...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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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 |
| 7271341 | Cable components of silicone comprising glass fibers Cable components of silicone elastomer contain glass fibers having an average length of at least 1 m. The cable components retain substantial strength when exposed to heat or fire. ... | 09/18/2007 |
| 7071417 | Optically encoded glass-coated microwire A drawn glass-coated metallic member has a thermal contraction coefficient differential such that the thermal contraction coefficient of the glass is less than that of the metallic member. The thermal contraction coefficient differential is maintained within a prede... | 07/04/2006 |
| 7041911 | Amorphous microwire and method for manufacture thereof An amorphous microwire coated with an insulating sleeve, composed of a metal core made up of an alloy of transition metals and metalloid elements, at a proportion between 65%–90% and 10%–35%, respectively, and an insulating glass sleeve, the transition metals ar... | 05/09/2006 |
| 6953888 | Thin coaxial cable and method for its manufacture A thin coaxial cable is provided comprising an inner conductor; an outer conductor being an electroplated conductive metal layer; a thin electrically insulating layer made of a polymeric enamel resin or of glass of at most approximately 15 μm thickness separating s... | 10/11/2005 |
| 6852412 | Fire and thermal insulative wrap A fire and thermal insulative wrap for protecting building wires and cables is provided comprising a layered construction of a support substrate and a coating, thereon, of an intumescent material. Optionally, a third ceramic layer is provided for added fire protecti... | 02/08/2005 |
| 6720498 | Electrical line The invention relates to an electrical line (L) having at least one electrical conductor (1) enclosed by temperature-resistant insulation (2) which ensures the functionality of the line (1) in case of fire. To minimize the fire load of the line ... | 04/13/2004 |
| 6680119 | Insulated electrical coil having enhanced oxidation resistant polymeric insulation composition An insulated electrical coil is disclosed and is formed from a plurality of turns of coil, each having a cured body of resinous insulation applied to each turn of coil. The insulation is formed from a cured resinous composition of epoxy-anhydride resin th... | 01/20/2004 |
| 6433273 | Heat-shielding jacket A closeable heat-shielding jacket is formed from a substantially impervious flexible sheet of polyurethane-coated woven glass fiber textile. The textile has a substantially continuous layer of polyester coated with a reflective layer of 10 aluminum adhere... | 08/13/2002 |
| 6403503 | Fiberglass cloth resin tape insulation An improved electrical insulation tape is formed from a sheet of fiberglass cloth having a layer of thermoplastic resin bonded thereto. The thermoplastic resin layer is applied to the fiberglass sheet by melting the resin while contacting the fiberglass, ... | 06/11/2002 |
| 6355187 | Conductive paste and glass circuit substrate There is provided a conductive paste comprising a conductive component, a glass frit, and a vehicle, wherein the glass frit comprises a glass and at least one of alumina (Al2 O3), silica (SiO2), titania (TiO2) a... | 03/12/2002 |
| 6229093 | Mineral-insulated electrical cable A mineral-insulated electrical cable has a tubular casing and several metallic conductors running inside the tubular casing and projecting out of it, which are insulated against one another and against the tubular casing. The metal casing has on at least ... | 05/08/2001 |
| 6003565 | Woven fiberglass cable wrap A cable wrap fabric for protecting a communications cable is woven of fiberglass yarns plied with or without low melt thermoplastic yarns, and water swellable superabsorbent yarns. The water swellable superabsorbent yarns are interspersed at spaced interv... | 12/21/1999 |
| 5796043 | High-tension cable A high-tension cable including a metallic resistance wire wound around a reinforcing core, an insulator covering the metallic resistance wire, a braid covering the insulator, and a jacket covering the braid, wherein the reinforcing core has a hollow cylin... | 08/18/1998 |
| 5438164 | Insulated electrical conductor and method A high temperature resistant insulated electrical conductor (100) is provided in which a electrostatically deposited layer (6) of fluorocarbon material is disposed about a fiberglass insulation layer (4) encompassing a stranded or solid electrical conduct... | 08/01/1995 |
| 5410106 | Electric feed cable for oil well pump The present invention relates to a cable used to supply electric power to a pump for pumping crude oil from an oil well. It is consisted of an insulating layer, a resin sheath and a metallic sheath sequentially layered onto the surface of a conductor. A p... | 04/25/1995 |
| 5330809 | Thermal protection sleeve for reducing overheating of wire bundles utilized in aircraft application An electrical cable having a wire bundle core surrounded by a thermal protection sleeve, the thermal protection sleeve consisting of a sandwich structure of outer acrylic adhesive layer and a silicone foam core.... | 07/19/1994 |
| 5326604 | Thermal protection sleeve for reducing overheating of wire bundles utilized in aircraft application An electrical cable having a wire bundle core surrounded by a thermal and chafe protection sleeve, the thermal and chafe protection sleeve consisting of a sandwich structure having an additional outer layer of fiberglass lacing tape and a fluorosilicone f... | 07/05/1994 |
| 5304740 | Fusible link wire A fusible link wire for use in an electric circuit comprising a fusible conductor for opening the circuit in response to a given current level, an inner electrical insulation layer surrounding the fusible conductor, a braided sheath positioned over the in... | 04/19/1994 |
