Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 5515235 | Electrical equipment enclosure including transfer switch and load circuit breaker assembly Proposed is an integral transfer switch and load circuit breaker assembly for use in electrical equipment enclosures. The switch and load circuit breakers are mounted to one wall of the enclosure so that the transfer switch handle is located outside the e... | 05/07/1996 |
| 5497036 | Motorcycle terminal box assembly A junction box for a motorcycle including a receptacle and a cover which form an enclosure mounted on the motorcycle, a terminal assembly mounted in the enclosure, a plurality of circuit interrupters for interrupting a circuit upon the occurrence of a fau... | 03/05/1996 |
| 5457600 | Power surge protector A power director enables a user to apply power through one or more power outlets via one or more switches to a cluster of electrical devices, for example, the components of a desk top computer system. A typical computer system may have a CPU chassis, moni... | 10/10/1995 |
| 5452175 | Construction of a panel A construction of a panel includes at least one opening defined therein, a first and a second box are respectively disposed beside the opening of the panel, each of the first and second boxes has a hole defined therein and an extending live line and an ex... | 09/19/1995 |
| 5436799 | Modular switching-element block A modular switching-element block which comprises at least one base body having plug-in locations for switching elements, such as electrical switches, and is fitted with a base body which is split into a plurality of base-body modules which can be plugged... | 07/25/1995 |
| 5406449 | Pullout type electric disconnect switch A rigid insulating shield has tabs at a lower end inserted in slots in a case and a press-in fastener at an upper end inserted within a hole in a switch base assembly for securing said shield within the case. A handle pullout has a large flange extending ... | 04/11/1995 |
| 5369548 | Tamper protector enclosure for distribution box and associated wiring A tubular body is mounted against a wall of a dwelling and surrounding a distribution box and a portion of incoming cables which terminate within the distribution box. A cover closes the tubular body and switches detect when there is an attempt to remove ... | 11/29/1994 |
| 5315475 | Electrician's free power cord A power cord for use by electricians to supply power to the construction area while normal electrical power has been disconnected. The present invention allows the electrician to draw power from severed power lines without the necessity of removing the in... | 05/24/1994 |
| 5233511 | Panelboard arrangement with improved control In a panelboard for controlling current paths through a plurality of associated circuit breakers, a panelboard enclosure includes circuit breakers which each have a side facing a front side of the enclosure and including a multi-sectioned user interface c... | 08/03/1993 |
| 5229192 | Flame-resistant cover film for flexible circuit boards A flame-resistant cover film for flexible circuit boards having excellent flame-resistance, handling, and storage qualities may be produced by treating an insulating film of a nonwoven polymer fabric with a flame-resistant, halogen-free polymeric adhesive... | 07/20/1993 |
| 5225962 | Distribution board with rear electrical access The present invention relates to a distribution board for electrical power which provides rear electrical access to connect busbars and switch modules together. The distribution board includes a framework for supporting electrical components, a switch com... | 07/06/1993 |
| 5225963 | Electric switch locking plate device The invention comprises a locking plate device for attachment to opposite sides of a electrical breaker switch to prevent accidental movement of the breaker switch from an "Off" to an "On" position. The plate device has a U shaped metal plate with paralle... | 07/06/1993 |
| 5212624 | Interlock mechanism for explosion-proof fixture having circuit breaker switch An interlock mechanism operably associated with the plug receptacle of an explosion-proof housing whereby a plug may be inserted into or removed from the receptacle only when electrical current is not delivered to the receptacle. The interlock mechanism c... | 05/18/1993 |
| 5204798 | Metering accessory for molded case circuit breakers A rating plug-metering accessory for molded case circuit breakers of the type employing an electronic trip unit is in the form of a rating plug enclosure that is optionally installed in the circuit breaker cover. Besides setting the ampere rating of the e... | 04/20/1993 |
| 5136463 | Universal enclosure with electrical panel Apparatus for housing outside plant equipment in order to protect the equipment from the possibly harmful effects of weather and an external environment comprises a universal enclosure encompassing the outside plant equipment and having an interior and an... | 08/04/1992 |
| 5134541 | Distribution station for water and/or gas and/or fuel and/or electricity and/or any other fluid The invention relates to a distribution station for water and/or gas and/or fuel and/or electricity and/or any other fluid, particularly for parking areas. This station is notable in that it comprises an anti-vandalism enclosure (23) sheltering at least a... | 07/28/1992 |
| 5109316 | Multiple outlet receptacle with circuit breaker and continuity switch mechanisms A multiple outlet receptacle has a molded insulating body which includes multiple groups of internal contact elements disposed in the body and defining multiple electrical outlets adapted for receiving multiple outlet plugs. The receptacle also has a circ... | 04/28/1992 |
| 4958256 | Flame-proof electric device The flame-proof electric device includes a flame-proof partition separating a flame-proof lead-in chamber for the current conductors and power supply cable and a flame-proof component chamber. The flame-proof partition has mounted thereon an interlocking ... | 09/18/1990 |
