Inventor
SITTLER FRED C
US34 patents
⚠️ This page may combine multiple inventors who share the name “SITTLER FRED C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROSEMOUNT INC
26 patentsUS5731522AMar 24, 1998
Transmitter with isolation assembly for pressure sensor
ROSEMOUNT INC101 citations98
US4869282ASep 26, 1989
Micromachined valve with polyimide film diaphragm
ROSEMOUNT INC237 citations98
US6516671B2Feb 11, 2003
Grain growth of electrical interconnection for microelectromechanical systems (MEMS)
ROSEMOUNT INC92 citations97
US6484585B1Nov 26, 2002
Pressure sensor for a pressure transmitter
ROSEMOUNT INC150 citations96
US5482678AJan 9, 1996
Organic chemical sensor
ROSEMOUNT INC54 citations96
US7036381B2May 2, 2006
High temperature pressure transmitter assembly
ROSEMOUNT INC53 citations94
US6520020B1Feb 18, 2003
Method and apparatus for a direct bonded isolated pressure sensor
ROSEMOUNT INC65 citations94
US4909078AMar 20, 1990
Fluid flow detector
ROSEMOUNT INC74 citations94
US4808009AFeb 28, 1989
Integrated semiconductor resistance temperature sensor and resistive heater
ROSEMOUNT INC90 citations94
US6612174B2Sep 2, 2003
Optical pressure sensor
ROSEMOUNT INC29 citations92
US6561038B2May 13, 2003
Sensor with fluid isolation barrier
ROSEMOUNT INC40 citations92
US6508129B1Jan 21, 2003
Pressure sensor capsule with improved isolation
ROSEMOUNT INC48 citations92
US4791398ADec 13, 1988
Thin film platinum resistance thermometer with high temperature diffusion barrier
ROSEMOUNT INC26 citations92
US6848316B2Feb 1, 2005
Pressure sensor assembly
ROSEMOUNT INC22 citations91
US6473711B1Oct 29, 2002
Interchangeable differential, absolute and gage type of pressure transmitter
ROSEMOUNT INC42 citations91
US5502380AMar 26, 1996
Analog weighted binary absolute position encoder including an array of sense resistors each having material responsive to FWX and nonresponsive to flux
ROSEMOUNT INC25 citations86
US9562819B2Feb 7, 2017
Polymeric remote seal system for single-use containers
ROSEMOUNT INC7 citations80
US4990236AFeb 5, 1991
Thin film moisture sensing element
ROSEMOUNT INC7 citations73
US5221456AJun 22, 1993
Insulated core electrode for ph sensor
ROSEMOUNT INC18 citations71
US9752946B2Sep 5, 2017
Cooling for industrial process variable transmitters
ROSEMOUNT INC3 citations69
US8015882B2Sep 13, 2011
Industrial process control pressure transmitter and flange coupling
ROSEMOUNT INC3 citations62
US9891161B2Feb 13, 2018
Corrosion rate measurement
ROSEMOUNT INC0 citations52
US9841338B2Dec 12, 2017
High integrity process fluid pressure probe
ROSEMOUNT INC1 citations52
US9442031B2Sep 13, 2016
High integrity process fluid pressure probe
ROSEMOUNT INC1 citations52
US7240561B2Jul 10, 2007
Process adapter
ROSEMOUNT INC0 citations49
US7347099B2Mar 25, 2008
Pressure transducer with external heater
ROSEMOUNT INC1 citations48
ROSEMOUNT ANALYTICAL INC
6 patentsUS5541408AJul 30, 1996
Micromachined mass spectrometer
ROSEMOUNT ANALYTICAL INC81 citations96
US5401963AMar 28, 1995
Micromachined mass spectrometer
ROSEMOUNT ANALYTICAL INC75 citations96
US5855850AJan 5, 1999
Micromachined photoionization detector
ROSEMOUNT ANALYTICAL INC40 citations92
US6029499AFeb 29, 2000
Modular gas chromatograph
ROSEMOUNT ANALYTICAL INC43 citations91
US5808179ASep 15, 1998
Modular gas chromatograph
ROSEMOUNT ANALYTICAL INC40 citations91
US5707150AJan 13, 1998
Apparatus for computing BTU content in a sample of gas
ROSEMOUNT ANALYTICAL INC4 citations63