Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8115393 | LED tubular lighting fixture A tubular LED lighting fixture comprises: a heat sink shell; a printed circuit board supported on the shell and having an upper surface and a bottom surface, longitudinally extending laterally spaced wiring on the upper and bottom surfaces, and, transverse heat pipe... | 02/14/2012 |
| 7336473 | Single-path electrical device and methods for conveying electrical charge A single-path electrical device generates a conductive channel through the air to alternatively convey charge to a target and remove charge from the target. The single-path electrical device uses either a grounding sphere or grounding torroid to store and at least p... | 02/26/2008 |
| 7288204 | Method and arrangement for treating a substrate with an atmospheric pressure glow plasma (APG) Method for generating an atmospheric pressure glow plasma (APG), wherein said plasma is generated in a discharge space between a plurality of electrodes. A dielectric is present on at least one of said electrodes, said dielectric having a boundary surface with said ... | 10/30/2007 |
| 7277460 | Generation of optical filaments by use of localized optical inhomogeneities Optical filaments are formed controllably in a gaseous medium such as air. A phase plate introducing a phase discontinuity or other localized optical inhomogeneity is introduced into the path of the pulsed high-power laser beam that forms the optical filaments in th... | 10/02/2007 |
| 7236343 | Method and system for lightning current conduction protection using foil bonded strips An apparatus and method for current protection from lightning strikes is provided. An apparatus for current protection comprises an electrically conductive strip affixed to a surface, such as a structural panel, and electrically bonded to a system current return str... | 06/26/2007 |
| 7226303 | Apparatus and methods for sealing a high pressure connector An electrical connector for use in downhole environment and methods for use are provided. In one aspect, an electrical connector comprises a substantially cylindrical connector body having a first end and a second end. A groove is formed around an outer surface of t... | 06/05/2007 |
| 7120004 | Current diverter strip and methods A current diverter strip is provided having a dielectric (22) located above a plurality of conductive segments (24). An insulator (30) is also provided among said conductive segments (24) and below said dielectric (22). When RF tra... | 10/10/2006 |
| 7002300 | Microwave generator and method of radiating microwave energy Intensive microwave radiation in particular of great band width and energy over a relatively long period of time in the form of long pulse packets with a high pulse repetition frequency and a very high frequency spectrum can be achieved if microwave irradiation is e... | 02/21/2006 |
| 4547831 | Surge arrester A surge arrester includes an elongated insulating housing comprising one or more stacks of electrically series-connected metal oxide varistor blocks arranged between a top terminal and a bottom terminal. To achieve a more even voltage distribution in the ... | 10/15/1985 |
| 4484247 | Nonfragmenting station arrester A lightning arrester of the station class is equipped with a ceramic housing protective heat shield liner formed of an ablative material capable of giving off a gas when subjected to a fault current arc. The evolved gas contributes to a rapid internal pre... | 11/20/1984 |
| 4476513 | Surge arrester A surge arrester comprises two or more surge arrester units which are electrically series-connected between a top terminal and a bottom terminal. Each surge arrester unit comprises a stack of metal oxide varistor blocks, the latter being distributed withi... | 10/09/1984 |
| 4471402 | Disconnector for surge arrester A disconnector for a surge arrester explosively separates an electrical lead wire, normally a ground lead wire, from the arrester to prevent a permanent fault and to provide an indication of a failed arrester. The disconnector includes an elongated, frang... | 09/11/1984 |
| 4463404 | Surge voltage arrester with shielding bodies enclosing a column of arrester elements A surge voltage arrester, with a column of arrester elements arranged in a housing and several shielding bodies enclosing the column, includes voltage controlling elements arranged between the shielding bodies. The size and type of fastening of the voltag... | 07/31/1984 |
| 4463405 | Fail safe surge arrester A surge arrester including an outer porcelain housing and an ablative heat shield liner is disclosed herein along with a number of techniques for making the surge arrester break resistant. In accordance with one of these techniques, a blow out or relief v... | 07/31/1984 |
| 4424547 | Surge suppressor construction This surge suppressor comprises a tubular insulating housing having a metal end cap at one end and an integral end wall at its opposite end. A metal terminal extends through the end wall and has a portion within the housing. A stack of metal-oxide varisto... | 01/03/1984 |
| 4396865 | Therminoic fault current limiter and method of current limiting A thermionic fault current limiter utilizes either a vacuum or plasma environment for a plurality of spaced conduction electrodes. The electrode can be supported by insulative spacers with the electrode providing shadow shields for the supporting spacers.... | 08/02/1983 |
| 4385338 | Power connector with overvoltage protection A power connector for providing overload protection for an electrical operating station connected to a power mains, composed of at least one overvoltage arrester of a first type which is capable of quenching the power mains surge current and at least one ... | 05/24/1983 |
| 4367431 | Multistage spark gap with delay cables The spark gap device disclosed herein comprises at least two sets of electrodes enclosed within a common chamber. A delay line is connected between successive sets of electrodes. An arc which develops across the first set of electrodes as a result of a vo... | 01/04/1983 |
| 4363069 | Overvoltage arrester with arrester elements in a frame comprising columns Disclosed are overvoltage arresters comprising a columnar arrangement of arrester elements, insulating elements and conducting elements. The elements are arranged to provide a current flow in at least one plane extending transversely to the columns. The c... | 12/07/1982 |
