Inventor
HEDTKE ROBERT C
US56 patents
⚠️ This page may combine multiple inventors who share the name “HEDTKE ROBERT C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROSEMOUNT INC
37 patentsUS7255012B2Aug 14, 2007
Process fluid flow device with variable orifice
ROSEMOUNT INC1,079 citations99
US6898980B2May 31, 2005
Scalable process transmitter
ROSEMOUNT INC51 citations96
US6609427B1Aug 26, 2003
Gas fill system in a pressure transmitter
ROSEMOUNT INC56 citations96
US6568279B2May 27, 2003
Scalable process transmitter
ROSEMOUNT INC48 citations96
US6484590B1Nov 26, 2002
Method for measuring fluid flow
ROSEMOUNT INC35 citations96
US6412353B1Jul 2, 2002
Vortex flowmeter with signal processing
ROSEMOUNT INC73 citations96
US6170338B1Jan 9, 2001
Vortex flowmeter with signal processing
ROSEMOUNT INC75 citations96
US6457367B1Oct 1, 2002
Scalable process transmitter
ROSEMOUNT INC52 citations95
US7401522B2Jul 22, 2008
Pressure sensor using compressible sensor body
ROSEMOUNT INC19 citations93
US6904476B2Jun 7, 2005
Transmitter with dual protocol interface
ROSEMOUNT INC42 citations93
US6839546B2Jan 4, 2005
Process transmitter with wireless communication link
ROSEMOUNT INC46 citations93
USD297314SAug 23, 1988
Pressure transmitter housing
ROSEMOUNT INC38 citations93
US4653330AMar 31, 1987
Pressure transmitter housing
ROSEMOUNT INC52 citations93
US6662662B1Dec 16, 2003
Pressure transmitter with improved isolator system
ROSEMOUNT INC65 citations92
US6651512B1Nov 25, 2003
Ancillary process outputs of a vortex flowmeter
ROSEMOUNT INC28 citations92
US9752945B2Sep 5, 2017
Coplanar process fluid pressure sensor module
ROSEMOUNT INC7 citations84
US7977924B2Jul 12, 2011
Industrial process power scavenging device and method of deriving process device power from an industrial process
ROSEMOUNT INC16 citations84
US7913566B2Mar 29, 2011
Industrial process device utilizing magnetic induction
ROSEMOUNT INC12 citations84
US7702478B2Apr 20, 2010
Process connection for process diagnostics
ROSEMOUNT INC9 citations84
US7472608B2Jan 6, 2009
Flangeless differential pressure transmitter for industrial process control systems
ROSEMOUNT INC19 citations84
US7290452B2Nov 6, 2007
Remote process seal with improved stability in demanding applications
ROSEMOUNT INC11 citations84
US7918134B2Apr 5, 2011
Thermal-based diagnostic system for process transmitter
ROSEMOUNT INC19 citations82
US5095739AMar 17, 1992
Tank leak detector
ROSEMOUNT INC15 citations74
US10830689B2Nov 10, 2020
Corrosion rate measurement using sacrificial probe
ROSEMOUNT INC5 citations73
US10190968B2Jan 29, 2019
Corrosion rate measurement with multivariable sensor
ROSEMOUNT INC2 citations73
US10107700B2Oct 23, 2018
Process variable transmitter with process variable sensor carried by process gasket
ROSEMOUNT INC4 citations73
US9841307B2Dec 12, 2017
Multivariable guided wave radar probe
ROSEMOUNT INC4 citations73
US9588003B2Mar 7, 2017
Isolator system for a pressure transmitter
ROSEMOUNT INC3 citations73
US9473303B2Oct 18, 2016
Method and system for product authentication
ROSEMOUNT INC4 citations71
US7379792B2May 27, 2008
Pressure transmitter with acoustic pressure sensor
ROSEMOUNT INC5 citations63
US7954383B2Jun 7, 2011
Method and apparatus for pressure measurement using fill tube
ROSEMOUNT INC5 citations62
US7870791B2Jan 18, 2011
Method and apparatus for pressure measurement using quartz crystal
ROSEMOUNT INC4 citations61
US7650798B2Jan 26, 2010
Vented high-temperature piezoelectric-based field device
ROSEMOUNT INC2 citations61
US7808379B2Oct 5, 2010
Mode selectable field transmitter
ROSEMOUNT INC2 citations58
US9897505B2Feb 20, 2018
Process variable measurement and local display with multiple ranges
ROSEMOUNT INC1 citations52
US9891161B2Feb 13, 2018
Corrosion rate measurement
ROSEMOUNT INC0 citations52
US9841338B2Dec 12, 2017
High integrity process fluid pressure probe
ROSEMOUNT INC1 citations52
HEDTKE ROBERT C
11 patentsUS8776608B2Jul 15, 2014
Coplanar process fluid pressure sensor module
HEDTKE ROBERT C7 citations84
US8752433B2Jun 17, 2014
Differential pressure transmitter with pressure sensor
HEDTKE ROBERT C8 citations84
US8299938B2Oct 30, 2012
Projected instrument displays for field mounted process instruments
HEDTKE ROBERT C9 citations84
US8276458B2Oct 2, 2012
Transmitter output with scalable rangeability
HEDTKE ROBERT C8 citations84
US8250924B2Aug 28, 2012
Industrial process device utilizing piezoelectric transducer
HEDTKE ROBERT C12 citations84
US8578783B2Nov 12, 2013
Process fluid pressure transmitter with separated sensor and sensor electronics
HEDTKE ROBERT C13 citations83
US8387463B2Mar 5, 2013
Pressure-based diagnostic system for process transmitter
HEDTKE ROBERT C5 citations73
US9057659B2Jun 16, 2015
Pressure transmitter with hydrogen getter
HEDTKE ROBERT C3 citations63
US8570260B2Oct 29, 2013
LCD design for cold temperature operation
HEDTKE ROBERT C4 citations54
US9921120B2Mar 20, 2018
Industrial process device utilizing piezoelectric transducer
HEDTKE ROBERT C0 citations52
US9568387B2Feb 14, 2017
Thermal diagnostic for single-crystal process fluid pressure sensor
HEDTKE ROBERT C0 citations52
SITTLER FRED C
1 patentBRODEN DAVID A
1 patentShowing the top 50 of 56 patents by PatentIndex Score.