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Class Information
Number: 335/216
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Magnets and electromagnets > Superconductive type
Description: Subject matter wherein the magnet or electromagnet has a superconductive element included therein as an active element of the magnet.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
4992696 Apparatus having reduced mechanical forces for supporting high magnetic fields Feb. 12, 1991
4990878 Superconducting magnet device Feb. 5, 1991
4986078 Refrigerated MR magnet support system Jan. 22, 1991
4982571 Safety apparatus for superconducting magnetic energy stored system Jan. 8, 1991
4979704 Apparatus for retaining a superconducting cable in a coil stack Dec. 25, 1990
4978920 Magnetic field screens Dec. 18, 1990
4978936 Superconducting magnetic coil element having terminals bonded to the coil body Dec. 18, 1990
4977384 Micropole undulator Dec. 11, 1990
4975669 Magnetic bottle employing Meissner effect Dec. 4, 1990
4974113 Shielding superconducting solenoids Nov. 27, 1990
4970483 Coil-like conductor of sintered superconducting oxide material Nov. 13, 1990
4968961 Superconducting magnet assembly with suppressed leakage magnetic field Nov. 6, 1990
4969064 Apparatus with superconductors for producing intense magnetic fields Nov. 6, 1990
4963852 Superconductor switch Oct. 16, 1990
4956608 Apparatus for propagating a quench in a superconducting magnet Sep. 11, 1990
4943781 Cyclotron with yokeless superconducting magnet Jul. 24, 1990
4943792 Superconducting switch pack Jul. 24, 1990
4942379 Superconductor for magnetic field shield Jul. 17, 1990
4942378 High-speed superconducting switch and method Jul. 17, 1990
4939120 Superconducting rotating assembly Jul. 3, 1990
4939493 Magnetic field generator Jul. 3, 1990
4935714 Low thermal conductance support for a radiation shield in a MR magnet Jun. 19, 1990
4928081 Method of mass producing superconducting persistent current rings May. 22, 1990
4926289 Actively shielded, superconducting magnet of an NMR tomography apparatus May. 15, 1990
4924198 Superconductive magnetic resonance magnet without cryogens May. 8, 1990
4920095 Superconducting energy storage device Apr. 24, 1990
4920011 Magnetic field shield including a superconductive film Apr. 24, 1990
4918409 Ferrite device with superconducting magnet Apr. 17, 1990
4916404 Electron storage ring Apr. 10, 1990
4912443 Superconducting magnetic energy storage inductor and method of manufacture Mar. 27, 1990
4912444 Superconducting solenoid coil structure with internal cryogenic coolant passages Mar. 27, 1990
4910626 Current limiter Mar. 20, 1990
4905316 Magnetic field generating system for magnetic resonance imaging system Feb. 27, 1990
4904971 Superconductive electromagnet Feb. 27, 1990
4904970 Superconductive switch Feb. 27, 1990
4902995 Cable suspension system for cylindrical cryogenic vessels Feb. 20, 1990
4901047 Magnetic field transfer device and method Feb. 13, 1990
4894360 Method of using a ferromagnet material having a high permeability and saturation magnetization at low temperatures Jan. 16, 1990
4893103 Superconducting PYX structures Jan. 9, 1990
4890082 Coil for generating a homogeneous magnetic field Dec. 26, 1989
4886778 Superconducting rotating assembly Dec. 12, 1989
4887058 Periodic permanent magnet structures Dec. 12, 1989
4883922 Composite superconductor and method of the production thereof Nov. 28, 1989
4881035 Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normal-conducting gradient coils Nov. 14, 1989
4879537 Magnetic suspension and magnetic field concentration using superconductors Nov. 7, 1989
4873503 Electrical coils Oct. 10, 1989
4872322 Power operated contact apparatus for superconductive circuit Oct. 10, 1989
H693 PYX twister with superconducting confinement Oct. 3, 1989
4870379 Superconducting switching device Sep. 26, 1989
4868707 Superconducting electromagnet apparatus Sep. 19, 1989

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