Skien
Norway
3
2011-07-14
2
2005-05-31
These are the the leading inventors for applications assigned to EFD INDUCTION A.S.:
EFD INDUCTION A.S. based in Skien, NO has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
ELECTRIC WELDING OF ALUMINIUM OR ALUMINIUM ALLOY
#2 | 2005-05-31 ✅ Patent 6,900,420 granted on 2005-05-31Cooled induction heating coil
#3 | 2005-01-11 ✅ Patent 6,842,355 granted on 2005-01-11High output power high frequency resonant load inverters
204033 ⎘