| 4924349 | Face plate assembly for electrical devices A wallbox-mountable face plate assembly includes a support plate for the control device, an intermediate plate that attaches to the support plate, and a face plate that snaps onto the intermediate plate. The face plate has a particularly simple constructi... | 05/08/1990 |
| 4912599 | Bus-to-plug interlock A plug-in apparatus for use with an electrical busway containing a plurality of bus bars includes an enclosure with an electrical accessory disposed therein. A plurality of plug-in jaws are connected to the electrical accessory and extend through a rear w... | 03/27/1990 |
| 4851963 | Weatherproof air conditioning disconnect switch A weather-tight air conditioning disconnect switch has both plastic and metal enclosure components for low cost assembly. The exterior components include a metal case and cover whereas the interior non-electrical components are plastic-molded. One such mo... | 07/25/1989 |
| 4755909 | Fused disconnect switch with non-metallic enclosure A fused disconnect switch is contained within a molded plastic cover pivotally attached to a molded plastic case. The switch contact blade is directly attached to the cover whereby movement of the cover in one direction slidingly connects the switch conta... | 07/05/1988 |
| 4751485 | Waterproof switch assembly for electrical appliances A dual compartment magnetic switch interposed between a hand held electrical appliance and its electrical power input. The magnetic switch enables electrical power to be totally insulated from the electrical components within the appliance so that when th... | 06/14/1988 |
| 4712157 | Stud mounted non-metallic electric enclosure A molded plastic load center enclosure allows the circuit breakers contained therein to be compactly aligned on one side of the enclosure. Depressions formed within the bottom of the interior surface of the enclosure produce bosses extending from the exte... | 12/08/1987 |
| 4698727 | Compact non-metallic load center enclosure A molded plastic load center enclosure allows the circuit breakers contained therein to be compactly aligned on one side of the enclosure. The insulative properties of the plastic allows the circuit breaker branch straps to be mounted on the bottom and si... | 10/06/1987 |
| 4507526 | Module unit time switch disk assembly Time switch is arranged on a plug-in unit for a system housing containing various side-by-side unit components. The time switch includes a rotatable timing disk disposed for rotation about a lateral axis longitudinal of the housing and having a circumfere... | 03/26/1985 |
| 4413307 | Bus bar extensions to outside of busway for external connections Vertical bus bars conducting high amperage electric current extend inside a bus way in tall buildings, and feeder connections are on each floor to a local circuit. The improvement is that the feeder connections are entirely outside the bus way. Each feede... | 11/01/1983 |
| 4394706 | Power converter for recreational vehicles A power converter for recreational vehicles comprises a two-part housing construction having the ends of the electrical components of the converter telescopically received in aligned sockets formed in each of the mating housing members, whereby the electr... | 07/19/1983 |
| 4390926 | Portable switching unit A switching apparatus contained inside box B consists of standard electrical units, and arranged in a way which is particularly advantageous for the purpose at hand. One of these units is a circuit breaker box containing two interruptible circuits, and ha... | 06/28/1983 |
| 4383286 | Cooling and power input assembly A cooling and electrical control assembly is provided for an electrical equipment such as a computer which is normally provided with venting slots for the dissipation of heat by the normal flow of ambient air. The ventilation slots on certain computers, s... | 05/10/1983 |
| 4266266 | Electrical fixture intended primarily for outdoor use and designed to protect an electrical device housed therein from the elements The electrical fixture provides a simple, fail-safe, electrical casing, and electrical service outlet, that may be used out-of-doors by consumers to power outdoor electrical appliances. It contains no doors, gaskets, springs, counter-weights or moveable p... | 05/05/1981 |
| 4180846 | Vertical bus bars for motor control center Vertical bus bars for motor control centers characterized by elongated metal conductors having a Zee-shape cross section for use in an upright cabinet type of motor control center in which electrical connection is made by plugging apparatus onto the bus b... | 12/25/1979 |
| 4063110 | Security device A portable security device comprised of a sturdy, lockable enclosure housing a standard electrical outlet. The electrical outlet is secured within the enclosure, and the power supply to the outlet is capable of being interrupted by the action of a keylock... | 12/13/1977 |
| 4017771 | Safeguarded switching device The device safeguards switches and other electrical components controlling an electric motor, such as the motor of a blowing device for air bubbling mats in bathtubs. A casing of dielectric material is arranged to enclose an electric motor, and has a rece... | 04/12/1977 |
| 4013929 | Multiple duty components of a ground fault receptacle An electric receptacle for ordinary household or trade size junction boxes having a complete ground fault circuit interrupter incorporated in the receptacle, including electronic components to detect a ground fault on the load side of such receptacle, and... | 03/22/1977 |
| 3980932 | Electrical service center with panel-mounted circuit connectors An electrical connector device comprising one or more conductive metal connector elements and a two part insulator block having one or more parallel, longitudinal passages to accommodate therein the connector elements. Each connector has crimping ears on ... | 09/14/1976 |
| 3949276 | Plug-in type relay A relay of rather flat construction has contacts arranged along its narrow sides and is received in a circumscribing frame of the same or smaller height with downwardly projecting terminals extending from contact springs which make contact with the relay ... | 04/06/1976 |
