Chang-Dong Feng

Person

Long Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sensing element for use with media-preserving storage and calibrati...
- Patent number 12,181,438
- Issue date Dec 31, 2024
- Broadley-James Corporation
- Robert J. Garrahy
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Sensing element for use with media-preserving storage and calibrati...
- Patent number 12,055,511
- Issue date Aug 6, 2024
- Broadley-James Corporation
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Single-use bioreactor sensor interface
- Patent number 11,613,724
- Issue date Mar 28, 2023
- Rosemount Inc.
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Single-use bioreactor port with multiple sensors
- Patent number 11,384,325
- Issue date Jul 12, 2022
- Rosemount Inc.
- Mark S. Schumacher
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Colorimetric analyzer with de-bubbling
- Patent number 11,125,696
- Issue date Sep 21, 2021
- Rosemount Inc.
- Bradley A. Butcher
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Multiple wavelength light source for colorimetric measurement
- Patent number 10,788,416
- Issue date Sep 29, 2020
- Rosemount Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Grant
Colorimetric analyzer with reagent diagnostics
- Patent number 10,677,717
- Issue date Jun 9, 2020
- Rosemount Inc.
- Hoang M. Nguyen
- G01 - MEASURING TESTING
Information Patent Grant
On-line wet chemistry analyzer
- Patent number 10,119,951
- Issue date Nov 6, 2018
- Rosemount Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Grant
Standard solution with cleaning reagent for wet chemistry analyzer
- Patent number 9,945,830
- Issue date Apr 17, 2018
- Rosemount Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Photometric measurement cell
- Patent number 9,891,162
- Issue date Feb 13, 2018
- Rosemount Analytical Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Grant
pH sensor for single use equipment
- Patent number 9,868,930
- Issue date Jan 16, 2018
- Rosemount Analytical Inc.
- Michalle Jane Alleman Adkins
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Unitary plastic conductivity sensor
- Patent number 9,029,130
- Issue date May 12, 2015
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
pH sensor integration to single use bioreactor/mixer
- Patent number 8,900,855
- Issue date Dec 2, 2014
- Rosemount Analytical Inc.
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Detachable dissolved oxygen sensor for single use bioreactor/mixer
- Patent number 8,828,202
- Issue date Sep 9, 2014
- Rosemount Analytical Inc.
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Impedance measurement of a pH electrode
- Patent number 8,063,644
- Issue date Nov 22, 2011
- Rosemount Analytical Inc.
- Behzad Rezvani
- G01 - MEASURING TESTING
Information Patent Grant
High purity water pH sensor with shielded flowing liquid junction
- Patent number 7,837,847
- Issue date Nov 23, 2010
- Rosenmount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Free chlorine sensor
- Patent number 7,790,006
- Issue date Sep 7, 2010
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
System for calibrating dissolved oxygen analyzers using compressed...
- Patent number 7,640,784
- Issue date Jan 5, 2010
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Conductivity sensor and manufacturing method therefor
- Patent number 7,323,887
- Issue date Jan 29, 2008
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Amperometric sensor for low level dissolved oxygen with self-deplet...
- Patent number 7,208,071
- Issue date Apr 24, 2007
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Chloramine amperometric sensor
- Patent number 7,087,150
- Issue date Aug 8, 2006
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Flow-through conductivity sensor
- Patent number 7,078,909
- Issue date Jul 18, 2006
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
pH sensor with internal solution ground
- Patent number 6,894,502
- Issue date May 17, 2005
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Amperometric sensor for low level dissolved oxygen with self-deplet...
- Patent number 6,602,401
- Issue date Aug 5, 2003
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Electrochemical gas sensor and method of making the same
- Patent number 6,265,750
- Issue date Jul 24, 2001
- Teledyne Technologies Incorporated
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Grant
Electrochemical gas sensor
- Patent number 6,019,879
- Issue date Feb 1, 2000
- Teledyne Industries, Inc.
- Edmond Y. Chu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SENSING ELEMENT FOR USE WITH MEDIA-PRESERVING STORAGE AND CALIBRATI...
- Publication number 20220128506
- Publication date Apr 28, 2022
- BROADLEY-JAMES CORPORATION
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
SENSING ELEMENT FOR USE WITH MEDIA-PRESERVING STORAGE AND CALIBRATI...
- Publication number 20200217817
- Publication date Jul 9, 2020
- BROADLEY-JAMES CORPORATION
- Robert J. Garrahy
- G01 - MEASURING TESTING
Information Patent Application
REINFORCED GAS-PERMEABLE MEMBRANE AND REINFORCED GAS-PERMEABLE WELL...
- Publication number 20190284518
- Publication date Sep 19, 2019
