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| Number | Title | Issue Date |
| 8163993 | Apparatus, method, and system for grounding support structures using an integrated grounding electrode Disclosed herein are apparatus, methods, and systems for grounding outdoor light poles, as well as other structures, which may be exposed to lightning or other adverse electrical effects and may require a low impedance path to ground. Inventive aspects include a com... | 04/24/2012 |
| 8044297 | Ground electrode A land electrode for a high voltage direct current transmission system including a converter station with a grounding point. The land electrode is connected to the grounding point and includes a plurality of electrode sections. A line electrode includes a part inter... | 10/25/2011 |
| 7939751 | Land electrode A return path between a first HVDC station and a second HVDC station. A first electrode is connected to the first station and a second electrode is connected to the second station. The return path includes a first part including a first low resistive zone through th... | 05/10/2011 |
| 7919711 | Utility pole grounding plate A utility pole grounding plate including a main section and a plurality of flaps. The main section has a general plate shape adapted to be connected around an outer curved surface of a utility pole. The flaps extend outward from an exterior side of the main section.... | 04/05/2011 |
| 7855337 | Electrical systems, facilities, and methods with power pedestals having EUFER grounding Power pedestals are provided with an electrical ground connection to rebar encased in a foundation slab of a facility to thereby establish a EUFER ground for the power pedestal. Many pieces of rebar may be present within the foundation slab and may be interconnected... | 12/21/2010 |
| 7655861 | Grounding and energy dispersion system A surge protector which has a metal grounding plate having holes and tubular sleeve guides, standard UL-approved ground rods that are inserted through the sleeve guides and are affixed to the sleeve guides using a durable exothermic weld, and leads attached at one e... | 02/02/2010 |
| 7465874 | Electrical grounding strip An electrical grounding strip has a first link and a second link, wherein the second link is connected directly to the first link, and each of the first and second links has a portion lying substantially in a plane and has at least one electrically conductive spike ... | 12/16/2008 |
| 7385140 | Grounding conductor A grounding conductor 1 is composed of a conductive metal portion 2 and a conductive casing portion 3 that covers the conductive metal portion 2. The conductive casing portion 3 has a specific resistance of 0.01 to 0. (Ω·m). Sinc... | 06/10/2008 |
| 7282637 | Grounding system Exemplary embodiments provided herein may include segmented grounding system, including a bit including a coupling portion at a first end, and a generally tapered second end, a shaft with a first end configured to couple to the coupling portion of the bit, and a sec... | 10/16/2007 |
| 7230179 | Stray voltage suppression device A stray voltage suppression device includes a motor-driven conductive vane which rotates in planes oriented at least substantially parallel to the ground, with the motor casing being connected to the ground below. The device has been found useful to reduce or elimin... | 06/12/2007 |
| 7189312 | Under water cable system having an earthing electrode An earthing electrode assembly and method for providing a submerged electrical apparatus with an earth path, the electrode assembly having an earthing electrode, an attachment device for attaching the electrode assembly to a cable, and an insulated electrical connec... | 03/13/2007 |
| 7173181 | Coupling set for connecting ground plate for arrest of lightning A coupling set for connecting a ground plate for arrest of lightning is provided, in which the ground plate is embedded underground below an electric pole in order to effectively arrest lightning. Accordingly, lightning can be effectively grounded. The connection me... | 02/06/2007 |
| 7170002 | Conduit junction with internal earth A junction for joining a first section of conduit to a second section of conduit is described. The junction has a body, which has a first connecting portion for connecting a respective first section of conduit to said body and has a second connecting portion for con... | 01/30/2007 |
| 7138579 | Flexible grounding strip A flexible grounding strip includes an electrically conductive strip having an elongated base, opposite sides of which extend to respective flanges spaced from the base. Each flange extends from one side of the base and terminates at an edge generally facing the opp... | 11/21/2006 |
| 7112742 | Method of improving interior environment and grounding electrode device To maintain an interior environment in an environment in which negative ions are abundant, and to stably maintain the environment at a higher level with maintaining an efficacy of the charcoal included in a paint containing a charcoal powder applied to a wall face i... | 09/26/2006 |
| 7098398 | Adjustable spring grounding pin An adjustable spring grounding pin for grounding separate parts of an electrical device, for example end shields and a stator of an electric motor, automatically adjusts its circumferential dimension to provide a tight grounding fit between aligned holes of differen... | 08/29/2006 |
| 6972369 | Flexible grounding strip A flexible grounding strip includes elongated electrically conductive strip having a base extending between spaced, opposed sidewalls. At least one of the sidewalls has a flange spaced from the base and extending towards the opposed sidewall. Each of the sidewalls h... | 12/06/2005 |
| 6965079 | Electrical ground connection apparatus Apparatus for providing an electrical ground connection through a pipe or conduit system including electrically non-conductive portions. A pipe fitting, preferably although not necessarily made of electrically non-conductive material, is equipped with an electricall... | 11/15/2005 |
| 6963026 | Ground rod A ground rod includes first and second ends connected by a shaft portion. The first end has an auger configuration permitting it to be drilled into the ground. The opposite end is adapted to attached to either an electric drill or an impact wrench. This drastically ... | 11/08/2005 |
| 6933442 | Methods and apparatus to secure a ground strap assembly to an electrically conductive member A grounding connector having at least a first layer and a second layer. A conductor, such as a grounding wire, is secured between the first layer and the second layer. The first and second layers are made of a material with the same or similar galvanic potentials as... | 08/23/2005 |
