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| Number | Title | Issue Date |
| 7946873 | Plug with a spark meltdown-proof structure A plug with a spark meltdown-proof structure for a spark damaged-proof effect is mainly comprised of two center hinged inserters that can be pressed for angle rotation, each inserter has a conductor, one end of which is connected with the output electric wire and th... | 05/24/2011 |
| 7588451 | Plug with a spark meltdown-proof structure A plug with a spark meltdown-proof structure for a spark damaged-proof effect is mainly comprised of two center hinged inserters that can be pressed for angle rotation, each inserter has a conductor, one end of which is for inserting connection with the socket condu... | 09/15/2009 |
| 7179110 | Stably fastened safety plug A safety plug includes a pair of prongs each prong having a hook portion formed on an end portion of the prong to be locked or engaged with a fastening loop portion formed in a receptacle when plugged in the receptacle to prevent from unexpected withdrawal of the sa... | 02/20/2007 |
| 7175463 | Securing device for electrical connectors A connector has a female receptacle and/or a male plug, or combination thereof. The female receptacle has a sleeve for holding prongs plugged into the receptacle and a mechanism for applying pressure against the sleeve such that actuation of the collar causes the so... | 02/13/2007 |
| 6997753 | Apparatus, system and method for improved calibration and measurement of differential devices An apparatus, system and method for facilitating the calibration and measurement of differential devices by a variety of laboratory fixtures. An adapter is used to transition the connection of standard coaxial interfaces to a hermaphroditic differential interface wh... | 02/14/2006 |
| 6126462 | Universal adapter A universal adapter including two electrically conductive pins which are electrically connected with an output socket of an adapter body, in which the pins are releasably engageable with an oblong ring for insertion into holes of a wall socket in order to... | 10/03/2000 |
| 5679016 | Apparatus for selecting fixture conductors and method for rapidly wiring said fixtures Plug-in connectors primarily intended for connecting lighting fixtures into system circuitry, the connectors include selector mechanisms which allow selection of a hot conductor or conductors necessary for energization of the fixtures. The connectors of t... | 10/21/1997 |
| 5664958 | Electrical connector for worn electrical outlets The present invention features a removable electrical connector or adapter for securing the contact prongs of an electric plug to a worn outlet. The connector has a housing with at least two opposing, nonconducting side portions. Each side portion has a t... | 09/09/1997 |
| 5653528 | Headlight for a vehicle A headlight for a vehicle has a housing, a gas discharge lamp arranged in the housing and having an opening, a closing part arranged to close the opening of the housing, a voltage source with which the gas discharge lamp is connectable, a plug connection ... | 08/05/1997 |
| 5615674 | Clamping contact connection A clamping contact connection is provided for contacting a fetal scalp electrode, which is fixable to the head of the fetus by means of a tubular insertion, aid with a leg plate fittable to the expectant mother. The clamping contact connection comprises a... | 04/01/1997 |
| 5197897 | Locking cord connector and method of locking an electrical plug and receptacle together A locking electrical cord connector includes a two piece housing formed from electrically non-conductive material. A pair of conductors are received in the housing. Each conductor includes a male electrical contact and a female electrical contact. Two loc... | 03/30/1993 |
| 5158473 | Connector A connector includes a connector section having electrical terminals disposed on each of a plug and a socket, with electrical signals being transmitted through the electrical terminals when the plug and the socket are connected to each other. A first pair... | 10/27/1992 |
| 5145393 | Electrical plug device An electrical plug device is disclosed for establishing an electrical connection when the device is inserted within an electrical outlet socket. The device includes a housing and a first blade which extends from the housing for establishing a first electr... | 09/08/1992 |
| 5139438 | Extension cord receptacle A receptacle for use with an extension cord and an electrical plug member is formed of a generally "Y" shaped configuration, with a receiving channel directed interiorly of each leg of the "Y" shaped housing, with the legs of the housing biased in a separ... | 08/18/1992 |
| 4886469 | Plug with adjustable pins A plug with adjustable pins wherein the pins can be adjusted either inwardly or outwardly for enabling a tighter fit in the socket by means of an adjusting unit including a cylindrical knob and a pair of concentric end screws threadedly secured to corresp... | 12/12/1989 |
| 4566187 | Method for fixing electric cord and an electrical connector An apparatus for fixing electric cord utilizing an insulator-fixing plate to fix the rubber covering of a wire and a bare wire-fixing plate to fix the bare portion of the wire, thereby firmly fixing the wire and facilitating the mounting and dismounting o... | 01/28/1986 |
| 4451102 | Electrical plug A novel electrical plug comprising two identical members longitudinally combined face-to-face with each other, each member at an inner side comprising four sections including, in sequential order from rear to front end, a support section defining a groove... | 05/29/1984 |
| 4305634 | Electrical plug guard The electrical plug guard comprises a disc member having a pair of elongated slots to frictionally receive the prongs of an electrical plug. The slots have centers offset with respect to each other along the length of the slots. The slots are effective to... | 12/15/1981 |