- BROADLEY-JAMES CORPORATION
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
COLORIMETRIC ANALYZER WITH REAGENT DIAGNOSTICS
- Publication number 20180095027
- Publication date Apr 5, 2018
- Rosemount Analytical Inc.
- Hoang M. Nguyen
- G01 - MEASURING TESTING
Information Patent Application
STANDARD SOLUTION WITH CLEANING REAGENT FOR WET CHEMISTRY ANALYZER
- Publication number 20170212091
- Publication date Jul 27, 2017
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
SINGLE-USE BIOREACTOR SENSOR INTERFACE
- Publication number 20170166852
- Publication date Jun 15, 2017
- Rosemount Analytical Inc.
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
SINGLE-USE pH SENSOR STORAGE SOLUTION
- Publication number 20170059518
- Publication date Mar 2, 2017
- Rosemount Analytical Inc.
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PH SENSOR FOR SINGLE USE EQUIPMENT
- Publication number 20160312170
- Publication date Oct 27, 2016
- Rosemount Analytical Inc.
- Michalle Jane Alleman Adkins
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
SINGLE-USE BIOREACTOR PORT WITH MULTIPLE SENSORS
- Publication number 20160298068
- Publication date Oct 13, 2016
- Rosemount Analytical Inc.
- Mark S. Schumacher
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ON-LINE WET CHEMISTRY ANALYZER
- Publication number 20160077076
- Publication date Mar 17, 2016
- Rosemount Analytical Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Application
COLORIMETRIC ANALYZER WITH DE-BUBBLING
- Publication number 20150233838
- Publication date Aug 20, 2015
- Rosemount Analytical Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Application
PHOTOMETRIC MEASUREMENT CELL
- Publication number 20150099304
- Publication date Apr 9, 2015
- Rosemount Analytical Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Application
MULTIPLE WAVELENGTH LIGHT SOURCE FOR COLORIMETRIC MEASUREMENT
- Publication number 20150099303
- Publication date Apr 9, 2015
- Rosemount Analytical Inc.
- Bradley A. Butcher
- G01 - MEASURING TESTING
Information Patent Application
GAS DETECTION SYSTEM WITH MOISTURE REMOVAL
- Publication number 20140182358
- Publication date Jul 3, 2014
- Chang Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
pH SENSOR INTEGRATION TO SINGLE USE BIOREACTOR/MIXER
- Publication number 20120178153
- Publication date Jul 12, 2012
- Chang-Dong Feng
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
UNITARY PLASTIC CONDUCTIVITY SENSOR
- Publication number 20120178151
- Publication date Jul 12, 2012
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
DETACHABLE DISSOLVED OXYGEN SENSOR FOR SINGLE USE BIOREACTOR/MIXER
- Publication number 20120160677
- Publication date Jun 28, 2012
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
PROCESS ANALYTIC SENSOR WITH MOISTURE-SCAVENGING ELECTRODE BACKFILL
- Publication number 20100084285
- Publication date Apr 8, 2010
- Barry W. Benton
- G01 - MEASURING TESTING
Information Patent Application
MULTILAYER MANUFACTURING FOR CONDUCTIVITY SENSOR
- Publication number 20080297179
- Publication date Dec 4, 2008
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
POTENTIOMETRIC PROCESS ANALYTIC SENSOR WITH ISOLATED TEMPERATURE SE...
- Publication number 20080283399
- Publication date Nov 20, 2008
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
High purity water pH sensor with shielded flowing liquid junction
- Publication number 20080237042
- Publication date Oct 2, 2008
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
System for calibrating dissolved oxygen analyzers using compressed...
- Publication number 20080067065
- Publication date Mar 20, 2008
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
Impedance measurement of a PH electrode
- Publication number 20080042665
- Publication date Feb 21, 2008
- Behzad Rezvani
- G01 - MEASURING TESTING
Information Patent Application
Arsenic measurement using anodic stripping voltammetry
- Publication number 20070158211
- Publication date Jul 12, 2007
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
Electrochemical cell with improved flowing liquid junction
- Publication number 20060278529
- Publication date Dec 14, 2006
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
Integrated optical device for luminescence sensing
- Publication number 20060241351
- Publication date Oct 26, 2006
- Rosemount Analytical Inc.
- Chang-Dong Feng
- G01 - MEASURING TESTING
Information Patent Application
Modified ruthenium complex luminescence dye for oxygen sensing
- Publication number 20060228804
- Publication date Oct 12, 2006
- Rosemount Analytical Inc.
- Joshua Xu
- G01 - MEASURING TESTING
Information Patent Application
Conductivity sensor and manufacturing method therefor
- Publication number 20060219564
- Publication date Oct 5, 2006
- Chang-Dong Feng
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Amperometric sensor with counter electrode isolated from fill solution
- Publication number 20060163088
- Publication date Jul 27, 2006
- Joshua Xu
- G01 - MEASURING TESTING
Information Patent Application
Turbidity sensor
- Publication number 20060055927
- Publication date Mar 16, 2006
- Rosemount Analytical Inc.
- Chang Dong Feng
- G01 - MEASURING TESTING

