William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7435909 | Low cost, high performance flexible reinforcement for communications cable A low cost, high performance flexible reinforcement member that can be used for both optical and copper communications cable. The reinforcement members made according to the preferred process are more rigid than known reinforcement members, but are less rigid than g... | 10/14/2008 |
| 7427712 | Apparatus and method to prevent loss of conductive ground electrode High voltage coils (40) having an insulated coil surface that includes a composite tape (32) bonded to a secondary conductive layer (34) in a half lap manner. The composite layer comprising a glass conductive tape bonded to a layer of mica paper... | 09/23/2008 |
| 7378595 | Fully safely operating fire resistant electric cable A fire resistant electric cable having a plurality of electrically conductive wires, each having a layer having a glass fiber strip with a mica layer glued thereon, the mica layer being coated by at least a glass thread braid reinforcing layer. ... | 05/27/2008 |
| 7268293 | Surface coating of lapped insulation tape An electrically insulated object 13 with a heat conduit at the interface between the layers of insulating tape 16. The tape 16 has been, surface coated with a high thermal conductivity (HTC) material, so that the interface between the layers of ... | 09/11/2007 |
| 7220917 | Electrical wire and method of making an electrical wire An electrical wire has a conductor and a covering. The covering includes a thermoplastic composition having a poly(arylene ether), a polyolefin and a polymeric compatibilizer. The thermoplastic composition may further have a flame retardant. ... | 05/22/2007 |
| 7220916 | Electric heating cable or tape having insulating sheaths that are arranged in a layered structure An electric heating cable or an electric heating tape having insulating sheaths of polytetrafluoroethylene (PTFE) being arranged in a layered structure is provided. At least one of the PTFE sheaths is protected by at least one adjacent insulating layer of a melt pro... | 05/22/2007 |
| 7217885 | Covering for conductors The covering for used with a conductor having a thermoplastic composition. The thermoplastic composition has a poly(arylene ether), a polyolefin and a polymeric compatibilizer. The thermoplastic composition may further have a flame retardant. ... | 05/15/2007 |
| 7217886 | Abrasion resistant electrical wire An electrical wire having a conductor and a covering disposed over the conductor wherein the covering has a thermoplastic composition. The thermoplastic composition has a poly(arylene ether); a polyolefin, a block copolymer; and flame retardant. ... | 05/15/2007 |
| 7145082 | Flexible electrical line A flexible electric line with at least one electrical conductor is provided having a high tensile, nonmetallic element and a plurality of highly conductive metal wires arranged around it. The flexible electric line has a high tensile element that is a loose composit... | 12/05/2006 |
| 7129415 | Non-lead jacket for non-metallic sheathed electrical cable A non metallic (NM) jacket has from about 40% to about 50% by weight of a polyvinyl chloride resin; from about 20% to about 35% by weight of a filler; from about 0.1% to about 0.5% by weight of an unsaturated primary amide derived from erucic acid; from about 20% to... | 10/31/2006 |
| 7125604 | Insulated magnet wire A novel polymer coated magnet wire that includes an insulating polymeric coating on only one facet thereof. Such a magnet wire can be conventionally wound using current transformer manufacturing processes but can be produced at significantly lower cost due to the al... | 10/24/2006 |
| 7084347 | Abrasion resistant electrical wire An electrical wire having a conductor and a covering disposed over the conductor wherein the covering has a thermoplastic composition. The thermoplastic composition having a poly(arylene ether); a polyolefin; a block copolymer; and flame retardant. ... | 08/01/2006 |
| 7002072 | High voltage, high temperature wire An insulated conducting wire (ICW) having an inorganic cladding and a microwire positioned within the cladding. The outer diameter of the microwire is less then the inner diameter of the cladding, and the insulated conducting wire is substantially free of bonding be... | 02/21/2006 |
