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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6965074 | Pole-top insulator A pole-top insulator for carrying overhead electrical cables on pole legs or similar supporting structures located along power lines. One or more self-supporting tubular supporting arms made of electrically insulating composite material to which supporting cables ar... | 11/15/2005 |
| 6849804 | Method system for insulating electrical windings A technique and system for insulating conductors is provided in which insulating tubes are formed by winding insulating tape on a mandrel, with two or more layers of tape being wound in the same or opposite helical directions. The layers are bonded to one another an... | 02/01/2005 |
| 6790515 | Greensheet carriers and processing thereof A method of processing greensheets for use as microelectronic substrates comprises providing a greensheet having a width, a length and a thickness, bonding to the greensheet, within the greensheet width and length, a frame adapted to constrain movement of the greens... | 09/14/2004 |
| 6724118 | Electrical isolation layer system strand assembly and method of forming for electrical generator An electrical isolation layer capable of inhibiting, if not preventing, a first conductive material from electrically passing or bleeding into a second conductive material and thereby causing a high resistance connection among the conductive materials is provided. T... | 04/20/2004 |
| 6649847 | Resin block insulating system A resin block insulating system comprising a plurality of resin blocks laid so as to cover a high-voltage part. Each of the resin blocks has a side surface opposite to a side surface of an adjacent resin block via a gap formed therebetween. The side surfa... | 11/18/2003 |
| 6649846 | Electrical device having insulating structure The present invention relates to an electrical device having an insulating structure. The electrical device includes an electrical device body, a shell having a bottom surface and containing the electrical device body therein, a first insulating element d... | 11/18/2003 |
| 6552273 | Bus bar module A bus bar module (10) includes a bus bar (11) made of a metal material integrally molded into an insulating layer (12) made from resin. The bus bar module (10) also includes a distortion absorptive section (15) for absorbing distortion resulting from diff... | 04/22/2003 |
| 6114005 | Laminate and multilayer printed circuit board A laminate capable of mounting semiconductor elements thereon; comprising an insulating layer which is constituted by a resin portion of sea-island structure and a woven reinforcement. The resin portion of sea-island structure is, for example, such that a... | 09/05/2000 |
| 6087639 | Heating coil retainer bracket and method for manufacturing the same A retainer bracket for an electric heating assembly is provided with a pair of parallel and opposing side beams having longitudinal axes and at least one planar transverse support formed integral with the pair of side beams and extending between the pair ... | 07/11/2000 |
| 6028269 | Set of hollow and tapered composite insulators with a one piece core A composite insulator includes a hollow and tapered core portion composed of fiber-reinforced plastics, and a sheath and sheds composed of an insulating polymeric material integrally molded on the outer surface of the core portion. The core portions of co... | 02/22/2000 |
| 5677045 | Laminate and multilayer printed circuit board A laminate capable of mounting semiconductor elements thereon; comprising an insulating layer which is constituted by a resin portion of sea-island structure and a woven reinforcement. The resin portion of sea-island structure is, for example, such that a... | 10/14/1997 |
| 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 |
| 5036162 | Triaxial mount A mount for securing a load, for example a strut insulator, to a stationary support has a pair of end parts one of which is fixed to the load and the other of which is fixed to the support and a pair of respective intermediate parts. Respective end pivots... | 07/30/1991 |
| 4813639 | Cluster mounting system for supporting coaxial cables and the like A cluster mounting system is provided for supporting a plurality of transmission line or coaxial cable runs in a non-interfering manner on a microwave transmission tower. The system uses a cluster mount member comprising a single strip of metal formed in ... | 03/21/1989 |
| 4523054 | Line-past insulator support system, method of assembly thereof, and clamp for use therein An auxiliary support system for use with a line-post insulator of an electric power transmission system includes a tension member of electrically insulating material coupled between a tower and the junction of a conductor support with the outboard terminu... | 06/11/1985 |
| 4494173 | Three-dimensional insulating structure for high voltage components A high voltage apparatus having the three-dimensional structure of the invention has a plurality of electric units and a frame with a plurality of insulating columns. The electric units are vertically mounted in a plurality of stages between the insulatin... | 01/15/1985 |
| 4337390 | Electric heating element An improved electrical heating element is constructed to increase the amount of electrical wire per unit space available for plug-type convection heating units. The heating element includes a metal frame structure with a plurality of spaced support elemen... | 06/29/1982 |
| 4015073 | Universal line tie and method of making same A low cost, lightweight, helically preformed line tie is disclosed which is configured for yieldably securing an elongated conductor or the like to various standard sizes of conventional, grooved insulative supports without the need for specialized ties b... | 03/29/1977 |
| 3967094 | Electric heating unit support assembly A pair of strips having spaced cutouts therein are placed in lapping relation so the cutouts form openings to receive insulating bushings having circumferential grooves therearound at least some of the end margins of the intervening webs between the cutou... | 06/29/1976 |
| 3963859 | Support assembly for electric heating unit A support strip for insulating bushings has spaced cutouts therein to receive the bushings. A locking bar which closes the open side of the cutouts to hold the bushings in place is arranged so that it interengages with the web portions between the cutouts... | 06/15/1976 |
| 3931456 | High voltage distributor A high voltage distributor allowing the easy connection and disconnection of a high voltage power supply to and from one or more circuits requiring the supply. The design configuration features unrestrained "pump-out," insulation of the high voltage from ... | 01/06/1976 |