Chang-Dong Feng

Person

Patents Grantslast 30 patents

Sensing element for use with media-preserving storage and calibrati...

Sensing element for use with media-preserving storage and calibrati...

Single-use bioreactor sensor interface

Single-use bioreactor port with multiple sensors

Colorimetric analyzer with de-bubbling

Multiple wavelength light source for colorimetric measurement

Colorimetric analyzer with reagent diagnostics

On-line wet chemistry analyzer

Standard solution with cleaning reagent for wet chemistry analyzer

Photometric measurement cell

pH sensor for single use equipment

Unitary plastic conductivity sensor

pH sensor integration to single use bioreactor/mixer

Detachable dissolved oxygen sensor for single use bioreactor/mixer

Impedance measurement of a pH electrode

High purity water pH sensor with shielded flowing liquid junction

Free chlorine sensor

System for calibrating dissolved oxygen analyzers using compressed...

Conductivity sensor and manufacturing method therefor

Amperometric sensor for low level dissolved oxygen with self-deplet...

Chloramine amperometric sensor

Flow-through conductivity sensor

pH sensor with internal solution ground

Amperometric sensor for low level dissolved oxygen with self-deplet...

Electrochemical gas sensor and method of making the same

Electrochemical gas sensor

Patents Applicationslast 30 patents

SENSING ELEMENT FOR USE WITH MEDIA-PRESERVING STORAGE AND CALIBRATI...

SENSING ELEMENT FOR USE WITH MEDIA-PRESERVING STORAGE AND CALIBRATI...

REINFORCED GAS-PERMEABLE MEMBRANE AND REINFORCED GAS-PERMEABLE WELL...

COLORIMETRIC ANALYZER WITH REAGENT DIAGNOSTICS

STANDARD SOLUTION WITH CLEANING REAGENT FOR WET CHEMISTRY ANALYZER

SINGLE-USE BIOREACTOR SENSOR INTERFACE

SINGLE-USE pH SENSOR STORAGE SOLUTION

PH SENSOR FOR SINGLE USE EQUIPMENT

SINGLE-USE BIOREACTOR PORT WITH MULTIPLE SENSORS

ON-LINE WET CHEMISTRY ANALYZER

COLORIMETRIC ANALYZER WITH DE-BUBBLING

PHOTOMETRIC MEASUREMENT CELL

MULTIPLE WAVELENGTH LIGHT SOURCE FOR COLORIMETRIC MEASUREMENT

GAS DETECTION SYSTEM WITH MOISTURE REMOVAL

pH SENSOR INTEGRATION TO SINGLE USE BIOREACTOR/MIXER

UNITARY PLASTIC CONDUCTIVITY SENSOR

DETACHABLE DISSOLVED OXYGEN SENSOR FOR SINGLE USE BIOREACTOR/MIXER

PROCESS ANALYTIC SENSOR WITH MOISTURE-SCAVENGING ELECTRODE BACKFILL

MULTILAYER MANUFACTURING FOR CONDUCTIVITY SENSOR

POTENTIOMETRIC PROCESS ANALYTIC SENSOR WITH ISOLATED TEMPERATURE SE...

High purity water pH sensor with shielded flowing liquid junction

System for calibrating dissolved oxygen analyzers using compressed...

Impedance measurement of a PH electrode

Arsenic measurement using anodic stripping voltammetry

Electrochemical cell with improved flowing liquid junction

Integrated optical device for luminescence sensing

Modified ruthenium complex luminescence dye for oxygen sensing

Conductivity sensor and manufacturing method therefor

Amperometric sensor with counter electrode isolated from fill solution

Turbidity sensor