| 6846536 | Laser-markable sheathing The laser-markable sheathing comprises a carbon-blacked inner PE layer with a soot proportion of 2.5±0.5% by weight and an outer PE layer 0.05 to 0.2 mm thick. The outer PE layer completely absorbs the laser radiation (λ=532 nm) used for the marking, and the inner... | 01/25/2005 |
| 6844526 | Method and apparatus for pre-heating the conductor elements of cables with extruded insulators, in particular conductors with metal tape reinforcements A method and apparatus for preheating the conductor elements of cables with extruded insulator essentially by forced thermal convection. Particularly for conductors with metal tape reinforcement, such as for example Milliken conductors, where it has been found that ... | 01/18/2005 |
| 6803517 | Cable with fire-resistant, moisture-resistant coating The disclsoure describes an electric conductor having a coating layer with the property of strippability so that it can be stripped from the electric conductor, and a method for controlling the strippability of the coating layer from the electric conductor, with the... | 10/12/2004 |
| 6781063 | Multi-layer insulation system for electrical conductors A multi-layer insulation system for electrical conductors, an insulated electrical conductor, a process for preparing an insulated conductor, and an insulated conductor prepared by such a process are provided. The insulated electrical conductors are lightweight, qua... | 08/24/2004 |
| 6677535 | Electrical cable An electrical wire or cable has a metallic conductor surrounded by at least one layer of polyimide winding tape. Over the insulator is at least one layer of polytetrafluoroethylene winding tape having a planoconvex cross section. The outermost layer of th... | 01/13/2004 |
| 6563054 | Composite cable with a synthetic core for lifting or traction The invention includes a composite cable having a plurality of strands (10, 12) stranded around a composite synthetic core (5) with a concentric structure. The core (5) has a nucleus (11) formed by a bundle of parallel synthetic fibers extending along the... | 05/13/2003 |
| 6534717 | Self-lubricating enameled wire A enameled wire having 100 parts by weight of a polyamide-imide resin, 1 to 5 parts by weight of a lubricant, 1 to 200 parts by weight of a masking agent-stabilized isocyanate, and 1 to 30 parts by weight of a silane coupling agent are dissolved or disper... | 03/18/2003 |
| 6504102 | Insulating material, windings using same, and a manufacturing method thereof In order to provide windings for electrical rotating machines having an insulating film superior in electrical characteristics, a high heat conductive insulating film 11 is formed at outer periphery of wound conductor 10 using a high heat conductive insul... | 01/07/2003 |
| 6359230 | Automotive-wire insulation The invention pertains to multi-layer polymeric formulations for protecting or insulating metallic objects, and, more particularly, to an integrated, tri-layer, thin-wall insulation composite, for use in a high temperature, automotive-wire article. The tr... | 03/19/2002 |
| 6339189 | Cable with fire-resistant, moisture-resistant coating The disclosure sets out a fire-retardant electrical cable including a metal conductor and at least a double layer polymer coating disposed to surround the metal conductor. The double layer coating defines an inner and an outer layer wherein the inner laye... | 01/15/2002 |
| 6245426 | Electric device with a porous conductor insulation impregnated with a dielectric fluid exhibiting a rheologic transition point An electric device comprising a conductor and a porous conductor insulation impregnated with a dielectric fluid. Where the dielectric fluid comprises; a polymer; and a hydrocarbon-based fluid. The dielectric fluid being composed such that a part of the polymer ... | 06/12/2001 |
| 6188026 | Pre-lubricated cable and method of manufacture An energy transmission cable is provided with a lubricating coating layer upon its outer covering, such as an outer jacket or outer insulation of the cable, is permanent on the outer covering, provides for a coefficient of friction between the cable and a... | 02/13/2001 |
| 6127632 | Non-metallic armor for electrical cable A multiconductor electrical cable, for use in a subterranean wellbore, having which a plurality of electrical conductors, a jacket of insulation material, and a non-metallic armor. The non-metallic armor comprises one or more layers of extruded materials ... | 10/03/2000 |
