Thomas Lai Wai Ma

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Power control system for AC electric arc furnace
- Patent number 6,603,795
- Issue date Aug 5, 2003
- Hatch Associates LTD
- Thomas Lai Wai Ma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control system and method for voltage stabilization in electric pow...
- Patent number 6,573,691
- Issue date Jun 3, 2003
- Hatch Associates LTD
- Thomas Lai Wai Ma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power control system for AC electric arc furnace
- Patent number 6,519,274
- Issue date Feb 11, 2003
- Hatch Associates LTD
- Thomas Lai Wai Ma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING POWER ACROSS MULTIPLE ELECTRODES...
- Publication number 20080013590
- Publication date Jan 17, 2008
- Hatch Ltd.
- Mohammad Sedighy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
System and method for controlling electrical power across multiple...
- Publication number 20060083286
- Publication date Apr 20, 2006
- Mohammad Sedighy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
System and method for controlling power across multiple electrodes...
- Publication number 20060050758
- Publication date Mar 9, 2006
- Mohammad Sedighy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CONTROL SYSTEM AND METHOD FOR VOLTAGE STABILIZATION IN ELECTRIC POW...
- Publication number 20030076075
- Publication date Apr 24, 2003
- Thomas Lai Wai Ma
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power control system for AC electric arc furnace
- Publication number 20020136260
- Publication date Sep 26, 2002
- Thomas Lai Wai Ma
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...