Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8268199 | Electrical devices and dielectric fluids containing estolide base oils Provided herein are dielectric fluids comprising at least one estolide compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for e... | 09/18/2012 |
| 8187508 | Base agent for electrical insulating oil Disclosed is a base agent for electrical insulating oils, which mainly contains an esterified product of glycerin and a linear or branched, saturated or unsaturated fatty acid having 6-14, preferably 8-12 carbon atoms. This base agent for electrical insulating oils ... | 05/29/2012 |
| 7833440 | High performance dielectric oil and the use thereof in high voltage electrical equipment The invention relates to a high-performance dielectric oil comprising approximately 75 to 95% by volume of a naphthenic oil and approximately 5 to 25% by volume of an ester oil, in particular a synthetic ester oil and more preferably an oil of the family of polyoles... | 11/16/2010 |
| 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 |
| 7048875 | 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; and having ... | 05/23/2006 |
| 6994799 | Ester-containing fluid compositions Disclosed are ester-containing fluid compositions, methods of making such compositions, and methods of using such compositions. The fluid compositions comprise a mix of branched and linear ester compounds, and the fluid compositions are characterized by certain perf... | 02/07/2006 |
| 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 |
| 6726857 | Dielectric fluid having defined chemical composition for use in electrical apparatus 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 present inventi... | 04/27/2004 |
| 6645404 | 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; ... | 11/11/2003 |
| 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 |
| 6495071 | Method of using electro-sensitive movable fluids Provided is a method for creating fluid motion of an electro-sensitive movable fluid upon application of direct-current-voltage between two electrodes adjacent the fluid, the fluid having a conductivity ς, and a viscosity η located inside a triangle in ... | 12/17/2002 |
| 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 |
| 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 |
| 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 |
| 6274067 | High oleic acid oil compositions and methods of making 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; ... | 08/14/2001 |
| 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 |
| 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 |
| 6177031 | Thixotropic dielectric fluid for capacitors A thixotropic dielectric fluid that includes vegetable oil, transformer oil, and a clay material. The thixotropic dielectric fluid is particularly suited for use in a capacitor.... | 01/23/2001 |
| 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 |
| 6048474 | Dielectric fluid for the machining of metal by means of spark erosion A dielectric fluid for the machining of metal by spark erosion which contains saturated aliphatic hydrocarbons with a proportion of aromatic hydrocarbons which is lower than one percent in weight and to which an additive is added, wherein organic substanc... | 04/11/2000 |
| 6030544 | Electro-sensitive movable fluids, methods of using the same and motors for the electro-sensitive movable fluids Provided is an electro-sensitive movable fluid composition which is comprised of a compound or a mixture of compounds which, at the working temperature of the fluid, has a conductivity ς, plotted as abscissa, and a viscosity η, plotted as ordinate, the ... | 02/29/2000 |
| 5958851 | 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... | 09/28/1999 |
| 5949017 | Electrical transformers containing electrical insulation fluids comprising high oleic acid oil compositions 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; ... | 09/07/1999 |
| 5871673 | Uninflammable insulating liquid An uninflammable insulating liquid is obtained by adding an emulsifying agent having a volume ratio of 1 to 3% to an insulating liquid containing a fluorocarbon liquid of at least 25% in a volume ratio to cause emulsification. In this liquid mixture, when... | 02/16/1999 |
| 5851968 | Increasing the electrical resistivity of ester lubricants, especially for use with hydrofluorocarbon refrigerants The electrical resistivity of hindered polyol ester lubricants can be raised to very high levels by treating the lubricants with activated alumina, preferably after the acid values of the lubricants treated have already been reduced to low levels by conve... | 12/22/1998 |
| 5800731 | Homogeneous electroviscous fluids using aluminum compounds Homogeneous, electro-viscous fluids are provided which contain aluminum soaps based on products obtained by reacting one or more mono- or polycarboxylic acid(s) or the anhydrides or semi-esters thereof with reactive aluminum compounds, such as aluminum al... | 09/01/1998 |
| 5672298 | Electro-sensitive composition An electro-sensitive composition comprising a fluorine compound having a predetermined structure, and an electrically insulating medium capable of dissolving this fluorine compound when a voltage is applied thereto, is disclosed. This electro-sensitive co... | 09/30/1997 |
| 5580265 | Sealant compositions and sealed electrical connectors Disclosed are sealant compositions having excellent slump and spew resistant, even at relatively high operating temperatures for electrical connectors. The sealants, which are flowable at such elevated temperatures, comprise two essential components: elas... | 12/03/1996 |
| 5510058 | Electro-sensitive composition An electro-sensitive composition comprising a fluorine compound having a predetermined structure, and an electrically insulating medium capable of dissolving this fluorine compound when a voltage is applied thereto, is disclosed. This electro-sensitive co... | 04/23/1996 |
| 5332529 | Electric discharge machine process and fluid An electric discharge machine fluid has been discovered. The fluid comprises a naphthene oil and 0.15 to 0.50 wt % 1,6-hexamethylene bis(3,5-ditertiarybutyl-4-hydroxycinnamate). The fluid was found to increase the breakdown voltage of the fluid and to sta... | 07/26/1994 |
| 5252240 | Electrorheological fluids including alkyl benzoates Disclosed are electrorheological fluids including vermiculite treated with an amine salt, methods of making the same, propylene carbonate adsorbed on the solid phase, butyl benzoate added for the liquid phase, and methods of using frequency response of el... | 10/12/1993 |
| 5244742 | Ultrahigh-purity ferroelectric thin film Disclosed herein is an ultrahigh-purity ferroelectric thin film of Pb-containing ferroelectric represented by the formula Pb1-x Lax (Zry Ti1-y)1-x/4 O3 (where Y is 0 or 1 or a decimal small... | 09/14/1993 |
| 5186863 | High dielectric solvent A non-toxic chlorine and fluorine free solvent having high dielectric strength and thus being useful for cleaning electrical and electronic equipment.... | 02/16/1993 |
| 5159527 | Dielectric liquids A dielectric liquid is provided comprising (a) a fluorinated, inert liquid, or a mixture of fluorinated, inert liquids and (b) a fluorine-containing, nonionic sulfonate ester or sulfonamide, such that the dielectric liquid has a dielectric constant interm... | 10/27/1992 |
| 5081333 | Electric discharge machining fluid with a fatty acid amide additive for rust inhibition Rust inhibitors for electrical discharge machining solutions. Each preventive is composed of a fatty acid amide which has been obtained by dehydrating and condensing at least one fatty acid and at least one alkanolamine.... | 01/14/1992 |
| 5069820 | Thermally stable forms of electrically conductive polyaniline This invention relates to compositions of thermally stable electrically conductive substituted and unsubstituted polyanilines and to conductive articles formed from such compositions.... | 12/03/1991 |
| 5014033 | Dielectric liquid compositions containing hydroxybenzaldehyde Novel dielectrically improved liquid compositions include at least one electrical insulating oil (A), e.g., benzyltoluene or oligomers thereof, and at least one aldehyde (B) containing at least six carbon atoms, or a functionally substituted such aldehyde... | 05/07/1991 |
