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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8188825 | Transformer structure A transformer includes a base, a magnetic core assembly and at least one winding coil assembly. The base includes a first receptacle and at least one first receiving recess. The magnetic core assembly includes a first magnetic part, a second magnetic part and a thir... | 05/29/2012 |
| 8183968 | Bobbin of transformer A bobbin of a transformer includes a main body and plural connecting bases. The main body has two side plates. The two side plates are respectively disposed on two opposite sides of the main body. A winding section is defined within the two side plates for winding a... | 05/22/2012 |
| 8125306 | Transformer set A transformer set includes a first bobbin piece, a second bobbin piece, a third bobbin piece, a fourth bobbin piece and a magnetic core assembly. The second bobbin piece has a first pin and a second pin. A first terminal of a first secondary winding coil is fixed on... | 02/28/2012 |
| 8120458 | Ferrite core and transformer using the same A ferrite core includes an end face portion, a pair of outer legs protruding from the end face portion, and a center leg protruding from the end face portion between the pair of outer legs. A width W1 close to one end portion of the center leg in a Y-axis dir... | 02/21/2012 |
| 8102231 | End cap for an inductive component and inductive component An end cap for an inductive component is disclosed. The end cap has a receptacle configured to receive the inductive component along a longitudinal direction, a jaw extending in the longitudinal direction, and a guide device disposed on the jaw and configured to all... | 01/24/2012 |
| 8031040 | Magnetic component having a bobbin structure with integrated winding A magnetic component has a bobbin structure for winding a conductive material. The bobbin structure includes a bobbin body having a first winding embedded in the bobbin body. The first winding is made of a conductive material. The first winding includes a winding bo... | 10/04/2011 |
| 7990245 | Multi-sectional bobbin for high voltage inductor or transformer Improved multi-sectional bobbin designs described herein define a channel suitable to accommodate a portion of the wire that transits from prior winding section to the next, wherein opposing walls of the channel so defined separate the transiting portion of the wire... | 08/02/2011 |
| 7990244 | Inductor winder An electrically insulating bobbin surrounds the magnetic core of an inductor. The bobbin includes a number of channels to receive wire for making an inductor. When wire is positioned in the channels, the wire is wound around the inductor core, but insulated from the... | 08/02/2011 |
| 7969273 | Insulating member An insulating member is provided with a rear surface section, a pair of side surface sections and a pair of column sections. The rear surface section is formed to be arranged between an edgewise coil and the yoke inner circumference surface of a stator core. The pai... | 06/28/2011 |
| 7969272 | Planar core structure Generally, a low-profile planar core structure for use in magnetic components and related processes are presented herein. More specifically, the planar core structure provides a relatively large winding area that reduces heat dissipation, reduces leakage inductance,... | 06/28/2011 |
| 7948345 | Transformer and transformer device A transformer that is capable of setting any characteristics of a detection voltage of a detection winding and accurately detecting an output voltage includes a bobbin, a magnetic core, a first input winding, an output winding, a second input winding, and a detectio... | 05/24/2011 |
| 7928822 | Bobbin, coil-wound bobbin, and method of producing coil-wound bobbin A bobbin includes a spool portion having a hollow circular cylinder shape and adapted to have a wire wound thereon in multilayer alignment; a flange integrally disposed at one end of the spool portion; and a terminal block integrally disposed at the flange and adapt... | 04/19/2011 |
| 7915990 | Wiring assembly and method for positioning conductor in a channel having a flat surface portion A conductor assembly and method for constructing an assembly of the type which, when conducting current, generates a magnetic field or which, in the presence of a changing magnetic field, induces a voltage. In one embodiment the method includes providing a first ins... | 03/29/2011 |
| 7898378 | Magnetic resonance device A coil for a magnetic resonance device is provided. The coil includes a cylindrical coil insulating frame with at least one winding groove running around its circumference, at least one coil conductor wound into the winding groove around the coil insulating frame, a... | 03/01/2011 |
| 7893805 | Transformer A transformer includes a main body and a secondary winding. The main body has a primary winding partition, several secondary winding partitions and two end portions. Several leads are disposed in either end portion. A wire-guiding area is formed in a sunken area in ... | 02/22/2011 |
| 7884694 | Transformer A transformer is provided. The transformer includes at least a high voltage coil, at least a low voltage coil and a soft-magnetic colloid element. The soft-magnetic colloid element is disposed between the high voltage coil and the low voltage coil. ... | 02/08/2011 |
| 7872559 | Winding method and coil unit A rectangular coil unit 1 is manufactured in such a manner that four wires 2 are simultaneously regularly wound on four outer surfaces of a bobbin 3 having a rectangular section so that the wires 2 advance obliquely together for a lane ch... | 01/18/2011 |
| 7868726 | Winding method and coil unit A rectangular coil unit is manufactured in such a manner that two wires are simultaneously regularly wound on four outer surfaces of a bobbin having a rectangular section so that the wires advance obliquely together for a lane change corresponding to 0.5 wire on one... | 01/11/2011 |
| 7859380 | Bobbin assembly A bobbin assembly is disclosed that includes a first bobbin and a second bobbin. The second bobbin is configured substantially similar to the first bobbin. The first and second bobbins include a first flange and a second flange disposed at opposite ends of a central... | 12/28/2010 |
