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Swaminatha P. Kumaraguru
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Rochester, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fuel cell cathode and fuel cell system including a polymeric additive
Patent number
11,799,088
Issue date
Oct 24, 2023
GM Global Technology Operations LLC
Nagappan Ramaswamy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel-cell catalyst ink additives to inhibit ionomer permeation
Patent number
11,302,926
Issue date
Apr 12, 2022
GM Global Technology Operations LLC
Nagappan Ramaswamy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing an integrated water vapor transfer device a...
Patent number
10,811,713
Issue date
Oct 20, 2020
GM Global Technology Operations LLC
Mark F. Mathias
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for MEA conditioning in a fuel cell
Patent number
10,784,527
Issue date
Sep 22, 2020
GM Global Technology Operations LLC
Swaminatha P. Kumaraguru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing an integrated water vapor transfer device a...
Patent number
10,680,266
Issue date
Jun 9, 2020
GM Global Technology Operations LLC
Mark F. Mathias
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
PEMFC electrode mudcrack mitigation at low Pt loading
Patent number
10,381,653
Issue date
Aug 13, 2019
GM Global Technology Operations LLC
Roland J. Koestner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell stack break-in procedures and break-in conditioning systems
Patent number
10,158,128
Issue date
Dec 18, 2018
GM Global Technology Operations LLC
Jingxin Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Systems and methods for detecting anode contamination in a fuel cel...
Patent number
9,899,691
Issue date
Feb 20, 2018
GM Global Technology Operations LLC
Donald H. Keskula
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Systems and methods for mitigating carbon corrosion in a fuel cell...
Patent number
9,647,279
Issue date
May 9, 2017
GM Global Technology Operations LLC
Swaminatha P. Kumaraguru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Powering a fuel cell stack during standby
Patent number
9,437,889
Issue date
Sep 6, 2016
GM Global Technology Operations LLC
Robert J. Moses
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
FUEL CELL CATHODE AND FUEL CELL SYSTEM INCLUDING A POLYMERIC ADDITIVE
Publication number
20230223552
Publication date
Jul 13, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Nagappan Ramaswamy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL-CELL CATALYST INK ADDITIVES TO INHIBIT IONOMER PERMEATION
Publication number
20210066726
Publication date
Mar 4, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Nagappan Ramaswamy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF FORMING A CATALYST LAYER FOR A FUEL CELL
Publication number
20200067104
Publication date
Feb 27, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Swaminatha P. Kumaraguru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITE ELECTRODE LAYER FOR POLYMER ELECTROLYTE FUEL CELL
Publication number
20190280307
Publication date
Sep 12, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Nagappan Ramaswamy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method Of Manufacturing An Integrated Water Vapor Transfer Device A...
Publication number
20190252705
Publication date
Aug 15, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Mark F. Mathias
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING AN INTEGRATED WATER VAPOR TRANSFER DEVICE A...
Publication number
20190237787
Publication date
Aug 1, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Mark F. Mathias
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR MEA CONDITIONING IN A FUEL CELL
Publication number
20190190040
Publication date
Jun 20, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Swaminatha P. Kumaraguru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STACK BREAK-IN PROCEDURES AND BREAK-IN CONDITIONING SYSTEMS
Publication number
20180261858
Publication date
Sep 13, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jingxin Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PEMFC Electrode Mudcrack Mitigation at Low Pt Loading
Publication number
20180254489
Publication date
Sep 6, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
ROLAND J. KOESTNER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEMS AND METHODS FOR DETECTING ANODE CONTAMINATION IN A FUEL CEL...
Publication number
20170025693
Publication date
Jan 26, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
DONALD H. KESKULA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRODE DESIGN WITH OPTIMAL IONOMER CONTENT FOR POLYMER ELECTROLY...
Publication number
20160064741
Publication date
Mar 3, 2016
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Swaminatha P. Kumaraguru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEMS AND METHODS FOR MITIGATING CARBON CORROSION IN A FUEL CELL...
Publication number
20150325872
Publication date
Nov 12, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
SWAMINATHA P. KUMARAGURU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWERING A FUEL CELL STACK DURING STANDBY
Publication number
20140072893
Publication date
Mar 13, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Robert J. Moses
H01 - BASIC ELECTRIC ELEMENTS