| 4356527 | Valve arrester A valve arrester comprises a serial arrangement which includes at least one nonlinear resistor and spark gaps implemented as arcing horns which are housed in slit-type arc extinction chambers whose walls are made of an electric insulation material and for... | 10/26/1982 |
| 4340924 | Grading means for high voltage metal enclosed gas insulated surge arresters Capacitance grading is provided within gas insulated lightning arresters containing stacked zinc oxide varistors by means of a grading ring electrically connected to the line terminal or, for arresters of the higher voltage ratings, by means of a pluralit... | 07/20/1982 |
| 4326233 | Lightning arrester A series circuit of a gap section and a valve block is connected between a transmission line and the ground. The valve block consists of a plurality of nonlinear resistor elements connected in series. A first impedance circuit consisting of a resistor and... | 04/20/1982 |
| 4326232 | Lightning arrester A lightning arrestor comprising at least two stacks of resistor disks juxtaposed within a housing and electrically connected in parallel. The stacks include the same number of disks, at least 35, and preferably 100 or more. Each stack comprises at least t... | 04/20/1982 |
| 4306267 | Arrester An arrester comprises a plurality of blocks connected in parallel between first and second connecting metal plates and each comprised of a plurality of stacked nonlinear resistor elements, at least one block comprised of a plurality of stacked nonlinear r... | 12/15/1981 |
| 4240124 | Surge arrester having coaxial shunt gap A surge arrester of compact construction includes a housing formed preferably of elastomeric material through which a pair of spaced terminals protrude and between which a stack of metal oxide varistor discs is disposed and connected in series therewith. ... | 12/16/1980 |
| 4234902 | Enclosed lightning arrester A lightning arrester enclosed in a grounded metal enclosure filled with SF6 includes six nonlinear resistors of sintered ZnO serially interconnected in superposed relationship between a high voltage conductor and the enclosure through a cylindr... | 11/18/1980 |
| 4232351 | High-voltage crowbar circuit with cascade-triggered series ignitrons A series string of ignitrons for switching a large current at high voltage to ground. Switching is initiated by means of a negative trigger pulse applied to the cathode of the lowest voltage level ignitron next to ground to draw ground current through dio... | 11/04/1980 |
| 4228478 | Overvoltage arrester An overvoltage arrester wherein the arrester comprises an insulating housing which encloses a body of cast resin in which is embedded a voltage dependent resistor and a first connecting device, a portion of which protrudes from the resin body and extends ... | 10/14/1980 |
| 4223366 | Gapless surge arrester A gapless surge arrester is disclosed herein and includes a porcelain outer casing and a stack of zinc oxide discs located within the casing for passing surge currents therethrough. Silicon dioxide, preferably sand, is provided between this stack in the c... | 09/16/1980 |
| 4188561 | Station protector spark gap applique An applique or attachment for a station protector spark gap device includes an insulated enclosure housing a gas tube spark gap device together with fail safe shorting means located circumferentially therearound. Auxiliary gaps in parallel with the gas tu... | 02/12/1980 |
| 4174530 | Voltage surge arrester device Voltage surge arrester devices having predetermined shunt gap sparkover voltages are provided by the series combination of high- and low-exponent varistors. In one embodiment the high-exponent varistor comprises zinc oxide and the low-exponent varistor co... | 11/13/1979 |
| 4159510 | High-intensity lamp having high pulse repetition rate and narrow pulse-width A high intensity light source having high repetition rate and narrow pulse-width. The light source comprises a metal casing having coaxially mounted arcing electrodes therein which utilize the capacitance of the coaxial system to charge up to the arcing p... | 06/26/1979 |
| 4158872 | Surge diverter A surge diverter connected between a conductor and ground comprising several spark-quenching gaps, voltage-controlled shunting resistors connected in series with these gaps and voltage controlled control-resistors, each connected in parallel either to a g... | 06/19/1979 |
| 4136299 | Lightning arrester device A grounded cylindrical metallic housing is hermetically closed at one end and an electric insulation hermetically extends through the other closed end of the housing to form in the housing a space filled with an electrically insulating gas. An arrester el... | 01/23/1979 |
| 4134146 | Surge arrester gap assembly Surge arrester spark gap assemblies for use within surge voltage arrester devices employ the gap electrode structure to direct the arc current flow.... | 01/09/1979 |
| 4132915 | Spark gap protector A spark gap protector includes a gas tube spark gap device received in a supporting base. A failsafe device for permanently shorting the spark gap protector to ground after an extended discharge includes a spring biased cage and a solder pellet. An extend... | 01/02/1979 |
| 4107567 | Surge protector A surge protector or arrester for providing surge protection for relatively low voltage or secondary equipment, circuits and systems includes a vertically stacked, parallel arrangement of two, independent, spark gap and valve block assemblies, the compone... | 08/15/1978 |
| 4100588 | Electrical overvoltage surge arrester with varistor heat transfer and sinking means The arrester comprises an insulating housing with end terminals and a plurality of varistors inside the housing electrically connected between the terminals. The varistors are provided individually or in groups with a heat transfer and sinking collar whic... | 07/11/1978 |
| 4092694 | Overvoltage surge arrester having laterally biased internal components Flat internal components of an arrester are stacked longitudinally inside the insulating housing cylinder with a perimeter portion contacting the inside wall of the housing. Each component has a guide channel extending longitudinally on its perimeter port... | 05/30/1978 |
| 4072996 | Method and arrangement for arc quenching in arresters An electrical arrester includes one or more pairs of electrodes disposed within quenching chambers which form current-limiting quenched spark gaps connected in series with an associated blow-out coil for magnetically influencing the arc in the quenching c... | 02/07/1978 |
