Inventor · disambiguated record
Brian L. Westfield
Also filed as: WESTFIELD BRIAN L · WESTFIELD BRIAN LEE
25 granted patents·1 pending application·937 citations·filing 1988–2023
97Inventor score
Top patents by PatentIndex Score
26 records- 0198US7262693B2Process field device with radio frequency communicationROSEMOUNT INC·Filed 2004·Granted Aug 28, 2007·94 cites·24 claims
- 0295US6609427B1Gas fill system in a pressure transmitterROSEMOUNT INC·Filed 2000·Granted Aug 26, 2003·56 cites·22 claims
- 0395US6487912B1Preinstallation of a pressure sensor moduleROSEMOUNT INC·Filed 2000·Granted Dec 3, 2002·64 cites·20 claims
- 0494US5481200AField transmitter built-in test equipmentROSEMONT INC·Filed 1993·Granted Jan 2, 1996·136 cites·8 claims
- 0593US4878012ACharge balanced feedback transmitterROSEMOUNT INC·Filed 1988·Granted Oct 31, 1989·72 cites·25 claims
- 0692US6593857B1Modular process transmitter having a scalable EMI/RFI filtering architectureROSEMOUNT INC·Filed 2000·Granted Jul 15, 2003·41 cites·31 claims
- 0791US8787848B2RF adapter for field device with low voltage intrinsic safety clampingKIELB JOHN A·Filed 2009·Granted Jul 22, 2014·29 cites·25 claims
- 0890US7956738B2Process field device with radio frequency communicationROSEMOUNT INC·Filed 2007·Granted Jun 7, 2011·12 cites·97 claims
- 0989US8049361B2RF adapter for field device with loop current bypassROSEMOUNT INC·Filed 2009·Granted Nov 1, 2011·19 cites·22 claims
- 1087US8160535B2RF adapter for field deviceKIELB JOHN A·Filed 2008·Granted Apr 17, 2012·19 cites·38 claims
- 1186US8694060B2Form factor and electromagnetic interference protection for process device wireless adaptersVANDERAA JOEL D·Filed 2009·Granted Apr 8, 2014·28 cites·25 claims
- 1286US6480131B1Multiple die industrial process control transmitterROSEMOUNT INC·Filed 2000·Granted Nov 12, 2002·46 cites·17 claims
- 1385US6765968B1Process transmitter with local databusROSEMOUNT INC·Filed 2000·Granted Jul 20, 2004·28 cites·17 claims
- 1485US6504489B1Process control transmitter having an externally accessible DC circuit commonROSEMOUNT INC·Filed 2000·Granted Jan 7, 2003·47 cites·27 claims
- 1584US9182256B2Process variable transmitter with two-wire process control loop diagnosticsWEHRS DAVID L·Filed 2010·Granted Nov 10, 2015·10 cites·20 claims
- 1683US8208581B2Two wire transmitter with isolated can outputWESTFIELD BRIAN LEE·Filed 2010·Granted Jun 26, 2012·7 cites·6 claims
- 1783US6307483B1Conversion circuit for process control systemROSEMOUNT INC·Filed 1999·Granted Oct 23, 2001·66 cites·17 claims
- 1879US5245333AThree wire low power transmitterROSEMOUNT INC·Filed 1991·Granted Sep 14, 1993·51 cites·11 claims
- 1974US7773715B2Two wire transmitter with isolated can outputROSEMOUNT INC·Filed 2004·Granted Aug 10, 2010·14 cites·5 claims
- 2073US5963147AConversion circuit for process control systemROSEMONT INC·Filed 1997·Granted Oct 5, 1999·40 cites·46 claims
- 2167US5650777AConversion circuit for process control systemROSEMOUNT INC·Filed 1995·Granted Jul 22, 1997·30 cites·12 claims
- 2261US12425062B2Load adapter module for wireless discrete input/output field deviceROSEMOUNT INC·Filed 2023·Granted Sep 23, 2025·0 cites·20 claims
- 2359US6813318B1Process transmitter having a step-up converter for powering analog componentsROSEMOUNT INC·Filed 1999·Granted Nov 2, 2004·26 cites·7 claims
- 2455US2024298267A1Load throttling for battery operated devicesROSEMOUNT INC·Filed 2023·Application pending·0 cites
- 2551US7679033B2Process field device temperature controlROSEMOUNT INC·Filed 2005·Granted Mar 16, 2010·2 cites·24 claims
- 2650US12152912B2Wireless process variable transmitter with battery power sourceROSEMOUNT INC·Filed 2021·Granted Nov 26, 2024·0 cites·21 claims
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