Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8309845 | Double-wing pad-mounted transformer tank An oil-filled, pad-mounted tank for electrical distribution transformers, where the tank includes a front panel, a rear panel, a pair of side panels, a top panel, and a bottom panel that are joined to form an enclosed volume for receiving a transformer core and wind... | 11/13/2012 |
| 8232473 | Tank assembly for 1 phase padmount transformer that prevents pad openings A tank, mountable to an opening formed within a mounting pad, includes a front plate, at least one sidewall panel, a pedestal base, and a cover. The at least one sidewall panel is coupled to the front plate to form the tank sides. The pedestal base is coupled to the... | 07/31/2012 |
| 7923630 | Sealed and cooled enclosure with voltage isolation An enclosure (4) for electrical apparatus (6) has a sealable outlet (8) for partially evacuating the enclosure and a sealable inlet (9)for partially filling the enclosure with a liquid (7) having a vapor pressure at operating tempe... | 04/12/2011 |
| 7358006 | Electromagnetic pulse protected fuel cell power system A fuel cell power system is protected from electromagnetic pulse energy damage through the use of a protective enclosure. In addition, electrical lines entering or exiting the system contain voltage or current spike suppression devices sufficient to prevent damage t... | 04/15/2008 |
| 7316793 | Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser, obtained from the combination of by-products with mineral origin, whose formulation shall vary to meet different characteristics, becoming an electrical insulator, an... | 01/08/2008 |
| 7294007 | Electronics enclosure and method of fabricating an electronics enclosure A device for enclosing electronics and providing an electrical connection to the enclosed electronics is provided. The device includes a housing having alignment and barrier features, and a circuit board having alignment features and plated through-holes. The circui... | 11/13/2007 |
| 7210594 | Transport and storage container for liquids A transport and storage container for liquids has a support frame of electrically conducting metal or plastic material. An inner plastic container is positioned on the support frame and has an electrically conducting exterior layer for electrically grounding the out... | 05/01/2007 |
| 7159718 | Electrostatic charge-free container Container for the storage and/or transportation of liquids or powders, in particular inflammables, suitable for preventing the formation of electrostatic charge, comprising a tank supported by a pallet, housed in a metallic cage and having an outer surface in contac... | 01/09/2007 |
| 7042695 | Plastic container with electric dissipation capability The invention relates to a multi-layer plastic container (10) for the storage and transport of materials in particular with an explosion risk, comprising at least two layers of plastic, whereby the inner layer (14) is not electrically conducting and th... | 05/09/2006 |
| 6914195 | Distribution transformer An oil-filled pole-mounted distribution transformer comprises a tank housing a transformer core-coil assembly immersed in cooling oil. The tank is made of a corrosion-proof composite material and a radiator is provided for cooling the oil. The radiator is external t... | 07/05/2005 |
| 6905638 | Vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a ... | 06/14/2005 |
| 6885556 | Electronic apparatus An electronic apparatus includes a case mounting a semiconductor element within an inside thereof, a heat-receiving member thermally connected with the semiconductor element, a heat-radiation member disposed on an inner side surface of the casing, and a liquid drive... | 04/26/2005 |
| 6793844 | Heat absorbing temperature control devices and method The increase of temperature of heat sensitive devices during heat generating conditions is prevented through the absorption of heat, by providing boric acid in an amount sufficient to effect the required heat absorption. Where the heat generating conditions are gene... | 09/21/2004 |
| 6791033 | High-voltage insulation system The present invention relates to a high-voltage insulation system which is suitable for low temperatures and which, in addition to a cooling liquid (3) comprises a solid material insulator (2) based on a cellulose fabric (20). The solid material... | 09/14/2004 |
| 6780345 | Heat absorbing temperature control devices and method The increase of temperature of heat sensitive devices during heat generating conditions is prevented through the absorption of heat, by providing a bicarbonate salt, such as lithium bicarbonate, sodium bicarbonate, potassium bicarbonate, magnesium bicarbonate, calci... | 08/24/2004 |
| 6773623 | Heat absorbing temperature control devices and method The increase of temperature in heat sensitive devices during heat generating conditions is prevented through the absorption of heat, by providing Aldehyde in an amount sufficient to effect the required heat absorption. Where the heat generating conditions are genera... | 08/10/2004 |
| 6757169 | Electronic apparatus In an electronic equipment or apparatus, having water-cooling structure able to circulate/supply a cooling liquid with stability, for dealing with an increase of heat-generation of a heat-generating element, accompanying with an increase of processing performances, ... | 06/29/2004 |
| 6711811 | Method to assemble a uniform force hydrostatic bolster plate A method and apparatus to mount a uniform force hydrostatic bolster plate to a substrate. One embodiment of the invention involves a method to assemble a uniform force hydrostatic bolster plate on a substrate. ... | 03/30/2004 |
| 6673260 | Heat absorbing temperature control devices and method The increase of temperature in heat sensitive devices during heat generating conditions is prevented through the absorption of heat, by providing Carbonate Salts in an amount sufficient to effect the required heat absorption. Where the heat generating con... | 01/06/2004 |