| 6930239 | Ground bar A ground bar includes a bar, a head securely connected to a first end of the bar, and a cap securely connected to a second end of the bar. The head is composed of a solid cone and a hollow sleeve securely connected to the solid cone and having a diameter larger than... | 08/16/2005 |
| 6916983 | Grounding electrode A grounding electrode suited for installation in very hard or rocky soil is a long conductive metal rod having a drilling bit at one end and a head adapted to mate with a drilling tool, preferably a hammer drill. The grounding electrode, together with a suitable con... | 07/12/2005 |
| 6864422 | Electrical isolation of an electronic device A clip includes an integral u-shaped body of insulating material including two parallel fingers joined by a spine to define a gap between the fingers. The fingers have respective holes each sized to receive a screw, the holes being coaxial. At least one of the finge... | 03/08/2005 |
| 6815607 | Grounding method and associated pole support system The invention relates to a method and apparatus for electrically grounding and supporting poles or posts which are used in electrical and/or telecommunication networks. The system includes a conductive base support affixed at or near the base of the pole and to whic... | 11/09/2004 |
| 6774305 | Self-grounding connector for joining end sections of fluid flow conduits and fabrication processes therefor An electrically self-grounding connector for joining end portions of fluid flow conduit sections, and processes for fabricating two embodiments of the connector. A connector formed according to one process includes an inner layer having electrically conductive, cont... | 08/10/2004 |
| 6747205 | Device for assisting in the measurement of the earth resistance The invention relates to a device for assisting in the measurement of the earth resistance comprising a ground rod with a wire coiled up on a reel or the like, and electrical connecting means for connecting the wire to the ground rod. To provide such a device which ... | 06/08/2004 |
| 6727430 | Methods and apparatus to secure a ground strap assembly to an electrically conductive member Methods and apparatus to secure a ground strap assembly to an electrically conductive member are disclosed. In a disclosed example, a ground strap assembly includes a bendable ground strap, and a grounding clip having at least one flange located to substantially pre... | 04/27/2004 |
| 6703556 | Mobile lightning protection The present invention provides a method and apparatus for mobile lightning protection. In one embodiment of the present invention, a lightning interception rod is positioned above a vehicle. In one embodiment, the rod connects to four down-conductors to c... | 03/09/2004 |
| 6664469 | Neutral bar assembly and method of making assembly A neutral bar assembly is provided which includes a plurality of neutral bars electrically and structurally secured together with a pair of expanders. Each of the expanders is a unitary member made of an electrically conductive material, having a pluralit... | 12/16/2003 |
| 6555742 | Earth ground terminal An earth ground terminal provides an electroconductive substrate part and an electroconductive spring contact which protrudes integrally from one edge of the substrate part toward the side opposite to the substrate part. Through holes which have undergone... | 04/29/2003 |
| 6515220 | Moisture collecting grounding electrode An improved grounding electrode system includes a moisture collector connected to a grounding electrode. The electrode may have a perforated conductive tubular assembly having at least two circular conductive collars. The whole electrode assembly is burie... | 02/04/2003 |
| 6502019 | Electronic digital device employing fault detection An electronic digital device for controlling or adjusting processes in a motor vehicle has several components, of which at least one arithmetic unit and a bus connecting the components are redundant. At least one component is not redundant. The electronic... | 12/31/2002 |
| 6498291 | Static electricity eliminator When static electricity builds up in the earth, it is suddenly discharged in a destructive bolt of electricity which can cause fires, property damage and loss of life. The present invention collects this static electricity from the earth before it can bui... | 12/24/2002 |
| 6455777 | Using bare stranded copper wire for grounding to conduit or steel channel An electrical power distribution system including a hollow elongated enclosure such as flexible metal conduit, a modular furniture distribution, or similar enclosure has a plurality of elongated insulated conductors within the enclosure, and a plurality o... | 09/24/2002 |
| 6417448 | Safety switch A ground plate for an electrical device which includes a substantially flat base section having a pair of support rails positioned substantially perpendicular to the base section with said support rails being formed integral with said base section through... | 07/09/2002 |
| 6403880 | Ground strap for electrical box An electrical box assembly includes an electrical box, a ground strap and a connecting member extending between adjacent ground straps. The electrical box includes coupling members on opposite end walls. The coupling members include a pair of opposing cou... | 06/11/2002 |
| 6329592 | Meter box ground clamp A ground clamp for connecting an edge portion of the metallic enclosure of an electrical meter box with a ground conductor. The ground clamp includes a U-shaped clamp member, a bolt member, and means for mounting the ground conductor. First and second leg... | 12/11/2001 |
| 6288327 | Grounding device and use thereof in temporary installations A grounding device for conducting current into the earth through protrusions which engage thereinto. The protrusions are integrally affixed on a base plate and extend from only one surface plane thereof. Protrusions having tapered configurations are inclu... | 09/11/2001 |
| 6245989 | Land electrode for a high voltage direct current transmission system A land electrode has at least one feeding element connected to an electrode line of a high voltage direct current (HVDC) transmission system. The land electrode is in electric contact with a conducting medium and further comprises at least two electricall... | 06/12/2001 |
| 6242688 | Sea electrode for a high voltage direct current transmission system A sea electrode (15) for grounding of a high voltage direct current transmission system comprises an electrically conducting electrode body (1) for connection to the transmission system and at least one ballast (4) located above the electrode. The electro... | 06/05/2001 |
