Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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 |
| 6970062 | Cooling of a MRI system A magnetic resonance imaging (MRI) system having an open superconducting magnet system (1) includes a number of horizontally oriented superconducting coils (3–10) in a cryogenic container (11). The cryogenic container contains a liquid cooling... | 11/29/2005 |
| 6965288 | Pumping or mixing system using a levitating magnetic element A system capable of pumping or mixing fluids using a rotating magnetic element or bearing levitated by a cold superconducting element is disclosed. ... | 11/15/2005 |
| 6900714 | System and method for quench and over-current protection of superconductor A system and method for protecting a superconductor. The system may comprise a current sensor operable to detect a current flowing through the superconductor. The system may comprise a coolant temperature sensor operable to detect the temperature of a cryogenic cool... | 05/31/2005 |
| 6828889 | Recondensing superconducting magnet thermal management system and method Heater duty cycle (the active pressure control circuit) in recondensing superconducting magnet systems is monitored to determine total thermal system performance, to minimize non-zero boil-off operation, and to reduce maintenance costs. Undesirable conditions, such ... | 12/07/2004 |
| 6441711 | Magnetizing magnet A high temperature superconductor (HTSC) 5 is magnetized between drive coils 1,2 forming poles of a magnet connected by an iron yoke 9 by relative movement of a vacuum insulated cryostat 4 containing the HTSC and the magnetizing magnet, in order to magnet... | 08/27/2002 |
| 6396376 | Apparatus and method for a superconductive magnet with pole piece A magnet, such as an open magnetic-resonance-imaging (MRI) magnet) has a first assembly including a superconductive main coil and a magnetizable pole piece which, during magnet operation, has a temperature equal to generally the temperature of the main co... | 05/28/2002 |
| 6396377 | Liquid cryogen-free superconducting magnet system A superconducting magnet assembly having two individual magnetic coils contained in separate vacuum jackets with a radiation shield between each magnet and its respective vacuum jacket. Each magnet coil is cooled to superconducting temperature by direct c... | 05/28/2002 |
| 6172588 | Apparatus and method for a superconductive magnet with pole piece A magnet, such as an open magnetic-resonance-imaging (MRI) magnet) has a first assembly including a superconductive main coil and a magnetizable pole piece which, during magnet operation, has a temperature equal to generally the temperature of the main co... | 01/09/2001 |
| 6163241 | Coil and method for magnetizing an article A coil for magnetizing an article. The coil includes a cooling coil component and an electric coil component. An elongate electric coil component is placed with its center along a bobbin, wherein one end is wound in one direction around the bobbin and the... | 12/19/2000 |
| 6150912 | Open architecture superconducting magnet helium vessel structure A magnet cartridge for an open architecture superconducting magnet including an iron ring sandwiched between two coil forms, and including radial and axial positioning and securing apparatus to position, secure and maintain the relative positions of the c... | 11/21/2000 |
| 6147579 | Superconducting magnet non-uniform thermal insulation blankets A non-uniform multi-layer thermally insulating blanket assembly for use in a superconducting magnet in the tapered space between the thermal radiation shield and a conical support assembly includes three steps at different thicknesses provided by multiple... | 11/14/2000 |
| 6112531 | Superconducting system A superconducting system having a coil or cable in the form of strands at superconducting temperature is connected to a power supply at room temperature. The connection is by means of a stranded current lead substantially under regular conducting conditio... | 09/05/2000 |
| 6107905 | Superconducting magnet apparatus A superconducting magnet apparatus including a superconducting coil for generating a magnetic field, a radiation shield surrounding the superconducting coil, a refrigerator for cooling the superconducting coil, and a cryostat provided inside the radiation... | 08/22/2000 |
| 6093318 | Magnetic purifying apparatus for purifying a fluid An improved apparatus for removing magnetic material from a flowing fluid such as water by magnetic separation has a single set of electromagnets which are used with a plurality of magnetic filters for continuous magnetic separation operation alternately ... | 07/25/2000 |
