GG

Gérard GRIFFAY

CE Celes: 2 patents #6 of 17Top 40%
US Usinor: 2 patents #21 of 185Top 15%
EF Electricite De France: 1 patents #99 of 546Top 20%
SO Sollac: 1 patents #86 of 297Top 30%
Overall (All Time): #1,602,630 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6693264 Vacuum and gas tight enclosure for induction heating system Marc Anderhuber, Jean-Philippe Chaignot, Claude Couffet, Jean Hellegouarc'h, Philippe Roehr +4 more 2004-02-17
6498328 Transverse flux induction heating device with magnetic circuit of variable width Marc Anderhuber, Jean-Philippe Chaignot, Claude Couffet, Jean Hellegouarc'h, Bernard Paya +6 more 2002-12-24
5257804 Device for igniting a bed of a mixture of materials such as ore and coke Jean-Claude Dieuloufet 1993-11-02