| 5274196 | Fiberglass cloth resin tape insulation An improved electrical insulation tape is formed from a sheet of fiberglass cloth having a layer of thermoplastic resin bonded thereto. The thermoplastic resin layer is applied to the fiberglass sheet by melting the resin while contacting the fiberglass, ... | 12/28/1993 |
| 5227586 | Flame resistant electric cable The disclosure herein describes a flame resistant electric cable which is capable of resisting flame temperatures in the neighborhood of 1000° C. for at least two hours; the cable comprises an electrical conductor including an electrical wire, an extrude... | 07/13/1993 |
| 5211746 | Flame retardant compositions A composition comprising: (a) polyethylene having a density equal to or less than 0.925 gram per cubic centimeter, grafted with an unsaturated aliphatic diacid anhydride; and (b) magnesium hydroxide, surface treated with a saturated or unsaturated carboxy... | 05/18/1993 |
| 5140292 | Electrical coil with overlying vitrified glass winding and method A coil has one or more layers of primary and secondary windings about a bore liner, with the primary and secondary windings separated by a winding of glass threads. The coil is heated in an oven to first drive off the volatiles of the binder forming part ... | 08/18/1992 |
| 5075514 | Insulated thermocouple An improved insulated thermocouple having no asbestos insulation material. The improved thermocouple and a method for making it are described whereby individual conductors are wrapped with high temperature fiberglass insulation and are then coated with a ... | 12/24/1991 |
| 4906308 | Method of making electric cable with improved burn resistance feature An improved process and apparatus for making electric cable is disclosed that will result in electric cable with improved burn resistant characteristics. The improved process and apparatus consists of a first yarn wrapping portion, an impregnating section... | 03/06/1990 |
| 4769276 | Mica-coated electrically insulating and fire-proofing adhesive tape especially suitable for electrical or optical fiber cable The mica-coated adhesive tape comprises at least one sheet of mica paper and at least one backing sheet bonded to the mica paper sheet by means of a binder, the face of the mica paper sheet away from the backing sheet being coated with an adhesive. The ad... | 09/06/1988 |
| 4761520 | Spiral wrapped insulated magnet wire Magnet wire substrates (1) are described having a layer of glass fiber (2) wrapped thereon, which has a layer of spirally wrapped and bonded polyester insulation tape (3) as the outermost layer. The resulting insulated magnet wire in addition to having th... | 08/02/1988 |
| 4710594 | Telecommunications cable A telecommunications cable having no metal sheath, but having a plurality of equally pre-tensioned and inextensible tensile members embedded in the cable jacket. These members are spaced apart around the core and extend longitudinally of the cable to appl... | 12/01/1987 |
| 4680222 | Process and device for electric winding insulation by impregnation, and stabilized varnish without solvent usable therein Process for insulating by impregnation an electric winding with isocyanurate and oxazolidone cycles resins, in which one wraps around the conductors a glass cloth and porous mica paper tape loaded with a quaternary ammonium salt catalyzing the condensatio... | 07/14/1987 |
| 4590025 | Impregnation of thread-covered wires and braided conductors by extrusion of thermoplastics The purpose of the invention is to manufacture varnish-bonded thread-covered circular-section and profile-section wires and braided conductors in a manner which is particularly cheap and which involves particularly little risk of contaminating the environ... | 05/20/1986 |
| 4514466 | Fire-resistant plenum cable and method for making same A new and improved method for preparing a fire resistant electrical-conductor is disclosed in which a length of a metal core conductor is first wrapped with a mica-impregnated glass tape to form a continuous first layer, and then an outer coat of a heat-c... | 04/30/1985 |
| 4407528 | High pressure insulating flange An easy to manufacture, strong, high pressure flange-type insulating coupling with wide separation between exposed metal parts is provided. The insulating coupling is made up of two metal half flanges supported on a nonconductive cylindrical nonmetallic m... | 10/04/1983 |
| 4269894 | Electric windings and production thereof characterized by the use of a condensation type silicon resin for combination with an addition type silicon resin Electric windings comprising an electric conductor and a plurality of cured insulating layers wrapping around the conductor, said cured insulating layers being obtained by bonding two or more insulating materials with a binder solution containing a mixtur... | 05/26/1981 |
| 4258347 | Magnet coil The magnet coil uses copper in the form of powder or metal chips and in bags of quartz glass fabric to bind-in any oxygen or water leaking into the enclosure in which the copper winding is located. The copper powder or chips act as absorbing medium to pre... | 03/24/1981 |
| 4151237 | Production of cables with undulated tension relief elements In the production of electric cable in an extruder head having undulated tension relief elements embedded in the jacket, the jacketing material and tension relief elements are introduced at a velocity greater than the cable core, with such velocity being ... | 04/24/1979 |
| 3983313 | Electric cables An insulated cable core is sheathed in polyolefin. The polyolefin for instance sheath of polyolefin for instance contains parallel non impregnated glass fibers which are undulated to improve mechanical bonding with the sheath.... | 09/28/1976 |
| 3935355 | Wrapping material An elongated wrapper which is initially flexible and which, when wrapped around one or more bodies, is adapted to be stretched and assume a substantially rigid condition. The wrapper has an outer, elongated, tubular, elastic envelope assembly which is of ... | 01/27/1976 |