|
| US4874916 | 30 Nov 1987 | 17 Oct 1989 | Guthrie Canadian Investments Limited | Induction heating and melting systems having improved induction coils |
| US5131399 | 6 Ago 1990 | 21 Jul 1992 | | Patient monitoring apparatus and method |
| US5208433 | 14 Jun 1991 | 4 May 1993 | Rotelec S. A. | Inductive heating coil |
| US6618426 | 3 Dic 2001 | 9 Sep 2003 | Centre National de la Recherche Scientifique | Electromagnetic stirring of a melting metal |