| 7839252 | Spool, brake and electric motor A spool includes at least one bobbin and one winding wire, e.g., a winding wire lacquered for electrical insulation, the bobbin including at least one channel, e.g., one arranged as a pocket, at least one sleeve being electrically connected to the winding wire, the ... | 11/23/2010 |
| 7834733 | Inductive component An inductive component includes a coil former comprising connection pins, a first winding and a second winding on the coil former, and protective components comprising either a PTC element or a polyswitch. The protective components are connected directly to the coil... | 11/16/2010 |
| 7834734 | Bobbinless coil and method of manufacturing the same A pair of disk-shaped guide members abut on opposite end surfaces in the axial direction of a conductor wire wound round into a coil shape by using a separable jig. The guide members are biased toward each other by engaging a part of the conductor wire with engaging... | 11/16/2010 |
| 7804388 | Transformer A transformer is provided. The transformer comprises a coil frame, an input coil and an output coil. The input coil and the output coil are both disposed on the coil frame and interlaced with each other. A second voltage outputted by the output coil is induced by a ... | 09/28/2010 |
| 7764157 | Transformer The present invention relates to a transformer with a coil body accommodating at least one primary coil and one secondary coil. It is the object of the present invention to provide a transformer which, using the smallest possible amount of high-grade insulation mate... | 07/27/2010 |
| 7746206 | Inverter transformer and inverter power module having the same for use in electric/electronic device An inverter power module for use in an electric/electronic device includes a driving circuit board, a power transformer mounted on the driving circuit board, an inverter transformer mounted on the driving circuit board, and a blocking unit to block a magnetic flux t... | 06/29/2010 |
| 7724115 | Circuit carrier and transformer assembly The present invention relates to a circuit carrier and transformer assembly. The circuit carrier and transformer assembly includes a circuit carrier and a transformer. The transformer includes a bobbin with multiple bobbin bases. The circuit carrier includes multipl... | 05/25/2010 |
| 7714687 | Transformer In a transformer including a coil part having a first bobbin to which a coil is mounted, a second bobbin to be fitted to the first bobbin combined to each other, the coil part being sandwiched between magnetic cores from above and below, the first bobbin includes at... | 05/11/2010 |
| 7696851 | Transformer with separated bobbin A bobbin includes a first winding frame to wrap primary winding coils thereon, a first winding chassis defining a first opening to receiving the first winding frame therein, a pair of second winding chassis positioned at two opposite ends of the bobbin and each defi... | 04/13/2010 |
| 7642889 | Inverter transformer having bobbin with protected terminal pins An inverter transformer includes a core structure, bobbins each including a spool portion and first and second terminal blocks and having a part of the core structure inserted therein, and primary and secondary windings wound around the bobbin, wherein the first and... | 01/05/2010 |
| 7633367 | Structure of transformer A transformer includes a first bobbin piece, a second bobbin piece, a first pin, a second pin and a magnetic core assembly. The first bobbin piece has a first channel therein and a covering element, and a primary winding coil is wound on the first bobbin piece. The ... | 12/15/2009 |
| 7612644 | Winding structure of a transformer An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region... | 11/03/2009 |
| 7612642 | Winding structure of a transformer An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region... | 11/03/2009 |
| 7612643 | Winding structure of a transformer An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region... | 11/03/2009 |
| 7570143 | Method for winding a coil, a winding form, and a coil A method, in at least one embodiment, is disclosed for winding a coil onto a winding form including a first part, a second part, and a step between the first part and the second part, the first part having a relatively larger diameter than the second part. In an emb... | 08/04/2009 |
| 7567164 | Transformer having reduced size, safety insulation and low leakage inductance A transformer. The transformer includes a first conductor plate, a second conductor plate, a plate positioning member, an insulated wire, and a magnetic core. The second conductor plate is spaced apart from and electrically connected to the first conductor plate. Th... | 07/28/2009 |
| 7538651 | Winding structure of a transformer An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region... | 05/26/2009 |
| 7532100 | Plastic sealing of solenoid bobbins A method and apparatus for overmolding a plastic shroud onto a bobbin including the step of providing a protrusion ring on the surface of the bobbin surrounding each standoff between the bobbin and a mold wall and extending outwards from the surface of the bobbin. A... | 05/12/2009 |
| 7459999 | Variable-diameter electromagnetic coil The present disclosure relates to a variable diameter electromagnetic coil. The coil may include a coil winding containing inner and outer winding layers. The coil may incorporate a first hub including one or a plurality of inner supports, one of the inner supports ... | 12/02/2008 |
| 7456719 | Inverter transformer An inverter transformer for lighting multiple discharge lamps is provided which has a plurality of output voltages including reversed polarity output voltages while ensuring a reliable insulation performance, and which is produced in a small size and at a low cost. ... | 11/25/2008 |
| 7443277 | Coil component A coil component including a flanged core having a flange portion on at least one end portion of winding core, a coil that is wound around the winding core, a bottomed cylindrical cup-shaped core consisting of a bottom portion and a circumferential wall portion, and... | 10/28/2008 |
