|
| US4647887 | 24 déc. 1984 | 3 mars 1987 | The United States of America as represented by the Secretary of the Army | Lightweight cladding for magnetic circuits |
| US4654618 | 1 mai 1986 | 31 mars 1987 | The United States of America as represented by the Secretary of the Army | Confinement of kOe magnetic fields to very small areas in miniature devices |
| US4658228 | 1 mai 1986 | 14 avr. 1987 | The United States of America as represented by the Secreatry of the Army | Confinement of longitudinal, axially symmetric, magnetic fields to annular regions with permanent magnets |
| US4701737 | 30 mai 1986 | 20 oct. 1987 | The United States of America as represented by the Secretary of the Army | Leakage-free, linearly varying axial permanent magnet field source |
| US4703276 | 24 avr. 1985 | 27 oct. 1987 | Elscint Ltd. | Permanent magnet ring assembly for NMR imaging system and method for using such assembly |
| US4720692 | 11 août 1986 | 19 janv. 1988 | The United States of America as represented by the Secretary of the Air Force | Long, narrow, uniform magnetic field apparatus and method |
| US4810986 | 26 févr. 1988 | 7 mars 1989 | The United States of America as represented by the Secretary of the Army | Local preservation of infinite, uniform magnetization field configuration under source truncation |
| US4953555 | 12 oct. 1989 | 4 sept. 1990 | The United States of Americas as represented by the Secretary of the Army | Permanent magnet structure for a nuclear magnetic resonance imager for medical diagnostics |
| US5107239 | 30 mai 1991 | 21 avr. 1992 | New York University | Hybrid permanent magnets |
| US5162771 | 30 mai 1991 | 10 nov. 1992 | New York University | Highly efficient yoked permanent magnet |
| US5278534 | 1 sept. 1992 | 11 janv. 1994 | New York University | Magnetic structure having a mirror |
| US5798680 | 26 févr. 1996 | 25 août 1998 | New York University | Strapped open magnetic structure |
