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| Number | Title | Issue Date |
| 7960647 | Lightning protection device: wet/dry field sensitive air terminal A lightning protection device having a grounded Franklin rod and a conductive device attached to the rod and defining a predetermined overall shape of a predetermined size therearound. The lightning protection device is particularly devised to limit the amount of co... | 06/14/2011 |
| 7902455 | Lightning arrester Provided is a lighting arrester capable of preventing damage caused by a lightning by discharging charges charged by approach of a thundercloud. The lightning arrester includes: a conductive rod installed at an upper part of an object to be protected from a lightnin... | 03/08/2011 |
| 7786377 | Device to attenuate atmospheric discharges The invention of the present application provides a device that includes an assembly of a toroid and a rod with one or several pointed ends; and a filter system; wherein, around the pointed end or the pointed ends of the rod, an electrical field is formed with air i... | 08/31/2010 |
| 7365267 | Ground rod having induction discharge skin-effect plate A ground rod having an induction discharge skin-effect plate is disclosed, in which an electric current inputted into a ground rod can be easily discharged to the ground by forming an induction discharge skin-effect plate in parallel with a ground rod at a certain i... | 04/29/2008 |
| 7265961 | Lightning protection device and method An air terminal for lightning protection includes a central rod and a curved conductive surface around the central rod. The central rod includes a tip mount for receiving a tip from a tip set that includes a plurality of tips that impart different electrical charact... | 09/04/2007 |
| 7127804 | Device for installation of signalization spheres and verification of the status of a lightning-rod cable A device for installation of signalization spheres and verification of the status of a lightning-rod cable. A supporting structure, consisting of two bases equidistant, parallel to each other, linked to each other by axial segments, the axial segments acting as supp... | 10/31/2006 |
| 7113382 | Practical plasma arrester The present invention relates to practical plasma. Because in the plasma lightning arrester of the prior art, the intensity of the balancing charge is usually insufficient and disappear quickly, there is no sufficient time and intensity to balance out the induced ch... | 09/26/2006 |
| 7042694 | Self-balancing shielded bipolar ionizer with air assist An improvement for a self-balancing shielded bipolar ionizer (U.S. Pat. No. 6,002,573), which uses pressurized air or nitrogen to increase performance, extend the operating distance range, and reduce cleaning frequency. An air assist assembly is inserted into the io... | 05/09/2006 |
| 7041895 | Streamer discharge type lightening rod capable of generating lots of ions A streamer discharge type lightening rod is disclosed, which is capable of generating lots of ions so that a certain object can be effectively protected from lightening in such a manner that an induction current is formed using ions in the air as thundercloud is for... | 05/09/2006 |
| 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 |
| 6943285 | Bipolar discharge-dissipation lightning air terminals The present invention relates to a Bipolar Discharge-Dissipation Lightning Air-Terminals, and an object of the present invention is to disperse and discharge an earth charge following a thundercloud approach in a space according to electric dipole, bipolar and elect... | 09/13/2005 |
| 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 |
| 6894216 | Signalization spheres A method of installing signalization spheres on energized transmission lines. A supporting structure, consisting of two bases equidistant, parallel to each other, linked to each other by axial segments, the axial segments acting as supports for activation engines, r... | 05/17/2005 |
| 6875915 | Lightning arrester Disclosed is a lightning arrester. The lightning arrester safely discharges earth charge of a main electrode section and an auxiliary electrode section regardless of a variation of charge contained in air, so charge charged in a thundercloud is safely discharged int... | 04/05/2005 |
| 6815606 | Bipolar multi electrostatic inducing discharge-dissipation lightning air terminals Disclosed is a bipolar multi electrostatic inducing discharge-dissipation lightning air terminal, in which different charges are applied to upper and lower sections thereof by an isolation polymer insulator in such a manner that an earth-charge is preliminarily disc... | 11/09/2004 |
| 6741438 | Lightning-arresting system with underground network A lightning-arresting system includes a lightning rod and an underground conductive network connected to the rod. The network includes a plurality of rectangular meshes or radially extending lines. The network is laid under a structure protected from lightning strik... | 05/25/2004 |
| 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 |
| 6677517 | Lightning suppression system for power lines A lightning suppression system for a power supply line including an enclosure with an interior volume, a first coil positioned within the interior volume of the enclosure, a second coil positioned within the interior volume of the enclosure, and a third c... | 01/13/2004 |
| 6649825 | Human impalement prevention system A lightning rod system including both methods and specific types of lightning rod protection apparatus, which address the need for lightning rod safety features to deter impalement and minimize injury when humans inadvertently fall upon or strike the proj... | 11/18/2003 |
