Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7392581 | Method for manufacturing a magnetic element A plate member includes a frame portion (51) provided in a state of coupling both one end portion and other end portion and mounting terminal portions (44) protruding from the one end portion and the other end portion of said frame portion (51) ... | 07/01/2008 |
| 6914195 | Distribution transformer An oil-filled pole-mounted distribution transformer comprises a tank housing a transformer core-coil assembly immersed in cooling oil. The tank is made of a corrosion-proof composite material and a radiator is provided for cooling the oil. The radiator is external t... | 07/05/2005 |
| 6885269 | Fastening device for toroidal choking coil The invention relates to a fastening device for a toroidal choking coil for fastening a toroidal coil (1) to an electric device or a corresponding supporting base (13), the toroidal choking coil comprising an inner circumference defined by a surface pa... | 04/26/2005 |
| 6806803 | Transformer winding An electrical transformer is disclosed. The electrical transformer comprises a central axis, a first modular section, and a second modular section. The first modular section is positioned about the central axis and comprises a first support, a first winding of a con... | 10/19/2004 |
| 6784772 | Electric solenoid with adaptable connectors and mountings An electric solenoid with adaptable terminals and posts to connect to a variety of different electric connectors, and with a multiple-eared mounting plate permitting mounting in a variety of configurations. The solenoid posts combine internally-threaded female post ... | 08/31/2004 |
| 6776147 | Ignition coil assembly for engine In an ignition coil assembly, a plurality of ignition coils is arranged to be electrically connected to spark plugs received in plug holes of an engine. A base cover includes a plurality of receiving through holes, which are arranged at corresponding positions that ... | 08/17/2004 |
| 6765467 | Core support assembly for large wound transformer cores Transformer cores, especially those of wound or laminated annealed amorphous metals which include support assemblies are disclosed. Methods for their manufacture, and their use in assembled transformers are also disclosed. ... | 07/20/2004 |
| 6744343 | Flyback transformer mounting structure for video apparatus A flyback transformer is mounted on a main wiring board formed with a power circuit. A mounting bracket shaped like an L-character in plan view is integrally molded on a chassis. A mounting portion disposed at the top of the flyback transformer is fixed by screws to... | 06/01/2004 |
| 6624733 | Adaptable solenoid with break-off tabs A solenoid assembly has a U-shaped bracket with outwardly extending mounting appendages. A solenoid coil has one end supported by the U-shaped bracket, a centerplate for centering and supporting the opposite end of the solenoid coil and a trapping plate f... | 09/23/2003 |
| 6597272 | Transformer having stabilized power output A transformer includes a ferrite base plate having a chamber for receiving a winding and one or more further windings which may be coupled to a ground. The windings are electrically coupled together, and separated from each other by partitions. An insulat... | 07/22/2003 |
| 6410851 | Mounting system for electrical wiring boxes A mounting system for use in an electrical housing or junction box provides a tactile indication to the installer that the housing is properly installed. The mounting system includes a keyhole shaped opening in a wall of the housing. The keyhole-shaped op... | 06/25/2002 |
| 6359542 | Securement for transformer core utilized in a transformer power supply module and method to assemble same An apparatus and method for releasable securement together of a transformer power supply assembly together which includes a stacked arrangement (20) of a first transformer core plate (28) positioned to overlie a circuit board (26), a second transformer co... | 03/19/2002 |
| 6176308 | Inductor system for a submersible pumping system An inductor assembly is disclosed for protecting electronic circuitry in a downhole equipment string. The inductor assembly includes a plurality of modular inductors coupled to one another in series to provide the desired inductance. The modular inductors... | 01/23/2001 |
| 6147581 | Universal transformer tank for pole-mounted distribution transformers A universal transformer tank for distribution transformers is comprised of a cylindrical housing having a circumferential side wall, a bottom wall and an open top end. A cover is removably secured on the open top end. An adjustable clamping assembly is se... | 11/14/2000 |
| 6118362 | Integrated inductive assembly An integrated inductive assembly includes first and second inductive elements each comprising a winding wherein winding axes of the windings are perpendicular to one another. In addition, the first and second inductive elements are carried adjacent one an... | 09/12/2000 |
| 5875767 | Ignition coil arrangement for internal combustion engines An ignition coil arrangement for internal combustion engines is embodied so that a housing of an individual ignition coil can be produced economically, and attachment of the ignition coil can be accomplished easily. The ignition coil is configured as a ro... | 03/02/1999 |
| 5431270 | Coin accepting apparatus A coin accepting apparatus. The apparatus includes a pair of generally parallel, spaced-apart plates. The plates define a coin track for receiving and guiding coins wherein each plate has a side facing the coin track and an opposing side facing away from ... | 07/11/1995 |
| 5430425 | Integrated frame system A clamping frame for a transformer core has a clamping frame part and a tensioner. The surfaces of the tensioner and of the clamping frame part abutting the transformer core lie in a common plane. The tensioner features an engagement part, which engages i... | 07/04/1995 |
| 5402321 | Composite device having inductor and coupling member A method of producing a composite component and a composite device which are small in size, high in the mass-production aptitude, and stable in the electrical characteristics. The composite component includes an inductor (1), coupling unit (3), and at lea... | 03/28/1995 |
| 5373416 | Ballast holder A ballast holder which can be fabricated from a single piece of bent sheet metal material, includes a gusseted riser structure, a base portion extending rearwardly from the foot of the riser structure, and a top flange portion extending in a forwardly dir... | 12/13/1994 |