| 6652770 | Heat absorbing temperature control devices and method The increase of temperature in heat sensitive devices during heat generating conditions is prevented through the absorption of heat, by providing Organic Acids in an amount sufficient to effect the required heat absorption. Where the heat generating condi... | 11/25/2003 |
| 6613250 | Vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that inc... | 09/02/2003 |
| 6485659 | Electrical apparatus with dielectric fluid blend of polyalphaolefins and polyol esters or triglycerides The present invention comprises a mixture of hydrocarbons having a well-defined chemical composition that is suitable for use as a dielectric coolant in electrical equipment in general, and specifically in transformers. The dielectric coolants of the pres... | 11/26/2002 |
| 6452109 | Bushing for high electrical voltage A bushing for a high electric voltage has a casing through which a central conductor is passed so that it is electrically insulated. Conducting liners spaced a distance apart are arranged concentrically around the central conductor, a combination which fu... | 09/17/2002 |
| 6438250 | Method for making a conductor, or electric circuit balanced in radioelectric interference such as micro-discharge and corresponding conductor or circuit The invention relates to a manufacturing process of an electrical conductor or circuit compensated for radio interferences, including those from the electrical circuit itself. An application of a semi-conductor material (2) of resistivity coefficient allo... | 08/20/2002 |
| 6398986 | Food grade vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that inc... | 06/04/2002 |
| 6372983 | Enclosure for electrical components installed in locations where a flammable gas or vapor is expected to be present The present invention provides an electrical component enclosure for installation in a location where a flammable gas or vapor is expected to be present. The electrical component enclosure incorporates a catalyst for inducing a reaction to convert a flamm... | 04/16/2002 |
| 6352655 | Vegetable oil based dielectric fluid A dielectric fluid system for use in electrical equipment comprising a dielectric fluid comprising vegetable oil and an oxidation reducing composition encased in a housing composed of a polymeric material that is substantially permeable to oxygen. The oxi... | 03/05/2002 |
| 6340658 | Vegetable-based transformer oil and transmission line fluid A vegetable oil-based electrically-insulating fluid. This fluid is environmentally-friendly and has a high flash point and a high fire point. The base oil is hydrogenated to produce maximum possible stability of the oil, or alternatively, is a higher olei... | 01/22/2002 |
| 6312623 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; ... | 11/06/2001 |
| 6280659 | Vegetable seed oil insulating fluid A unique, fire resistant, environmentally safe insulating oil comprised of selected vegetable oils, fortified with additives to improve stability and low temperature viscosity characteristics. The electrical equipment comprises an oil-sealed tank, the ins... | 08/28/2001 |
| 6271463 | Use of expandable epoxy systems for barrier materials in high voltage liquid-filled transformers The present invention relates to a high voltage liquid-filled transformer including a housing and a dielectric liquid impregnated barrier material within the housing. The barrier material is prepared from an expandable epoxy resin formulation comprising: ... | 08/07/2001 |
| 6265654 | Hydraulic support cell assembly The invention relates to a thermal compensation device having a thermal compensation cell for a hydraulic support cell that has a working chamber and a compensation chamber. According to the invention, each of the chambers of the support cell is connected... | 07/24/2001 |
| 6245726 | Soybean based transformer oil and transmission line fluid A soybean oil based electrically insulating fluid with a high flash point and a high fire point. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crystallized fats and improve the pour ... | 06/12/2001 |
| 6207892 | System and method for sealing high density electronic circuits A method and system for extending the life cycle of an circuit including the positioning of a circuit on an an elevated pedestal in a container, filling the container with a hydrophobic fluid sufficiently to form a bubble at the top of the package, and se... | 03/27/2001 |
| 6207626 | Soybean based transformer oil and transmission line fluid An environmentally prefered biobased soybean oil based electrically insulating fluid with a high flash point and a high fire point. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crys... | 03/27/2001 |
| 6184459 | Vegetable oil based dielectric coolant A transformer is disclosed, including a tank housing a transformer core/coil assembly, a dielectric insulating fluid surrounding the core/coil assembly, the fluid comprising a vegetable oil, an antioxidant dissolved in the oil, and a low temperature addit... | 02/06/2001 |
| 6159913 | Soybean based transformer oil and transmission line fluid A biodegradable soybean oil based electrically insulating fluid. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crystallized fats and improve the pour point of the base oil without th... | 12/12/2000 |
| 6156970 | Casing for housing electrical and/or electronic components A casing (1) for housing electrical and/or electronic components (6) surrounded by a cooling medium (10), the said casing consisting of a frame (2) and an upper and a lower closing-wall part (3, 4), is constructed in such a way that the frame (2) and/or o... | 12/05/2000 |
| 6156969 | Transport and storage container for liquids A transport and storage container for liquids with a pallet-like underframe of an electrically conductive material, an exchangeable inner container of synthetic material with four side walls, a bottom wall and a top wall, a closable inlet opening at the t... | 12/05/2000 |
| 6137674 | High-voltage power supply unit particularly for x-ray sources A high-voltage power supply unit having electrical components encased in insulating casings which are biodegradable. The insulating casings comprise several superimposed layers, joined together, of sheets of paper, the number of layers being chosen in ord... | 10/24/2000 |
