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| Number | Title | Issue Date |
| 7405646 | Multiple conductor indicator One embodiment of the present invention provides a fuse having opened-fuse indication, which places two or more coils or conductors in parallel and in thermal contact with an indicating material. The multiple conductors allow a lower level of current to produce suff... | 07/29/2008 |
| 7394343 | Blade fuse tester having lamp A handheld device having a lamp for testing and clipping a blade fuse includes a handle having two probes extended therefrom, a clamp formed on one end of the handle, and an indicator for indicating the condition of the fuse. One of the probes is movably disposed on... | 07/01/2008 |
| 7369030 | Fuse state indicator A fuse state indicator includes an extension member, a secondary fuse link coupled to the extension member, and a contact pin configured to engage a first terminal element of a fuse. An end of the secondary fuse link is wrapped around the pin and establishes an elec... | 05/06/2008 |
| 7369029 | Wireless communication fuse state indicator system and method An electrical fuse and method therefor includes a protective body, terminal elements extending from said protective body, and a primary fuse element extending within said protective body and electrically connected between the terminal elements, and an identification... | 05/06/2008 |
| 7362207 | Electrical switching apparatus and limiter including trip indicator member A limiter includes a housing having a first surface and a second surface, a line terminal, a load terminal, a fusible conductor electrically connected between the line and load terminals and an indicator button disposed proximate the first surface. The button includ... | 04/22/2008 |
| 7339486 | Insertion type fuse with breakage indication An insertion type fuse with breakage indication comprises a seat having a long receiving chamber for receiving a metal fuse; an rectangular bi-directional SMD form LED set being located on the buckle portions; the LED set being a coating device and being high temper... | 03/04/2008 |
| 7312689 | Fuse with metallic state indicator A fuse includes an insulative body, a primary fuse element extending within the body, a fuse state indicator extending on an exterior surface of the body and electrically connected in parallel with the primary fuse element, and first and second ferrules coupled to o... | 12/25/2007 |
| 7176780 | Fuse unit A fuse unit includes first and second fuse devices. Each of the fuse devices includes a attaching portion to be attached to a battery terminal of a battery, a housing provided on the attaching portion and having a cavity which is opened forward and backward of the h... | 02/13/2007 |
| 7140920 | Electric plug An electric plug includes: a housing; a mounting seat mounted in the housing and having two opposite side walls, a U-shaped transverse wall interconnecting the side walls and defining a resistor-receiving recess, and a partition wall cooperating with the side walls ... | 11/28/2006 |
| 7135954 | Circuit breaker for electric coupling device An electric coupling device includes a housing having a front socket opening and a rear chamber formed by two side wall. Two prongs are disposed in the socket opening of the housing and each has a free end extended out of the housing, and two conductor terminals are... | 11/14/2006 |
| 7126488 | Method and apparatus used in combination for installing a blown fuse indicator light within a pre-existing fuse housing Herein provided is a method and apparatus that allows a pre-existing fuse housing to be easily modified and adapted to include a blown fuse indicator light thereon. Whereby when the fuse housing and light in combination are installed within an electrical circuit and... | 10/24/2006 |
| 7119651 | Fuse state indicator A fuse state indicator for a fuse including a cylindrical fuse body and a primary fuse element therein, includes an extension member, a transparent lens, a combustible substance adjacent the lens, a secondary fuse link adjacent said combustible substance, and a curv... | 10/10/2006 |
| 6956459 | Sensing apparatus for blown fuse of rectifying wheel and associated methods A blown fuse proximity sensing device 40 is for use with a rectifying wheel 37 of a type including rectifying diodes 38 and associated fuses 42. Each fuse 42 may include a housing 51, a fuse element 52 carried by the ... | 10/18/2005 |
| 6809627 | Fuse indicator label A fuse indicator is disclosed for indicating the status of a fuse. The fuse indicator includes an electrically conductive material that extends between conductive ends of a fuse and undergoes a visible change in appearance upon being subjected to electrical current ... | 10/26/2004 |
| 6753755 | Electrical safety connector fuse An electrical safety connector fuse for insertion into a two- or three-pin electrical socket comprises a sealed, tamper-proof housing having live and neutral apertures, and live and neutral receptacles for receiving the prongs of a plug, live and neutral prongs for ... | 06/22/2004 |
| 6720857 | High voltage fuse A fuse is provided that is suitable for operation in unusual environments and includes an operation indicator that is simple and reliable. A movable arcing tube is released during operation. As the arcing tube moves outside the fuse assembly, a latching spring moves... | 04/13/2004 |
| 6566996 | Fuse state indicator A fuse state indicator includes a fuse casing having a transparent lens, a combustible substance disposed adjacent the lens, and a base layer disposed adjacent the combustible substance and having a contrasting color relative to the combustible substance.... | 05/20/2003 |
| 6459357 | Fuse indicator label A fuse indicator is disclosed for indicating the status of a fuse. The fuse indicator includes an electrically conductive material extending between conductive ends of a fuse. The material undergoes a visible change in appearance upon being subjected to e... | 10/01/2002 |
| 6456189 | Electrical fuse with indicator An electric fuse is comprised of a tubular fuse casing formed of an electrically insulating material. A first conductive component is attached to a first end of the casing and a second conductive component is attached to a second end of the casing. A firs... | 09/24/2002 |
| 6373370 | Sputtered metal film fuse state indicator An opened fuse indicator includes a substantially transparent lens, a transparent base, and a dark colored backing layer. A sputtered metal layer is formed on the transparent base to provide a light-colored electrically conductive surface including a narr... | 04/16/2002 |
