TM

Thomas Lai Wai Ma

HA Hatch: 5 patents #11 of 145Top 8%
📍 North York, CA: #112 of 630 inventorsTop 20%
Overall (All Time): #1,032,525 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7257146 System and method for controlling power across multiple electrodes in a furnace Mohammad Sedighy 2007-08-14
7212561 System and method for controlling electrical power across multiple furnaces using variable reactors Mohammad Sedighy 2007-05-01
6603795 Power control system for AC electric arc furnace Mohammad Sedighy, Brian K. Perkins, Theodorus Anthonius Gerritsen, Janos Rajda 2003-08-05
6573691 Control system and method for voltage stabilization in electric power system Brooke Armstrong Stratton 2003-06-03
5867523 Electric furnace with conductive hearth Bert O. Wasmund, Nils W. Voermann 1999-02-02