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Rajat S. Ghosh
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods for removing sulfur dioxide from a gas stream
Patent number
9,795,920
Issue date
Oct 24, 2017
Arconic Inc.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Systems and methods for removing sulfur dioxide from a gas stream
Patent number
9,327,237
Issue date
May 3, 2016
Alcoa Inc.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for removing drugs from waste water using neutralized bauxit...
Patent number
9,187,342
Issue date
Nov 17, 2015
Alcoa Inc.
Shannon L. Isovitsch Parks
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems and methods for removing particulate matter from a gas stream
Patent number
9,144,764
Issue date
Sep 29, 2015
Alcoa Inc.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Systems and methods for removing particulate matter from a gas stream
Patent number
8,894,748
Issue date
Nov 25, 2014
Alcoa Inc.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods for polishing wastewater utilizing a bed of commingled baux...
Patent number
8,673,152
Issue date
Mar 18, 2014
Alcoa Inc.
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems for polishing wastewater utilizing natural media filtration
Patent number
8,206,586
Issue date
Jun 26, 2012
Alcoa Inc.
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems for treating water using iron
Patent number
8,157,995
Issue date
Apr 17, 2012
Alcoa Inc.
Rajat S. Ghosh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems and methods for removing gaseous pollutants from a gas stream
Patent number
8,137,649
Issue date
Mar 20, 2012
Alcoa Inc.
Rajat Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Systems and methods for removing gaseous pollutants from a gas stream
Patent number
7,906,089
Issue date
Mar 15, 2011
Alcoa Inc.
Rajat Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods for treating water using iron
Patent number
7,897,049
Issue date
Mar 1, 2011
Alcoa Inc.
Rajat S. Ghosh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems and methods for removing gaseous pollutants from a gas stream
Patent number
7,645,430
Issue date
Jan 12, 2010
Alcoa Inc.
Rajat Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for treating water contaminated with cyanide
Patent number
5,837,145
Issue date
Nov 17, 1998
Aluminum Company of America
David A. Dzombak
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING SULFUR DIOXIDE FROM A GAS STREAM
Publication number
20160214059
Publication date
Jul 28, 2016
ALCOA INC.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING SULFUR DIOXIDE FROM A GAS STREAM
Publication number
20160023162
Publication date
Jan 28, 2016
ALCOA INC.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING PARTICULATE MATTER FROM A GAS STREAM
Publication number
20150033946
Publication date
Feb 5, 2015
ALCOA INC.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING PARTICULATE MATTER FROM A GAS STREAM
Publication number
20140053731
Publication date
Feb 27, 2014
ALCOA INC.
Rajat S. Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING N...
Publication number
20130240452
Publication date
Sep 19, 2013
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING N...
Publication number
20120223029
Publication date
Sep 6, 2012
CORPORATE ENVIRONMENTAL SOLUTIONS LLC
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEMS AND METHODS FOR TREATING WATER USING IRON
Publication number
20120160757
Publication date
Jun 28, 2012
ALCOA INC.
Rajat S. Ghosh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
WASTEWATER TREATMENT SYSTEM AND METHOD FOR REMOVAL OF CONTAMINANTS...
Publication number
20110303609
Publication date
Dec 15, 2011
ALCOA INC.
Shannon L. Isovitsch Parks
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING GASEOUS POLLUTANTS FROM A GAS STREAM
Publication number
20110135554
Publication date
Jun 9, 2011
ALCOA INC.
Rajat Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR TREATING WATER USING IRON
Publication number
20110120929
Publication date
May 26, 2011
ALCOA INC.
Rajat S. Ghosh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING N...
Publication number
20100276360
Publication date
Nov 4, 2010
ALCOA INC.
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING GASEOUS POLLUTANTS FROM A GAS STREAM
Publication number
20100175552
Publication date
Jul 15, 2010
ALCOA INC.
Rajat Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEFLUORIDATION OF WATER
Publication number
20090305883
Publication date
Dec 10, 2009
ALCOA INC.
Sadhana Rayalu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR REMOVING GASEOUS POLLUTANTS FROM A GAS STREAM
Publication number
20090092529
Publication date
Apr 9, 2009
ALCOA INC.
Rajat Ghosh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR TREATING WATER USING IRON
Publication number
20070278159
Publication date
Dec 6, 2007
ALCOA INC.
Rajat S. Ghosh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING N...
Publication number
20070181511
Publication date
Aug 9, 2007
ALCOA INC.
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE