Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8174803 | System for creating a magnetic field via a superconducting magnet The present invention relates to a system (100) for creating a magnetic field via a superconducting magnet (102) intended to produce said magnetic field. The system (100) according to the invention comprises a first branch including the supercon... | 05/08/2012 |
| 8169756 | Fault current limiting An alternating current system 10 has a primary circuit 11 which forms a primary winding 18 on a core 16. A secondary winding 24 is connected with a current source 26 or, alternatively, with an impedance 60. The core | 05/01/2012 |
| 8154830 | Apparatus for quench protection and stabilizing decay in a quasi-persistent superconducting magnet A superconducting magnet assembly comprises a superconducting magnet which, under working conditions, generates a magnetic field in a working volume. The superconducting magnet is connected in parallel with a series combination of a superconducting fault current lim... | 04/10/2012 |
| 8077438 | Peak current limiting apparatus The present disclosure is related to a peak current limiting apparatus of the present disclosure comprising a trigger element serially connected between a power supply source and the load, diverting a fault current to other paths connected in parallel when the fault... | 12/13/2011 |
| 8035933 | Structure of persistent current switch and that of control method Disclosed is the structure of a persistent current switch and a control method for the same. In the switch structure, a portion of a superconducting wire to be used as a switch is formed with slits such that the flow of current is controlled by the switch, to facili... | 10/11/2011 |
| 8004801 | Apparatus for decreasing inrush current using SFCL and method for deciding optimal insertion resistance There is provided an apparatus for decreasing an inrush current which comprises a power system including a transformer, and a superconducting fault current limiter electrically connected to the transformer. A resistance value of the superconducting fault current lim... | 08/23/2011 |
| 7995312 | Electric fault current limiter having superconducting elements inside a cryogenic vessel and bushings for connecting an external circuit Electric fault current limiter has superconducting elements inside a cryogenic vessel and bushings for connecting an external circuit. The electric fault current limiter (1) includes a cryogenic vessel (2) and superconducting assemblies (5) incl... | 08/09/2011 |
| 7990661 | Active shield superconducting electromagnet apparatus and magnetic resonance imaging system The active shield superconducting electromagnet apparatus includes: a main switching circuit in which first and second main coils, first and second shield coils, and a first superconducting persistent current switch are connected in series; a sub switching circuit i... | 08/02/2011 |
| 7990662 | Systems, methods, and apparatus for superconducting magnetic shielding A localized area is at least partially contained within a perimeter of a shield ring formed by a closed superconducting current path of a material that is superconductive below a critical temperature. The shield ring is at least partially within a perimeter of a com... | 08/02/2011 |
| 7969695 | Superconducting magnetic coil with a quench protection circuit, and MRT apparatus embodying same A superconductive magnetic coil arrangement has a superconducting magnetic coil and a circuit for quench protection. The quench protection circuit includes at least one diode connected in parallel with a portion of the superconductive magnetic coil. The at least one... | 06/28/2011 |
| 7898778 | Superconducting coil quench detection method and device, and superconducting power storage unit A superconducting coil quench detection method and device capable of detecting a quench detection voltage even in a superconducting coil where a plurality of element coils are connected with a plurality of current sources and operated with repetitive pulses or AC an... | 03/01/2011 |
| 7800871 | Resistive high temperature superconductor fault current limiter The present invention relates to a resistive type high temperature superconductor based fault current limiter with improved heat exchange capability composed of a thermally conductive matrix material 8 with a plurality of superconductor components 5 em... | 09/21/2010 |
| 7742264 | Hybrid-type superconducting fault current limiter Disclosed is provided a hybrid-type superconducting fault current limiter for rapidly limiting a fault current, the fault current limiter having a first circuit and a second circuit which are connected in parallel with each other, wherein the first circuit includes ... | 06/22/2010 |
| 7724483 | Systems and methods involving protection of superconducting generators for power applications A system for protecting superconducting generator field coils including a controller configured to monitor for a quenching of a superconducting field coil of a generator and control a dissipation of a current flow in the superconducting field coil in an event of the... | 05/25/2010 |
| 7724482 | Parallel HTS transformer device A superconducting transformer system is configured to be included within a utility power grid having a known fault current level. The superconducting transformer system includes a non-superconducting transformer interconnected between a first node and a second node ... | 05/25/2010 |
| 7710692 | Superconductor component with improved electrical contact The present invention is directed to a superconductor component 1 suitable as fault current limiter comprising a superconductor body 2 provided with a shunt coil 3 and an electrical contact 4 on at least one end of the superconductor body... | 05/04/2010 |
| 7706110 | Compact superconducting current limiting component in coil configuration with low inductance The present invention is directed to a superconducting current limiting component, particularly to a ceramic high temperature superconducting current limiting component which is self triggering, comprising a coil (1) made of ceramic high temperature supercond... | 04/27/2010 |
| 7701677 | Inductive quench for magnet protection A coil system for inductively heating a superconducting magnet in order to provide an internal energy dump by uniformly quenching a high performance superconducting magnet. The quench-inducing system uses AC magnetic fields that require negligible reactive power. Th... | 04/20/2010 |
| 7679867 | Magnetic flux-coupling type superconducting fault current limiter A magnetic flux coupling-type superconducting current limiter is capable of protecting lines more effectively by winding reactors of a primary coil and a secondary coil in series in the structure where the primary coil and the secondary coils are wound in parallel i... | 03/16/2010 |
