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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7872554 | Sealing device and rotation detector A pulser ring and a second seal ring are separately formed. When a multipolar magnetic rotor of the pulser ring is bonded to an outer circumferential face of an outer cylindrical portion of an annular core portion, the multipolar magnetic rotor is opposed to a magne... | 01/18/2011 |
| 7872553 | Magnetic bearing element The invention relates to a magnetic bearing element having at least one annular permanent magnet (2, 3) that is surrounded by an annular binding band (5), which element is characterized in that the permanent magnet (2, 3) is divided at least one... | 01/18/2011 |
| 7750776 | Anisotropic bonded magnet for use in a 4-pole motor, a motor employing that magnet, and an alignment process apparatus for the anisotropic bonded magnet for use in a 4-pole motor A hollow cylindrically shaped anisotropic bonded magnet for use in a 4-pole motor, is formed by molding anisotropic rare-earth magnet powder with resin. The alignment distribution of the anisotropic rare-earth magnet powder in a cross section perpendicular to the ax... | 07/06/2010 |
| 7710227 | Electromagnetic energy transducer An electromagnetic energy transducer comprising a permanent magnet (1), a soft-magnetic element (9), an electrical coil (6) and stop points (8a-8d). The electrical coil surrounds a part of the magnetic circuit, wherei... | 05/04/2010 |
| 7561015 | Magnet secured in a two part shell A magnet encapsulated within a canister formed from two cans into a laminated structure particularly useful in plasma processing reactors. Each can includes an end wall and a cylindrical sidewall. One can additionally includes an annular lip that slidably fits outsi... | 07/14/2009 |
| 7557685 | Mineral supplement cow magnet A cow magnet is provided having minerals that have been found useful for good health. A cow magnet of Ferrous Oxide (FeO) and stable Strontium (Sr) is discovered to be healthy. Stable Strontium (Sr) is discovered to be used by the bovine body to increase bone growth... | 07/07/2009 |
| 7551051 | Ring magnet and method of manufacturing the magnet Radially oriented ring-shaped preliminarily molded pieces of a ring magnet are stacked in an axial direction to form a ring-shaped molded body, in which end faces of the ring-shaped preliminarily molded pieces are bonded together. This ring-shaped molded body is sin... | 06/23/2009 |
| 7504921 | Stepping flexures An actuator for moving a load has a frame forming a race between two surfaces thereof, at least two elements joined together by at least one flexible member, the elements and the at least one flexible member being disposed between the two surfaces of the frame that ... | 03/17/2009 |
| 7459998 | Control device for reversing the direction of magnetisation without an external magnetic field The disclosure relates to a device for controlling magnetization reversal in a controlled ferromagnetic system such as a magnetic memory element, without using an external magnetic field, wherein it comprises between two flat electrodes a magnetic control part compr... | 12/02/2008 |
| 7456715 | Magnetic encoder and wheel support bearing assembly utilizing the same There is provided in accordance with the present invention a magnetic encoder (10) including a ring-shaped multipolar magnet (14) having a plurality of opposite magnetic poles alternating with each other in a direction circumferentially thereof, and a ... | 11/25/2008 |
| 7423431 | Multiple ring polefaceless permanent magnet and method of making A permanent magnet assembly for an imaging apparatus having a permanent magnet body having a first surface and a stepped second surface which is adapted to face an imaging volume of the imaging apparatus, wherein the stepped second surface contains at least four ste... | 09/09/2008 |
| 7423506 | Annular magnet An annular magnet is formed by coupling a plurality of arc-shaped divided magnets with each other in an annular shape as well as such being magnetized with N and S magnetic poles on the end surfaces thereof in an axial direction, wherein the annular magnet is formed... | 09/09/2008 |
| 7391327 | Magnetic detacher with open access Various embodiments of a magnetic detacher with open access are described. In one embodiment, the magnetic detacher may include magnet assembly to provide open access to a hard tag and a magnetic field sufficient to disengage a clamping mechanism of the hard tag. Ot... | 06/24/2008 |
| 7391291 | Sealed rare earth magnet and method for manufacturing the same It is an object of the present invention to provide a rare earth magnet that will not decompose due to hydrogen embrittlement when used in a hydrogen gas atmosphere, and furthermore, does not pose the risk of contaminating a reaction bath with the surface treated fi... | 06/24/2008 |
| 7383653 | Magnet device A device for magnetically adhering to an external surface includes one or more magnets placed in a storage chamber. The magnet(s) always remain oriented to adhere to the external surface in any position of the device. ... | 06/10/2008 |
| 7372181 | Rotor for brushless motor and brushless motor A rotor for a brushless motor which can securely prevent an idle running and a scattering of a magnet while restricting a manufacturing cost as low as possible. The rotor is provided with a sintered ring magnet in which not-ground recess portions are formed in an ax... | 05/13/2008 |
| 7371472 | Permanent magnet ring In a permanent magnet ring (1) formed by arranging a plurality of unit permanent magnets (21a, 21b, 21c . . . ), each of a plurality of the unit permanent magnets (21a, 21b, 21c | 05/13/2008 |
| 7372968 | Loudspeaker driver An inertial exciter (40) for an acoustic radiator (42), and a loudspeaker incorporating an acoustic radiator and such an exciter. The exciter has a massive member (44); a coupler (56) adapted for attachment to the acoustic radiator (42... | 05/13/2008 |
| 7365623 | Permanent magnet, magnetic device for use in MRI including the same, and manufacturing processes thereof The present invention provides a permanent magnet, comprising a cylinder formed with a permanent magnetic material. The cylinder comprises along a radial direction, a magnetic core and a magnetic sheath that are coaxial. The magnetic core is assembled in the magneti... | 04/29/2008 |