| 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 |
| 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 |
| 6369317 | Safer lightning rod and warning system A lightning rod system including both methods and specific types of lightning rod protection apparatus, which address the need for lightning rod safety features to deter impalement and minimize injury when humans inadvertently fall upon or strike the proj... | 04/09/2002 |
| 6320119 | Lightning air terminals and method of design and application Air terminals of two types having curved surface electrodes that act passively or dynamically to minimize or further reduce corona during the close approach of the down leader. In the first type, a fully grounded passive terminal, suitably located and com... | 11/20/2001 |
| 6307149 | Non-contaminating lightning protection system This invention is directed towards a lightning prevention system that prevents lightning strikes by draining the ambient static charge before the electrical potential reaches the electrical breakdown point of the atmosphere. This invention suppresses the ... | 10/23/2001 |
| 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 |
| 6167896 | Shelters A lightning shelter for people is formed from a plurality of elongate electrically conductive members first ends of which are held conjoined between a pair of metal plates. Each member extends away from and depends from its first end to define a frame and... | 01/02/2001 |
| 6069314 | Emitter of ions for a lightning rod with a parabolic reflector A lightning rod is enshrouded by a large number of electrically isolated metallic points. When a storm cloud passes overhead, a charge is induced in the lightning rod, causing the metallic points positioned near the lightning rod to emit sparks, causing t... | 05/30/2000 |
| 5998731 | Absorbed type lightning rod and absorbed type lightning discharging apparatus The lightning rod of the present invention is an absorbed type lightning rod which absorbs all lightning stroke current. This absorbed type lightning rod includes a conductive pole, a circular cone-shaped primary rod having an acute point, placed on the t... | 12/07/1999 |
| 5657197 | Operative lightning protection system As part of the operating mode of a lightning protection system in which lightning rods are moved from concealed positions to deployed positions as required for use in a storm with lightning phenomena, a testing procedure which monitors the movement noted ... | 08/12/1997 |
| 5638248 | Static dissipator A static dissipator for dispersing the electrical charge on a structure into the atmosphere in order to prevent lightning strikes comprises an electrically conductive core which includes a plurality of twisted cables. A plurality of wire filaments extends... | 06/10/1997 |
| 5370921 | Lightning strike composite and process A lightning strike coating composition for composites. The composite is multilayered and comprises (i) a prepreg containing layer, (ii) a lightweight, highly conductive metallic wire screen or foil layer, and (iii) a sheet of lightweight carrier fabric co... | 12/06/1994 |
| 5073678 | Spline ball terminal (SBT) Underwriters Laboratories lists lightning protection components as described in their UL 96, Third Edition Publication. The present invention improves on the basic lightning rod systems. The improvement provides a multiplicity of points extending in all d... | 12/17/1991 |
| 4926284 | Lightning protection device for interacting with leader stroke to prevent return stroke An atmospheric electrode is charged by electrostatic induction from a leader stroke which is associated with lightning formation. The electrode is earthed through a varistor which becomes conductive when the value of the tension associated to the electric... | 05/15/1990 |
| 4910636 | Static electricity dissipator An electrical dissipator comprising a multiplicity of fine electrically conductive wires having their proximate ends fitted into a hole in an electrically conductive base member and secured therein by crimping to securely grip the ends of the wires. One e... | 03/20/1990 |
| 4760213 | Lightning conductor A lightning conductor having an electrically conductive surface element insulated from an earth rod. The surface element is substantially continuous, but has an aperture defining an air gap. The air gap is located near the top of the earth rod. In atmosph... | 07/26/1988 |
| 4752854 | Method and apparatus for protection against lightning A method and apparatus is provided for protecting against lightning. An atmospheric potential tapping member is disposed for this purpose in the atmospheric field prone to lightning to collect a voltage (Uc) which, before there is a real threat... | 06/21/1988 |
| 4728748 | Lightning conductor with piezoelectric device for starting the corona effect Lightning conductor with a piezoelectric device for starting the corona effect. A lightning conductor pole rests on a support fixed by means of a ball. Under the action of the wind, the pole moves out of the vertical position until a shoulder abuts agains... | 03/01/1988 |
| 4652694 | Intermittent pulsed corona discharge lightning rod The invention relates to a corona discharge lightning rod comprising a tip which is isolated from the ground and having a base which is connected via discharge means to the ground, said lightning rod being suitable for ionizing the ambient atmosphere at t... | 03/24/1987 |