| 5319341 | Core support blocking for toroidal transformers Core support blockings (10, 12) used to support a toroidal transformer (2) within a transformer housing (4) includes a pie-shaped body (28) having a second end (32) secured to the transformer core (14) using an adhesive (41). The body has adhesive flow re... | 06/07/1994 |
| 5239278 | Transformer and mounting bracket assembly A transformer assembly having a mounting plate of electrically conductive material An electrically conductive core of a transformer has an end mounted on the plate and electrically connected to the plate. A fastener on the plate engages an opening in a ju... | 08/24/1993 |
| 5091711 | Current transformer mounting mechanism for circuit breaker Current transformer mounting mechanism which mounts a current transformer having a core on a circuit breaker to diminish impact caused by switching operation comprising: at least one substantially U-shaped fitting board having curved portions at both ends... | 02/25/1992 |
| 5088010 | Fastening means for a transformer module and a signal generator for mounting at a signal tower Fastening mechanism for a transformer module and a signal generator for mounting at a signal tower. A bottom pan is provided having a multi-use holder, a receptacle for a transformer module, and a holding structure with a cable opening for a signal genera... | 02/11/1992 |
| 5055971 | Magnetic component using core clip arrangement operative for facilitating pick and place surface mount A core securing clip to hold the two core members of the core of a surface mount magnetic component together is designed with a large planar surface to provide a suitable surface to facilitate the use of pick and place apparatus in mounting the magnetic c... | 10/08/1991 |
| 5032814 | Mounting assembly for an ignition coil, in particular for an internal combustion engine of an automotive vehicle A multiple ignition coil, in particular for an internal combustion engine for an automotive vehicle, has a casing in which are integrated at least two magnetic assemblies, at least two magnetic flux return circuits constituting a metallic armature of the ... | 07/16/1991 |
| 4806895 | Toroidal coil mount A mounting device includes a clamp-like first end portion adapted to engage an upper portion of a ferrite core and toroidal winding combination and an elongated, linear second end portion. Disposed along the length of the second end portion of the mountin... | 02/21/1989 |
| 4746825 | Alternator core attachment An alternator or generator core attachment is provided for connecting to a ferromagnetic coil of a magneto used in the ignition system of small combustion engines. The attachment includes a radially extending leg portion, on which a generator coil is woun... | 05/24/1988 |
| 4736179 | Ignition coil for internal combustion engines An ignition coil (1) for internal combustion engines comprises a magnetic core (4) of the core- of sleeve type, around the main core of which the primary and secondary winding being insulatingly enveloped with a cast material is arranged, the end regions ... | 04/05/1988 |
| 4647886 | Coil apparatus for electromagnetic contactor The invention is a coil and armature return spring mounting system for an electromagnetic contactor. One embodiment of the invention is an electromagnetic contactor comprising a housing; a stationary magnetic core having two arms and a connecting link, th... | 03/03/1987 |
| 4609901 | Transformer clamp-down bracket A clamp-down bracket secures a C-shaped housing of a transformer to a concrete foundation. The bracket includes a C-shaped first portion for engaging the side of an opening in the foundation and a second portion coupled to the first portion for engaging t... | 09/02/1986 |
| 4438421 | Mounting bracket for a transformer A vibration resistant mounting bracket (10) that secures a power transformer (20,30) within the housing of an aircraft ignition system. The bracket (10) has a single source (11) that extends through the winding (30) and partially around the core (20) of t... | 03/20/1984 |
| 4325044 | Mount for an electromagnetic coil A holder for retaining mirror symmetric E core halves of an electromagnetic core structure consists of angle pieces each having a leg disposed parallel to abutting sides of the E core halves and each having another leg extending around a straight outer su... | 04/13/1982 |
| 4283699 | Holder for an electromagnetic coil A holder for an electromagneticcoil assembly comprised of joined mirror symmetric E core halves has two bracket pieces which are disposed adjacent to joined legs of the E core halves, each bracket having a pair of bores therein for receiving at least one ... | 08/11/1981 |
| 4176296 | Core mounting for solenoidal electric field lamps A mounting assembly for a ferrite core disposed within a solenoidal electric field lamp comprises first and second members disposed in chord-like fashion, each having an opening for receiving the core, and in one embodiment, a third member which encircles... | 11/27/1979 |
| 4172964 | Packaged inductive coil assembly Two stacks of individual loading coils are mounted on the arms of a U-shaped bracket which is supported on a divider wall of a contoured plastic case having a pair of compartments for receiving the coil stacks. The crossarm of the bracket is shaped to fit... | 10/30/1979 |
| 4025824 | Transformer support rack A support rack for mounting at least one electrical current transformer upon an electrical utility pole, including a bracket for each current transformer, a hollow arm connecting each bracket to a hollow junction box having a depending conduit connection ... | 05/24/1977 |
| 3987387 | Transformer having an insulating body for a winding The specification describes a transformer comprising two windings coupled by a magnetic circuit inductively with each other and a high voltage insulating body insulating the windings from each other. The insulating body has two blind holes spaced apart an... | 10/19/1976 |
| 3965287 | Electric circuit enclosure transformer mounting means A mounting plate adapted to mount a transformer on an electric circuit enclosure. The mounting plate is provided with a dual function knockout arrangement so that the transformer to be mounted can either be surface mounted with different types of mounting... | 06/22/1976 |
| 3965451 | Ballast transformer mounting arrangement A mounting arrangement for mounting a ballast transformer to a structural support member. As employed in accordance with the invention, the ballast transformer has an opening through the core portion thereof. A pair of L-shaped mounting members are mounte... | 06/22/1976 |