| 7366454 | Long magnet, production method thereof, magnet roller and image forming device The long magnet includes a magnet block made of a mixture of rare earth magnetic powder, thermoplastic resin particles, fluidity additive, pigment, wax and charge control agent, and a reinforcing member to reinforce the magnet block. At least part of the reinforcing... | 04/29/2008 |
| 7362095 | Angle-measurement device and method for fabrication thereof An angle-measurement device comprising at least one first tracer and one second tracer wherein the tracers are disposed on a common backing and are divided from one another by a separation groove. ... | 04/22/2008 |
| 7357225 | Two part oil or fluid drain plug with magnet A two part oil drain plug assembly facilitates the draining of oil or fluid from a sump, and its use prevents the threads of the sump, which may be an automotive oil pan, from becoming stripped or damaged. Further, the device aids in the determination of the physica... | 04/15/2008 |
| 7359572 | Automatic analysis and adjustment of digital images with exposure problems Techniques and tools for analyzing and adjusting the exposure of digital images are described. For example, a computer processes a digital image by analyzing exposure data, assigning an image classification (e.g., StretchNeeded, UnderExposed, OverExposed, or Normal)... | 04/15/2008 |
| 7353873 | Magnetic assemblies for deposit prevention and methods of use An apparatus and method for controlling and/or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented such that the fluid flow is pref... | 04/08/2008 |
| 7354021 | Magnet for an ionic drive for space vehicles A toroidally shaped magnetic device with distortion-free exit and access ports provides toroidal magnetic ionic drive systems for vehicles that achieve a more operationally efficient, uniform and stronger radial magnetic field. This is accomplished by magnetizing a ... | 04/08/2008 |
| 7348704 | Rotor of motor and manufacturing method thereof A rotor of a motor includes a cylindrical magnet having at least one first coupling portion at an inner circumferential surface of the cylindrical magnet; and a rotor core coupled with the cylindrical magnet, the rotor core having at least one second coupling portio... | 03/25/2008 |
| 7338573 | Magnetic substrates with high magnetic loading A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnet... | 03/04/2008 |
| 7339449 | Magnetic woven heart A woven magnetic is disclosed. The woven magnetic device comprises a first member comprising a magnetic material and having a body with a top portion and a bottom portion opposite the top portion and the bottom portion has at least two fingers. The woven magnetic de... | 03/04/2008 |
| 7322433 | Tool for excavating an object A Tool for excavating an object, the tool having a jetting system arranged to impinge the object to be excavated with a jetted stream of a drilling fluid mixed with abrasive particles, the jetting system being provided with at least a mixing chamber wit... | 01/29/2008 |
| 7310035 | Magnetic metal accessory holder A magnetic apparatus, which can be engaged to various preselected objects, is used for holding various articles which are attracted to a magnet. The magnetic apparatus comprises a platform member having a predetermined shape and a predetermined size. At least one ma... | 12/18/2007 |
| 7307501 | Permanent magnet package, method for manufacturing same, and method for transporting permanent magnet It is an object of the present invention to provide a package for permanent magnets in which the amount of magnetic field that leaks externally is reduced, and that is stable. There is provided a permanent magnet package 1 comprising: a plurality of magnet ro... | 12/11/2007 |
| 7289010 | Mn-Zn based ferrite member There is provided a Mn—Zn based ferrite member excellent in mass productivity, high in withstand voltage, low in loss and excellent in direct current superposition property. The Mn—Zn based ferrite member is provided with a surface layer portion having the prope... | 10/30/2007 |
| 7289013 | Bulk amorphous metal inductive device A bulk amorphous metal inductive device includes a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air therein. The component has a plurality of similarly shaped layers of amorphou... | 10/30/2007 |
| 7286034 | Magnets with varying magnetization direction and method of making such magnets A permanent magnet in which the magnetization direction varies with location to optimize or restrict a magnetic field property in a selected direction at a selected point. The magnetic field property may be, for example, the transverse magnetic field, axial magnetic... | 10/23/2007 |
| 7273332 | Method and apparatus for through-hole placement in a building structure A method and apparatus for creating a through-hole in a building structure includes selecting a first location on a first side of the building structure that will define a first opening of the through-hole; disposing a magnet at the first location; selecting a secon... | 09/25/2007 |
| 7262678 | Magnet system and MRI system With a view to providing a magnet apparatus which can form a medium magnetic field with use of permanent magnets, the magnet apparatus having a pair of parallel disc-like permanent magnets with magnetic poles of mutually opposite polarities opposed to each other thr... | 08/28/2007 |
| 7259561 | Generator of a time-variable magnetic field and magnetic resonance device A generator (13A, . . . 13C) of a time-variable magnetic field (B1) of a magnetic resonance device (1) which has an examination space (9,9A) for accommodating at least one area to be examined of an examination subject (7), i... | 08/21/2007 |
| 7250840 | Layered product A layered product prepared by applying a surface treatment to an adherend having a surface with a low binding property with an anaerobic adhesive, which does not require a complex work, primer application, effected by accelerating an adhesive curing rate, and does n... | 07/31/2007 |
| 7249579 | Enhanced permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine A valve actuator for an internal combustion engine is described having a core having a wound coil located therein, said core further having at least one permanent magnet located at least partially inside or outside said coil and positioned at an angle relative to a ... | 07/31/2007 |
| 7242513 | Encapsulated electrophoretic displays having a monolayer of capsules and materials and methods for making the same An encapsulated electrophoretic display having a plurality of non-spherical capsules disposed substantially in a single layer on a substrate. ... | 07/10/2007 |
