Membership
Tour
Register
Log in
Norman A. Freeman
Follow
Person
Richmond Hill, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
System and method for measuring internal resistance of electrochemi...
Patent number
7,425,832
Issue date
Sep 16, 2008
Hydrogenics Corporation
Ravi B. Gopal
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for monitoring fuel cell voltages
Patent number
7,148,654
Issue date
Dec 12, 2006
Hydrogenics Corporation
Stephen Burany
G01 - MEASURING TESTING
Information
Patent Grant
System and method for measuring fuel cell voltage and high frequenc...
Patent number
6,816,797
Issue date
Nov 9, 2004
Hydrogenics Corporation
Norman A. Freeman
G01 - MEASURING TESTING
Information
Patent Grant
Measurement of fuel cell impedance
Patent number
6,519,539
Issue date
Feb 11, 2003
Hydrogenics Corporation
Norman A. Freeman
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Fuel cell power system having multiple fuel cell modules
Publication number
20050112428
Publication date
May 26, 2005
Hydrogenics Corporation
Norman A. Freeman
B60 - VEHICLES IN GENERAL
Information
Patent Application
Fuel cell testing system having an energy conversion system for pro...
Publication number
20050007144
Publication date
Jan 13, 2005
Norman A. Freeman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for monitoring fuel cell voltages
Publication number
20040150405
Publication date
Aug 5, 2004
Stephen Burany
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
System and method for measuring fuel cell voltage and high frequenc...
Publication number
20020196025
Publication date
Dec 26, 2002
Norman A. Freeman
G01 - MEASURING TESTING