| 6081179 | Superconducting coil A structure of a superconducting coil capable of improving cooling efficiency is provided. The superconducting coil is formed by stacking a plurality of double pancake coils with each other. The double pancake coils are stacked in the direction of a coil ... | 06/27/2000 |
| 6078234 | Helium vessel for open architecture magnetic resonance imaging superconducting magnet A superconducting magnet utilizing a pair of donut-shaped annular magnet assemblies including in each a cryogen pressure vessel with a non-magnetic cylindrical divider forming pairs of concentric chambers. Pairs of axial non-magnetic strut members spaced ... | 06/20/2000 |
| 6038867 | Wide multilayer insulating blankets for zero boiloff superconducting magnet A thermally insulating joint for multilayer insulating blankets for a superconducting magnet with layers of low thermal emissivity material separated by low conductivity spacers staked together with adjacent joints and vents offset from each other and wit... | 03/21/2000 |
| 6011456 | Superconducting magnet split cryostat cryogen ride-through reserve An open architecture recondensing superconducting magnet utilizing an upper and lower cryogen vessel connected by a passageway which extends above the bottom of upper cryogen vessel to discontinue the flow of liquid cryogen through the passageway to reser... | 01/04/2000 |
| 6005461 | Method and apparatus for connecting high current ramping leads to a superconducting magnet A superconducting magnet is accessible for ramping within a cryostat by inserting flexible current leads through openings in the cryostat and pushing and twisting these leads inward until connections are made with electrical contacts provided on the super... | 12/21/1999 |
| 5936499 | Pressure control system for zero boiloff superconducting magnet A pressure control system for the cryogen pressure vessel of a helium cooled superconducting magnet assembly including a helium gas recondenser to return liquid helium to the helium supply including a temperature sensor proximate to the recondenser to pro... | 08/10/1999 |
| 5932096 | Magnetic purifying apparatus for purifying a fluid An improved apparatus for removing magnetic material from a flowing fluid such as water by magnetic separation has a single set of electromagnets which are used with a plurality of magnetic filters for continuous magnetic separation operation alternately ... | 08/03/1999 |
| 5889456 | NMR measuring device having a cooled probe head An NMR measuring device contains an NMR probe head (10a) having an NMR receiver coil (11), and the probe head can be supplied via a cryogenically insulated transfer conduit (9) with coolant from a cooling device (1a). The cooling device comprises a cryo-c... | 03/30/1999 |
| 5864273 | Cryocooler vibration isolation and noise reduction in magnetic resonance imaging Vibration and noise isolation for a magnetic resonance imager (MRI) superconducting magnet cryocooler includes a bellows between the cryocooler and its vacuum sleeve in the magnet, a mass suspended along the axis of, but at a distance from, the cryocooler... | 01/26/1999 |
| 5861574 | Apparatus for mounting a superconducting element An apparatus for mounting a superconducting element includes a first chamber which accommodates a first coolant and maintains the superconducting element at a very low temperature, a second chamber which accommodates a second coolant and is thermally conn... | 01/19/1999 |
| 5857342 | Temperature controlling cryogenic package system A temperature controlled cryogenic package system for efficiently and precisely monitoring and controlling the operating temperature of a high temperature superconductor circuit placed on a substrate. The cryogenic package system comprises a heating eleme... | 01/12/1999 |
| 5551243 | Superconductive magnet for magnetic resonance systems A super conducting magnet system for magnetic resonance systems comprising at least one radiation shield. Temperature sensors, an external refrigeration system and a controller are provided for maintaining said at least one shield at a constant temperatur... | 09/03/1996 |
| 5524441 | Lead-in module for the supply of a low critical temperature superconducting electric load Lead-in module for the supply of a low critical temperature superconducting electric load The module (3) is located inside a cryostat (1), it is fixed to its sealing cover (2) and it comprises a pair of metal conductors (6, 7) which pass through the cover... | 06/11/1996 |
