Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7351082 | Electrical connector including silicone elastomeric material and associated methods An electrical connector may include a connector body having a passageway therethrough. The connector body may include a first layer adjacent the passageway, a second layer surrounding the first layer and comprising an insulative silicone elastomeric material, and a ... | 04/01/2008 |
| 7341468 | Separable loadbreak connector and system with shock absorbent fault closure stop A separable loadbreak connector and system includes a connector having a contact tube with an axial passage therethrough, and a contact member slidably mounted within the axial passage and movable therein during a fault closure condition. The contact member is axial... | 03/11/2008 |
| 7134889 | Separable insulated connector and method A separable insulated connector provides a current path for high-energy distribution between a power transmission or power distribution apparatus and an elbow connector. As gases and conductive particles exit the separable insulated connector during loadbreak switch... | 11/14/2006 |
| 7104822 | Electrical connector including silicone elastomeric material and associated methods An electrical connector may include a connector body having a passageway therethrough. The connector body may include a first layer adjacent the passageway, a second layer surrounding the first layer and comprising an insulative silicone elastomeric material, and a ... | 09/12/2006 |
| 7104823 | Enhanced separable connector with thermoplastic member and related methods A connector body may have a passageway therethrough and may include a first layer adjacent the passageway and having a relatively low resistivity, a second layer surrounding the first layer and including a material having a relatively high resistivity, and a third l... | 09/12/2006 |
| 7083450 | Electrical connector that inhibits flashover A first electrical connector is configured to be removably coupled to a second electrical connector that includes a housing and a sleeve that depends from the housing. The first electrical connector includes a body having a longitudinal axis, an interface portion, a... | 08/01/2006 |
| 7059879 | Electrical connector having a piston-contact element An electrical connector, such as a bushing insert, includes a housing with an inner bore, opposite ends. One end has an opening providing access to the inner bore. A piston-contact element is movable between first and second axially spaced positions within the inner... | 06/13/2006 |
| 6926547 | Electrical connector An arc quenching electrical connector has a male pin terminal which inserts longitudinally into a receptacle or terminal having a gassing wall engaged concentrically about the receptacle. During “hot unplugging” of the electrical connector, an arc is carried bet... | 08/09/2005 |
| 6908348 | Box terminal with extended contact surfaces and controlled damage location during high voltage arcing with and without suppression under a magnetic field The present invention relates generally to male to female contact terminals, particularly those in use with associated wire harnesses or cables involved in higher voltage and current carrying vehicle applications. More specifically, the present invention discloses a... | 06/21/2005 |
| 6905356 | Electrical connector including thermoplastic elastomer material and associated methods An electrical connector may include a connector body having a passageway therethrough. The connector body may include a first layer adjacent the passageway, a second layer surrounding the first layer and comprising an insulative thermoplastic elastomer (TPE) materia... | 06/14/2005 |
| 6506067 | Disconnector The disconnector essentially comprises two isolating contacts (2), which are arranged in electrically conductive encapsulation (1) filled with insulating gas, and an isolating contact finger (3) arranged such that it can be moved between them. An insulati... | 01/14/2003 |
| 5525069 | Electrical Connector The electrical connector of the present invention includes an electrically conductive sleeve having a passage therethrough and an elastomeric housing molded therearound. After the molding of the housing around the sleeve, a contact element is disposed wit... | 06/11/1996 |
| 5445533 | Electrical connector The electrical connector of the present invention includes an electrically conductive sleeve having a passage therethrough and an elastomeric housing molded therearound. After the molding of the housing around the sleeve, a contact element is disposed wit... | 08/29/1995 |
| 5356303 | Automatic plug-in connecting apparatus An automatic plug-in connecting unit having small weight, capable of automatically connecting and disconnecting an electric current supply line, and satisfying the conditions for a ventilated type pressurized type explosion-protected construction or a sea... | 10/18/1994 |
