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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5206616 | Switching device for the interruption of fault currents A switching device for the interruption of a fault current includes a housing having first and second electrical connectors for connection in the path of an electrical conductor carrying a single current phase. A vacuum switching chamber is disposed in th... | 04/27/1993 |
| 5191516 | Switch support An arrangement is provided for supporting a power switch on a wall of a switch drive housing. A power switch having an axial direction and including connecting members for connection to external electrical conductors is disposed in a switch chamber formed... | 03/02/1993 |
| 5099093 | Vacuum switching chamber A vacuum switch which includes two identical facing switch contacts equipped with a cup shaped coil body that is provided with annular contact elements covering the open end of the cup shaped coil body. In order to form turn conductors, the coil body is p... | 03/24/1992 |
| 5070428 | Encapsulated switching system with longitudinal coupling of bus bars, inner partitions, and coupling fields An encapsulated and partitioned switching system employing compressed gas insulation. For each bus bar system (I, II, III) there is provided a coupling field (KFI, KFII, KFIII) in which are installed a first bus bar end section (6I, 6II | 12/03/1991 |
| 5055639 | Contact arrangement for a vacuum switch A contact arrangement for a vacuum switch having a switch axis along which switch contacts move. Two identically configured switch contacts are relatively movable opposite to one another along the switch axis. Each switch contact includes: a contact pin f... | 10/08/1991 |
| 4983793 | Switch chamber for a vacuum switch A switch chamber for a vacuum switch including a housing having at least one insulating tube with an end face and an axial axis. A contact pin having an exterior surface is arranged for supporting the switch chamber. A stationary contact is held by the co... | 01/08/1991 |
| 4975552 | Vacuum switch A vacuum switch which has a housing for a vacuum chamber. The housing includes a metal cylinder and an insulating cylinder axially aligned and hermetically sealed at adjacent ends, and closed at opposite ends by end walls. A stationary electrode and a mov... | 12/04/1990 |
| 4962289 | Switch chamber for a vacuum switch A switch chamber for a vacuum switch including a housing composed of a ceramic insulating tube, a contact pin mounting a stationary contact within the housing and a terminating cover connecting the insulating tube with the contact pin in a vacuum-tight ma... | 10/09/1990 |
| 4950979 | Insulating member, functioning as a voltage divider in a high voltage system An insulating member which functions as a voltage divider in a high voltage system. The insulating member includes an insulating body having a head section and a base section. The insulating body is made of plastic containing conductive fillers to reduce ... | 08/21/1990 |
| 4814559 | Electrical switching device for high switching voltages An electrical switching device for switching high voltages in a network having a defined rated voltage. The device includes a series connection of at least first and second current interrupters having control elements across which a load voltage is distri... | 03/21/1989 |
| 4806715 | Tensioning device for the driving spring of an energy store for electrical switches Tensioning device for a driving spring of an energy store for an electrical switch, the device including: a drive shaft carrying a crank articulated to the driving spring; a rotatable tensioning shaft; mechanism connected for rotating the tensioning shaft... | 02/21/1989 |
| 4791520 | Fault protection for a medium voltage transformer branch A fault protection system for a power circuit composed of a main current path and a plurality of parallel branch paths connected in series with the main current path and each containing a winding of a medium voltage transformer, which system includes: fir... | 12/13/1988 |