| 5461873 | Means and apparatus for convectively cooling a superconducting magnet Apparatus and methods for cooling a superconducting magnet by circulating a pressurized helium gas through a convective cooling loop by natural convection, and apparatus and methods have been provided for quickly and effectively cooling a warm superconduc... | 10/31/1995 |
| 5442928 | Hybrid cooling system for a superconducting magnet A cooling system for a superconductive magnet. A dewar, located outside the magnet, includes a vacuum jacket hermetically connected to the magnet's vacuum enclosure and includes liquid helium located within the vacuum jacket. A thermal busbar is located w... | 08/22/1995 |
| 5417073 | Cryogenic cooling system A Cryogenic Cooling System generally comprises a portable Dewar and a charging station for the Dewar. In the preferred embodiment, a HTSC device, such as a MRI coil, is contained in the Dewar which uses liquid nitrogen as a cryogenic coolant. The Dewar in... | 05/23/1995 |
| 5379600 | Superconducting magnet and method for assembling the same A superconducting magnet which is capable of improving the refrigerating and the assembling characteristics and of composing in small size. A helium vessel 2 contains a cylindrical superconducting coil for cryogenically refrigerating it by liquid helium. ... | 01/10/1995 |
| 5333464 | Cold head sleeve and high-TC superconducting lead assemblies for a superconducting magnet which images human limbs A cold head sleeve and superconducting lead assembly including a cryocooler and a tube operatively connected to the cryocooler. A first and second heat station are operatively connected to the cryocooler with a magnet cartridge operatively connected to th... | 08/02/1994 |
| 5301507 | Superconducting magnetic energy storage device This invention relates to a cryogenless superconducting magnet system of the type that is attached to a utility grid at end-user site and is used to store electrical energy until such time that an electrical disruption occurs in the grid. Structures of th... | 04/12/1994 |
| 5291739 | Adjustable alignment for cryogen venting system for superconducting magnet An adjustable alignment assembly for a cryogen venting system for a superconducting magnet including a radially adjustable floating flange connection with a cryogenic seal to enable precise alignment of the cryostat vent pipe with the ceiling vent pipe of... | 03/08/1994 |
| 5235818 | Cryostat In a cryostat having a vacuum container (6), a refrigerator (2) having an elongated part (2b, 2c) extending in the vacuum container and having a cooling section (36, 37), a cooled member (4, 5) cooled by the cooling section, and a thermal coupling member ... | 08/17/1993 |
| 5222366 | Thermal busbar assembly in a cryostat dual penetration for refrigerated superconductive magnets This invention relates to thermal busbar assemblies in a cryostat dual penetration for refrigerated superconductive magnets. Such structures of this type, generally, allow heat to be conducted from the refrigerated superconductive magnet to the refrigerat... | 06/29/1993 |
| 5220800 | NMR magnet system with superconducting coil in a helium bath In an NMR magnet system for generating a highly homogeneous magnetic field of high field strength, with at least one superconducting magnet coil which is arranged in a first chamber of a cryostat in supercooled liquid helium at a temperature of less than ... | 06/22/1993 |
| 5216889 | Cold head mounting assembly in a cryostat dual penetration for refrigerated superconductive magnets This invention relates to cold head mounting assemblies in a cryostat dual penetration for refrigerated superconductive magnets. Such structures of this type, generally, allow heat to be conducted from the refrigerated superconductive magnet to the refrig... | 06/08/1993 |
| 5182914 | Rotary dipole active magnetic regenerative refrigerator The rotary dipole active magnetic regenerative refrigerator (10) of the present invention comprises a stationary first regenerative magnetic bed (12) positioned within a stationary first inner dipole magnet (14), a stationary second regenerative magnetic ... | 02/02/1993 |
| 5176003 | Cryostat In a cryostat having a vacuum container (6), a refrigerator (2) having an elongated part (2b,2c) extending in the vacuum container and having a cooling section (36, 37), a cooled member (4, 5) cooled by the cooling section, and a thermal coupling member (... | 01/05/1993 |