| 6054028 | Ignition cables Ignition cables which contain a layer of a melt-extruded conductive polymer. The conductive polymer is preferably the sole current-carrying component of the cable. The polymeric component in the conductive polymer is a fluoropolymer, preferably a vinylide... | 04/25/2000 |
| 6023025 | Electric wire and manufacturing method thereof An electric wire in which a carbon film having abrasion resistance and lubricity is formed on the outer surface of an insulation cover made from at least one kind of material selected from rubber and resin, and covering an electric wire body, and a manufa... | 02/08/2000 |
| 5996219 | Method for embedding electric or optical components in high-temperature metals This invention relates to a method of embedding electric components or optical components, such as sensors, in a high-temperature metal and the embedded products produced by the method. In the preferred embodiment the components are embedded on a substrat... | 12/07/1999 |
| 5993924 | Coating of metal surfaces, its application to tubes and to cables The invention relates to a coated metal surface including successively, starting at the metal, at least one layer of polyurethane and at least one layer of thermoplastic polymer, it being possible for a binder to be placed between the polyurethane and the... | 11/30/1999 |
| 5989702 | Sandwich insulation for increased corona resistance A sandwich type insulation for electrical machinery comprising a laminate of a polymeric material such as polyimide which contains particles of an inorganic corona resistant material, said polymeric material being bonded to mica paper consisting of mica, ... | 11/23/1999 |
| 5850055 | High voltage cable Electrical cable for high and very high voltages includes a plurality of conductors, at least one semiconductive layer, a stratified insulation impregnated with an insulating fluid and an external metal sheath. The insulation is constituted by a paper/pol... | 12/15/1998 |
| 5817982 | Nonlinear dielectric/glass insulated electrical cable and method for making A cable (100, 120) for transmitting electrical energy is constructed with a layer (104) of insulating and shielding material made up of pre-impregnated strands, for example glass strands (105), carrying a nonlinear dielectric material concentrically forme... | 10/06/1998 |
| 5733402 | Method for producing electrically insulated coils In the production of electrically insulated coils which make up insulating layers, insulating material is wound around an electric conductor to form an insulating substrate, then impregnating varnish consisting of thermosetting resin is applied to the ins... | 03/31/1998 |
| 5607793 | Flexible welding board for battery pack A flexible welding board for a battery pack, which is a polyester film or polymer with prepunched holes and a laminated nickel allow or other metal or metal material. The polyester film with a suitable polymer adhesive or other adhesive includes a laminat... | 03/04/1997 |
| 5562957 | Multilayer fire protective coating A fire safety coating, particularly intended for application to hydrocarbon-conducting steel pipes (1) in the splash zone underneath oil plants at sea, consists of at least three layers, where the outer layer (5) is a mechanical protecting layer of rubber... | 10/08/1996 |
| 5464949 | Heat resistant resin compositions, articles and method Low viscosity, solventless, thermosetting resin compositions of bismaleimide resin composition and epoxy resins have unique heat stability and special utility as insulation for electric conductors to be used in the 200°-250° C. temperature range.... | 11/07/1995 |
| 5436409 | Electrical conductor member such as a wire with an inorganic insulating coating An insulated electrical conductor wire has a conductor core containing Ni or Ni alloy at least in its outer surface, an oxide layer of Ni or Ni alloy formed by oxidation treatment of the outer surface of the conductor, and an insulating inorganic compound... | 07/25/1995 |
| 5347249 | Magnet wire and electromagnetic relay using the same A polyurethane magnet wire comprising a conductor having provided thereon a polyurethane insulation coating, wherein the total amount of the phenolic compounds contained in organic compounds which evaporate from said coating by heating at 280° C. for 2 m... | 09/13/1994 |
| 5329605 | Undersea armored cable A waterproofed, insulated conductor or cable and a method of fabricating the same using a new slushing compound is described. The waterproofed insulated conductor or cable includes a core with at least one conductor element, a polymeric insulation jacket,... | 07/12/1994 |