPERATED DEVICES
- Publication number 20240298267
- Publication date Sep 5, 2024
- Rosemount Inc.
- Eric Russell Lovegren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS PROCESS VARIABLE TRANSMITTER WITH BATTERY POWER SOURCE
- Publication number 20230098203
- Publication date Mar 30, 2023
- Rosemount Inc.
- Brian Lee Westfield
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS DISCRETE INPUT/OUTPUT WITH EXTERNAL POWER OPTION
- Publication number 20220399912
- Publication date Dec 15, 2022
- Rosemount Inc.
- Brian Lee Westfield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
TWO WIRE TRANSMITTER WITH ISOLATED CAN OUTPUT
- Publication number 20100299542
- Publication date Nov 25, 2010
- Brian Lee Westfield
- G01 - MEASURING TESTING
Information Patent Application
RF ADAPTER FOR FIELD DEVICE WITH LOOP CURRENT BYPASS
- Publication number 20090311971
- Publication date Dec 17, 2009
- John A. Kielb
- G05 - CONTROLLING REGULATING
Information Patent Application
FORM FACTOR AND ELECTROMAGNETIC INTERFERENCE PROTECTION FOR PROCESS...
- Publication number 20090311976
- Publication date Dec 17, 2009
- Joel D. Vanderaa
- G08 - SIGNALLING
Information Patent Application
RF ADAPTER FOR FIELD DEVICE WITH LOW VOLTAGE INTRINSIC SAFETY CLAMPING
- Publication number 20090253388
- Publication date Oct 8, 2009
- John A. Kielb
- G05 - CONTROLLING REGULATING
Information Patent Application
RF ADAPTER FOR FIELD DEVICE
- Publication number 20080280568
- Publication date Nov 13, 2008
- John A. Kielb
- G05 - CONTROLLING REGULATING
Information Patent Application
PROCESS FIELD DEVICE WITH RADIO FREQUENCY COMMUNICATION
- Publication number 20070285224
- Publication date Dec 13, 2007
- Robert J. Karschnia
- G05 - CONTROLLING REGULATING
Information Patent Application
Process fluid device temperature control
- Publication number 20070068922
- Publication date Mar 29, 2007
- Brian L. Westfield
- G05 - CONTROLLING REGULATING
Information Patent Application
Process field device with radio frequency communication
- Publication number 20050289276
- Publication date Dec 29, 2005
- Robert J. Karschnia
- G05 - CONTROLLING REGULATING
Information Patent Application
Two wire transmitter with isolated can output
- Publication number 20040184517
- Publication date Sep 23, 2004
- Rosemount Inc.
- Brian Lee Westfield
- G01 - MEASURING TESTING

Brian L. Westfield

Person

Patents Grantslast 30 patents

Wireless process variable transmitter with battery power source

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

RF adapter for field device with low voltage intrinsic safety clamping

Form factor and electromagnetic interference protection for process...

Two wire transmitter with isolated can output

RF adapter for field device

RF adapter for field device with loop current bypass

Process field device with radio frequency communication

Two wire transmitter with isolated can output

Process field device temperature control

Process field device with radio frequency communication

Process transmitter having a step-up converter for powering analog...

Process transmitter with local databus

Gas fill system in a pressure transmitter

Modular process transmitter having a scalable EMI/RFI filtering arc...

Process control transmitter having an externally accessible DC circ...

Preinstallation of a pressure sensor module

Multiple die industrial process control transmitter

Conversion circuit for process control system

Conversion circuit for process control system

Conversion circuit for process control system

Field transmitter built-in test equipment

Three wire low power transmitter

Charge balanced feedback transmitter

Patents Applicationslast 30 patents

LOAD ADAPTER MODULE FOR WIRELESS DISCRETE INPUT/OUTPUT FIELD DEVICE

LOAD THROTTLING FOR BATTERY OPERATED DEVICES

WIRELESS PROCESS VARIABLE TRANSMITTER WITH BATTERY POWER SOURCE

WIRELESS DISCRETE INPUT/OUTPUT WITH EXTERNAL POWER OPTION

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

TWO WIRE TRANSMITTER WITH ISOLATED CAN OUTPUT

RF ADAPTER FOR FIELD DEVICE WITH LOOP CURRENT BYPASS

FORM FACTOR AND ELECTROMAGNETIC INTERFERENCE PROTECTION FOR PROCESS...

RF ADAPTER FOR FIELD DEVICE WITH LOW VOLTAGE INTRINSIC SAFETY CLAMPING

RF ADAPTER FOR FIELD DEVICE

PROCESS FIELD DEVICE WITH RADIO FREQUENCY COMMUNICATION

Process fluid device temperature control

Process field device with radio frequency communication

Two wire transmitter with isolated can output