| 7675719 | Current limiting module and hybrid current limiter using different kinds of superconducting wires The present invention provides a current limiting module and a hybrid current limiter using different kinds of superconducting wires. The current limiting module includes a first superconducting wire that is wound in a predetermined direction, and a second supercond... | 03/09/2010 |
| 7649721 | Fault current limiting An alternating current system 10 has a primary circuit 11 which forms a primary winding 18 on a core 16. A secondary winding 24 is connected with a current source 26 or, alternatively, with an impedance 60. The core | 01/19/2010 |
| 7649720 | Quench protection of HTS superconducting magnets A method of constructing a superconducting coil. The method includes embedding a plurality of heater elements throughout a superconducting coil. The heater elements are positioned according to a predetermined distribution and substantially in thermal contact with th... | 01/19/2010 |
| 7646571 | Circuit for effective quench heating in superconducting magnets An assembly comprising a number of superconductive coils, at least one quench heater arranged to heat the superconductive coil(s) in the event that at least part of at least one of the coils enters a quenched state; means for transferring energy from the coil(s) to ... | 01/12/2010 |
| 7630179 | Protective link for superconducting coil A superconducting coil system includes a superconducting coil and a protective link of superconducting material coupled to the superconducting coil. A rotating machine includes first and second coils and a protective link of superconducting material. The second coil... | 12/08/2009 |
| 7589941 | Fault current limiter having superconducting bypass reactor for simultaneous quenching A fault current limiter comprises a pancake type current limiting module, comprising at least two pancake type bifilar winding modules stacked and connected to each other in series, each of the bifilar winding modules having a bobbin, a first superconducting wire wo... | 09/15/2009 |
| 7586717 | Electrical device for current conditioning An electrical device for current conditioning has a primary spool, a secondary spool which has a quenchable superconductor exhibiting a transition from a low resistive state to a high resistive state when a critical value of the electric current is exceeded. The sec... | 09/08/2009 |
| 7558030 | Resistive superconducting fault current limiter A resistive superconducting fault current limiter comprises: a superconducting limiter element which is in a superconductive state in the event of a normal current occurrence, and which is in a normal conductive state having a predetermined resistance when a fault c... | 07/07/2009 |
| 7554779 | Distributed power supply circuit A distributed power supply circuit supplying common power to multiple packages in an apparatus so that a primary voltage of the common power is converted into a secondary voltage in a voltage conversion part so as to be supplied to a circuit in each of the packages ... | 06/30/2009 |
| 7551410 | Superconductor current limiting system and method A fault current limiter for limiting current faults in an electrical network comprising: a series of phase coils located adjacent a superconductive coil for fault current limiting phase faults within the network; a series of neutral coils located adjacent the superc... | 06/23/2009 |
| 7545611 | Electric power circuit protecting apparatus using superconductor An electric power circuit protecting apparatus using a superconductor in an electric power system needing re-closing within a predetermined time from fault current blocking, comprising a main circuit breaker; a first superconductor element connected in series to the... | 06/09/2009 |
| 7538991 | Half wave expulsion (non-fault current limiting) type superconducting fault current limiter having integral high speed switch module Disclosed is a half-wave expulsion type superconducting fault-current limiter having an integral high speed switch module. The fault-current limiter has minimum superconducting elements and a circuit of which is formed in a hybrid type with an integral high speed sw... | 05/26/2009 |
| 7532443 | Current-limiting device having a superconductive switching element An electrical current limiting device has a superconductive switching element. Unlike prior art superconductive current limiters whose switching mechanism is based on a quenching of the switching element, the inventive superconductive switching element is designed i... | 05/12/2009 |
| 7522393 | Fault current limiter A conductor element for a superconducting FCL has an elongate superconducting element 18 surrounded by bodies 26a, 26b, which form a thermal mass around the element 18. The thermal mass is in thermal connection with a coolin... | 04/21/2009 |
| 7492556 | Quench protection circuit for a superconducting magnet A quench protection circuit for a superconducting magnet, comprises at least one heater associated with a corresponding coil of the superconducting magnet. The at least one heater is arranged to be driven by an inductor which is connected in series with it and is ar... | 02/17/2009 |
| 7477492 | Superconducting magnet system A superconducting magnet system comprising a superconducting magnet, itself comprising a plurality of magnet coils, arranged to protect quench heaters yet provide effective quench protection. ... | 01/13/2009 |
| 7474515 | Cryogenic magnet control system A cryogenic magnet control system has a number of magnet coils each formed by superconductive material wound on a former and a supply for energizing the magnet coils to generate an operational magnetic field of predetermined strength and homogeneity, wherein each fo... | 01/06/2009 |
| 7463461 | Resistive superconducting fault current limiter A superconducting fault current limiter includes a first superconducting module connected to an input terminal of a power system, a second superconducting module connected to an output terminal of the power system, and a connecting member interposed between the firs... | 12/09/2008 |
| 7440244 | Self-triggering superconducting fault current limiter A modular and scaleable Matrix Fault Current Limiter (MFCL) that functions as a “variable impedance” device in an electric power network, using components made of superconducting and non-superconducting electrically conductive materials. The matrix fault current... | 10/21/2008 |
| 7400223 | Superconducting magnet configuration with resistive elements A magnet configuration comprising a superconducting magnet coil system (M) and a current path (P) which comprises parts of the magnet coil system (M), wherein at least two electric connecting points (A1, A2, A3, A4) are disposed on the cu... | 07/15/2008 |
| 7394628 | Method and apparatus for regulation of electrical power An apparatus for regulation of electrical power has a superconducting member exhibiting a capability of quenching at the electrical current exceeding a threshold value, a metallic member coupled to the superconducting member, a thermally insulated and tight internal... | 07/01/2008 |