| 6292087 | Fuse indicator label A fuse indicator is disclosed for indicating the status of a fuse. The fuse indicator includes a conductive material adapted to extend between conductive ends of a fuse, and adapted to undergo a visible change in appearance upon being subjected to electri... | 09/18/2001 |
| 6107908 | Blown fuse commutator strip and method of use A blown fuse commutator strip which is removably attachable to a pre existing plug-in type fuse, with the commutator strip having an indicator thereon which will notify the user that the fuse has blown and needs replacing.... | 08/22/2000 |
| 6008715 | Electro-static discharge (ESD) hardened fuse A fuse for interfacing electrical current with electronic components and for shielding the electronic components from potentially damaging electrostatic discharge. The fuse includes a fuse body having an edge and first and second electrical contacts. A fu... | 12/28/1999 |
| 6005484 | Warning device of overload or overheat for the electric cords, cables, sockets A warning device of overload or overheat for the electric cords, cables, sockets comprisng with a, or some warning strips having evident colors at proper location on a PVC power cord, and having heat-sensing layers applied on the warning strips, whereby, ... | 12/21/1999 |
| 5994993 | Fuse indicator label A fuse indicator is disclosed for indicating the status of a fuse. The fuse indicator includes a conductive material adapted to extend between conductive ends of a fuse, and adapted to undergo a visible change in appearance upon being subjected to electri... | 11/30/1999 |
| 5936508 | Fuse state indicator A device for indicating the conducting state of a fuse includes a heat generating material for generating heat in response to an electrical input and adapted to be coupled electrically in parallel with a fuse, and a temperature responsive material thermal... | 08/10/1999 |
| 5886613 | Indicating fuse with protective shield A pin indicating fuse construction incorporates a protective shield member that isolates an indicator assembly from a main-fuse link. By use of the inventive protective shield, arc-quenching filler may be excluded, resulting in a less-costly, more reliabl... | 03/23/1999 |
| 5874884 | Blown fuse indicator circuit including a light housing containing a light source and method of use Apparatus to illuminate a light source when a fuse has blown and method of use. Apparatus including a circuit having: a power supply source, a switch, a load, a fuse housing containing a fuse and a light housing containing a light source.... | 02/23/1999 |
| 5680089 | Fuse A fuse in which molten metal can be positively held or retained in a housing when a fuse element melts, and the melting of the fuse element can be easily confirmed. The fuse includes the fuse element including opposite side portions respectively defining ... | 10/21/1997 |
| 5659283 | Indicating fuse block An indicating fuse assembly includes an electrically non-conductive housing; an array of first and second electrically conductive contacts supported by the housing, each pair of first and second contacts being adapted for connecting a replaceable fuse, th... | 08/19/1997 |
| 5598138 | Fault-indicating blade fuse A fault-indicating blade fuse includes a light-emitting electrical device that is positioned for ready visibility from above the fuse. The device lies within the bounds of the upper body profile of the fuse, and is so constructed and connected as to be ac... | 01/28/1997 |
| 5559662 | Fused disconnect switch A fused disconnect switch including a plurality of maintenance and installation enhancing features is disclosed. For example, a bipolar LED is provided as an alarm indicator so that the fused disconnect switch will function in power distribution systems w... | 09/24/1996 |
| 5113168 | Single position flat mount fuse holder A fuse holder for flat mounting on the edge surface of a printed circuit board comprises a compartment for receiving a fuse assembly; coterminous contact pins which are locked in position and which can be inserted in corresponding apertures on the surface... | 05/12/1992 |
| 5113169 | Indicating fuse assembly A fuse assembly has snubber/indicators which are visible through translucent lenses provided within the fuse cover, for indication and inspection of the fuse operability. The snubbers provide a shearing load upon the fuse filament so as to more positively... | 05/12/1992 |
| 5111176 | Dual position, flat mount piggyback fuse holder A dual position, piggyback fuse holder for mounting on the edge of a printed circuit board comprises two fuse holder compartments each adapted to receive a fuse assembly, plurality of coterminous contact pins which are locked in position and which can be ... | 05/05/1992 |
| 5111177 | Overload condition indicating fuse A fuse is provided which has a fuse housing with a transparent portion thereof, and a fuse element extending through the housing which is coated with a preferably non-hazardous temperature-responsive material. The temperature conditions generated at the i... | 05/05/1992 |
| 4926110 | Voltage switching device with plural fuses A novel voltage switching device operable under a first and a second source voltages is disclosed. The device, which is capable of converting one of the source voltages to the design voltage of an electrical appliance when the two are different, comprises... | 05/15/1990 |
| 4907118 | Visual indicator electrical plug-type surge protector and systems An inexpensive, compact, portable, visual indicator electrical plug-type surge protector which comprises an electrical plug body composed of a molded transparent polymer, the plug body having an extended male grounding prong and a pair of male electrical ... | 03/06/1990 |
| 4834664 | Safety end-connector used for extension cord An improved safety end-connector used for extension cord includes: a circuit protection fuse, a detachable fuse box for easy inspection and replacement, two lead-in wires clamped firmly by a tail clamp of a base, a plurality of pairs of socket openings ea... | 05/30/1989 |
| 4760367 | Electric fuses An electric fuse link (10), which is preferably a cartridge fuse with a cylindrical ceramic body (11) with metal end caps (12), has means for indicating burning out of the fuse element. This consists of a conductive deposit (13) in parallel with the fuse ... | 07/26/1988 |