| 5277605 | Electrical connector The electrical connector of the present invention includes an electrically conductive sleeve having a passage therethrough and an elastomeric housing molded therearound. After the molding of the housing around the sleeve, contact element is disposed withi... | 01/11/1994 |
| 5266041 | Loadswitching bushing connector for high power electrical systems Disclosed is an electrical bushing connector (10) designed to complete a power circuit connection to a transformer or the like typically employed in a primary power distribution system. The connector will also afford capability to switch high power electr... | 11/30/1993 |
| 5116265 | Separable connector module with improved current-carrying threaded joint This separable electrical connector module, which is movable through an operating stroke and is adapted to couple with a mating module, comprises: (a) a connector member including a copper portion containing a hole having a central longitudinal axis and i... | 05/26/1992 |
| 4904198 | Vibration-proof plug and socket A high voltage, anti-corona connector defines similar interengaging structures of varying sizes which both retain the plug in the socket and provide substantially air-tight, anti-corona seals. The plug is a unitarily formed structure fabricated of a resil... | 02/27/1990 |
| 4703234 | Charged-particle accelerator With an accelerator for accelerating an electron beam by a voltage of about 400 KV having a stability of 10-6, it is difficult to use a flexible, insulated cable to feed the output from a power supply to an electron beam and an accelerating tub... | 10/27/1987 |
| 4516823 | Loadbreak bushing and snuffer/contact assembly therefor In a gas-actuated loadbreak bushing having an axially displaceable snuffer/contact assembly, the assembly is provided with radial lockout means in the form of gas-actuated radial pistons which, when actuated in response to a fault closure, interfere with ... | 05/14/1985 |
| 4170394 | High voltage separable connector system with modified dwell position A separable electrical connector assembly includes mating rod connector and bore switch modules. The bore switch module includes a grasping bore contact member for electrically engaging with a rod contact member which is included in the rod connector modu... | 10/09/1979 |
| 4082403 | Male contact assembly for loadbreak usage A male contact assembly for high voltage switching applications includes a male contact with an electrically insulative member arranged concentrically with the contact and extending longitudinally therefrom. The insulative member has a hollow interior adj... | 04/04/1978 |
| 4082405 | Loadbreak male contact assembly A male contact assembly for high voltage switching applications includes an elongate male contact with an electrically conductive extension arranged concentrically with the contact and extending longitudinally therefrom. A layer of electrically insulative... | 04/04/1978 |
| 4067636 | Electrical separable connector with stress-graded interface A rod connector module of the type comprising an insulating housing containing a contact rod support, a receiving cone in the housing extending from the exterior toward the support, and a conductive contact rod fixed at one end to the support and extendin... | 01/10/1978 |
| 4066322 | Male contact assembly for use in loadbreak A male contact assembly for high voltage switching applications includes a male contact with an electrically insulative member arranged concentrically with the contact and extending longitudinally therefrom. The insulative member has a hollow interior adj... | 01/03/1978 |
| 3989342 | Chambered arc snuffing tube for bushing assembly A load break bushing assembly for high voltage electrical systems is disclosed. The bushing assembly is normally connected to a stationary object such as a transformer to dispose a female electrode receiving bore for reception of a terminator electrode. T... | 11/02/1976 |
| 3982812 | Power cable separable connector having gasket means for restricting the flow of arc-generated gases therefrom A high voltage electrical cable separable connector module comprises an internal gas flow-restricting gasket to restrict an undesirable flow of ionized arc-generated gases from the module upon live disconnection of the module from an electrical circuit. B... | 09/28/1976 |
| 3968373 | Device, in particular a neutron generator, having a detachable high-voltage connection A device, in particular a neutron generator, having a high voltage connection. A gap between a first and a second insulator of the said high voltage connection is filled with an insulating liquid, preferably oil. Said oil flows and preferably also serves ... | 07/06/1976 |
| 3960433 | Shielded power cable separable connector module having conducting contact rod with a beveled shoulder overlapped by insulating follower material A separable connector module for connecting shielded electrical power cable. It is of the type including an insulating housing containing a cable insert member. A male contact rod assembly, including a metal contact rod, is fixed at one end to the insert ... | 06/01/1976 |
