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Ramsay Chang
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Los Altos, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer-protected sorbent
Patent number
10,391,473
Issue date
Aug 27, 2019
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chemically-enhanced sorbent activation process and method of using...
Patent number
9,555,368
Issue date
Jan 31, 2017
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chemically-enhanced sorbent activation process and methods for usin...
Patent number
9,302,218
Issue date
Apr 5, 2016
The Board of Trustees of the University of Illinois
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and apparatus for rapid adsorption-desorption CO2 capture
Patent number
9,144,766
Issue date
Sep 29, 2015
Electric Power Research Institute, Inc.
Ramsay Chang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for on-site production of lime and sorbents fo...
Patent number
8,999,278
Issue date
Apr 7, 2015
The Board of Trustees of the University of Illinois
Ramsay Chang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and apparatus for rapid adsorption-desorption CO2 capture
Patent number
8,911,536
Issue date
Dec 16, 2014
Electric Power Research Institute, Inc.
Ramsay Chang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for the enhanced removal of aerosols and vapor...
Patent number
8,241,398
Issue date
Aug 14, 2012
Electric Power Research Institute, Inc.
Mark Simpson Berry
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Sorbent filter for the removal of vapor phase contaminants
Patent number
8,029,600
Issue date
Oct 4, 2011
Electric Power Research Institute, Inc.
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and apparatus for the enhanced removal of aerosols and vapor...
Patent number
7,731,781
Issue date
Jun 8, 2010
Electric Power Research Institute, Inc.
Mark Simpson Berry
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method and apparatus for the enhanced removal of aerosols from a ga...
Patent number
7,708,803
Issue date
May 4, 2010
Electric Power Research Institute, Inc.
Mark Simpson Berry
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method and apparatus for removing particulate and vapor phase conta...
Patent number
7,141,091
Issue date
Nov 28, 2006
Electric Power Research Institute, Inc.
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and apparatus for removing vapor phase contaminants from a f...
Patent number
6,905,534
Issue date
Jun 14, 2005
Electric Power Research Institute, Inc.
Ramsay Chang
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Vapor-phase contaminant removal by injection of fine sorbent slurries
Patent number
6,818,043
Issue date
Nov 16, 2004
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for renewable mercury sorption
Patent number
6,712,878
Issue date
Mar 30, 2004
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for removing vapor phase contaminants from a f...
Patent number
6,695,894
Issue date
Feb 24, 2004
Electric Power Research Institute, Inc.
Ramsay Chang
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method for removal of vapor phase contaminants from a gas stream by...
Patent number
6,558,454
Issue date
May 6, 2003
Electric Power Research Institute, Inc.
Ramsay Chang
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Apparatus and method for collecting flue gas particulate with high...
Patent number
6,514,315
Issue date
Feb 4, 2003
Electric Power Research Institute, Inc.
Ramsay Chang
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Apparatus and method for decreasing contaminants present in a gas s...
Patent number
6,468,489
Issue date
Oct 22, 2002
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method for removal of vapor phase contaminants from a...
Patent number
6,451,094
Issue date
Sep 17, 2002
The Board of Trustees of the University of Illinois
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for reducing NOx with an activated catalyst
Patent number
6,267,940
Issue date
Jul 31, 2001
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method for the removal of contaminants in gases
Patent number
6,136,072
Issue date
Oct 24, 2000
Electric Power Research Institute, Inc.
Sharon Sjostrom
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method for the removal of contaminants in gases
Patent number
5,948,143
Issue date
Sep 7, 1999
Electric Power Research Institute, Inc.
Sharon Sjostrom
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flake shaped sorbent particle for removing vapor phase contaminants...
Patent number
5,854,173
Issue date
Dec 29, 1998
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for removing mercury from a gas stream and apparatus for same
Patent number
5,827,352
Issue date
Oct 27, 1998
Electric Power Research Institute, Inc.
Ralph F. Altman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for removing pollutants from a combustor flue gas and system...
Patent number
5,505,766
Issue date
Apr 9, 1996
Electric Power Research, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Compact hybrid particulate collector (COHPAC)
Patent number
5,158,580
Issue date
Oct 27, 1992
Electric Power Research Institute
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Compact hybrid particulate collector
Patent number
5,024,681
Issue date
Jun 18, 1991
Electric Power Research Institute
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Patents Applications
last 30 patents
Information
Patent Application
Chemically-Enhanced Sorbent Activation Process and Method for Using...
Publication number
20170136444
Publication date
May 18, 2017
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR RAPID ADSORPTION-DESORPTION CO2 CAPTURE
Publication number
20150059572
Publication date
Mar 5, 2015
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR RAPID ADSORPTION-DESORPTION CO2 CAPTURE
Publication number
20130255488
Publication date
Oct 3, 2013
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Chemically-Enhanced Sorbent Activation Process and Methods for Usin...
Publication number
20130095019
Publication date
Apr 18, 2013
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD AND APPARATUS FOR RAPID ADSORPTION-DESORPTION CO2 CAPTURE
Publication number
20120247330
Publication date
Oct 4, 2012
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Chemically-Enhanced Sorbent Activation Process and Method for Using...
Publication number
20110223082
Publication date
Sep 15, 2011
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and Apparatus for On-Site Production of Lime and Sorbents fo...
Publication number
20110223088
Publication date
Sep 15, 2011
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST ASH PROTECTOR
Publication number
20110056417
Publication date
Mar 10, 2011
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Anthony Facchiano
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Method and Apparatus for the Enhanced Removal of Aerosols and Vapor...
Publication number
20100202945
Publication date
Aug 12, 2010
Electric Power Research Institute, Inc.
Mark Simpson Berry
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Sorbent Filter for the Removal of Vapor Phase Contaminants
Publication number
20090320678
Publication date
Dec 31, 2009
Electric Power Research Institute, Inc.
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and Apparatus for the Enhanced Removal of Aerosols and Vapor...
Publication number
20080115704
Publication date
May 22, 2008
Mark Simpson Berry
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
STAGED-COAL INJECTION FOR BOILER RELIABILITY AND EMISSIONS REDUCTION
Publication number
20080105176
Publication date
May 8, 2008
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Ramsay Chang
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Method and apparatus for the enhanced removal of aerosols from a ga...
Publication number
20080105120
Publication date
May 8, 2008
Mark Simpson Berry
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Sorbent filter for the removal of vapor phase contaminants
Publication number
20080105121
Publication date
May 8, 2008
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for reducing NOx and other vapor phase contami...
Publication number
20050135981
Publication date
Jun 23, 2005
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for removing particulate and vapor phase conta...
Publication number
20050132880
Publication date
Jun 23, 2005
Ramsay Chang
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
Method and apparatus for removing vapor phase contaminants from a f...
Publication number
20040045437
Publication date
Mar 11, 2004
Ramsay Chang
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Method and apparatus for removing vapor phase contaminants from a f...
Publication number
20020170431
Publication date
Nov 21, 2002
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for renewable mercury sorption
Publication number
20020124725
Publication date
Sep 12, 2002
Ramsay Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL