...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 |
| 7855492 | Lamp holder for a dielectric barrier discharge lamp A lamp holder for a dielectric barrier discharge (DBD) lamp (1), especially for use in a treatment system or reactor or housing or in an irradiation apparatus, for radiating a medium like a fluid and/or a gas and/or a solid material by means of the DBD lamp (... | 12/21/2010 |
| 7304418 | Light source apparatus with light-emitting chip which generates light and heat A light source apparatus includes a light emitting chip which generates light and heat when energized via a first electrode and a second electrode, wherein the first electrode is a base on which the light emitting chip is directly packaged. ... | 12/04/2007 |
| 7139349 | Spherical neutron generator A spherical neutron generator is formed with a small spherical target and a spherical shell RF-driven plasma ion source surrounding the target. A deuterium (or deuterium and tritium) ion plasma is produced by RF excitation in the plasma ion source using an RF antenn... | 11/21/2006 |
| 7019254 | Plasma arc torch A plasma arc torch is provided that comprises a set of torch consumable components secured to a torch head, wherein a supply of cooling fluid flows coaxially through the torch to cool torch components and a supply of plasma gas and secondary gas flows through the to... | 03/28/2006 |
| 7005600 | Plasma arc torch tip A plasma arc torch is provided that comprises a set of torch consumable components secured to a torch head, wherein a supply of cooling fluid flows coaxially through the torch to cool torch components and a supply of plasma gas and secondary gas flows through the to... | 02/28/2006 |
| 6998566 | Plasma arc torch electrode A variety of electrodes for use in a plasma arc torch are provided that improve cooling between the electrode and an adjacent cathodic element such as a cathode. At least one passageway is formed between the electrode and the cathode for the flow of a fluid, e.g. co... | 02/14/2006 |
| 6965629 | Method and apparatus for initiating a pulsed arc discharge for nanopowder synthesis A nanopowder synthesis system having an autofuser device which obviates the need for external power switches, and which accommodates repeated discharges (of the order of 107) between ablating electrodes of precursor material at a high repetition rate (≧... | 11/15/2005 |
| 6936956 | Discharge lamp having an electrode body with a hermetically sealed space that is partially filled with a heat conductor A discharge lamp with a high output power in which an increase of the current to be supplied to the discharge lamp can be enabled without the need to enlarge the discharge lamp and the surrounding system. The discharge lamp includes an arc tube having a pair of oppo... | 08/30/2005 |
| 6919526 | Plasma arc torch head connections A plasma arc torch is provided that comprises torch head connections that are made between consumable components and a torch head independent of rotational alignment of the consumable components. Accordingly, connections for the flow of a cooling fluid, plasma gas, ... | 07/19/2005 |
| 6915963 | Spraying method and a spray system for coating liquids Cooling gas is fed through a cooling-gas line (14) to a liquid atomizer, preferably an atomizing bell (4) in order to cool its end surface (24) configured underneath streaming coating liquid and therefore in contact with the ambient air. The coo... | 07/12/2005 |
| 6362415 | HV connector with heat transfer device for X-ray tube Apparatus for connecting an HV cable to the cathode of an X-ray tube is provided with a housing disposed for attachment to the X-ray tube, and a quantity of epoxy or other electric insulating material contained within the housing. The epoxy serves to insu... | 03/26/2002 |
| 5923122 | Electrodeless bulb with means for receiving an external starting electrode An electrodeless lamp comprises an envelope containing a fill and a substance for facilitating the starting of the lamp. An outer tube is secured to an outside portion of the envelope in proximity to the given region and an inner tube is disposed within t... | 07/13/1999 |
| 5633556 | Discharge lamp of the water cooled type A discharge lamp provided with an anode of the water cooled type achieves advantageous cooling directly connected a tungsten tip piece to a tip of a body element of the anode that is formed of copper has a water cooling arrangement therein, by having a ma... | 05/27/1997 |
| 5600207 | Preferentially cooled forward wave crossed-field amplifier anode The present invention provides a double helix coupled vane forward wave crossed-field amplifier utilizing backwall cooling and vane channel cooling in the RF slow wave circuit. Backwall channel cooling is provided for the majority of the anode vanes. Addi... | 02/04/1997 |
| 5555493 | Fluid optics projector A fluid optical system for focusing all entering light whatever its direction and incidence, and having an entrance surface through which the light enters. The optical system has a volume having an optical shape generated by a logarithmic spiral so that t... | 09/10/1996 |
| 5418427 | Internally cooled forward wave crossed field amplifier anode vane The present invention provides a double helix coupled vane forward wave crossed-field amplifier utilizing individually cooled vanes in the RF slow-wave circuit. Specifically, a double helix coupled vane is machined to create a channel in the shape of a "U... | 05/23/1995 |
| 5256930 | Cooled plasma source A cooled plasma source for producing ions by electrical discharge. A cooled plate is positioned in the chamber of the plasma source for blocking thermal radiation from an electron-emitting cathode. The presence of the cooled plate results in significantly... | 10/26/1993 |
| 5198717 | High-power radiator In the cooling of UV high-power radiators, the cooling of the inner electrodes (5) which are at high tension potential is critical insofar as it is necessary to use fully demineralized water or oil for this purpose. Since a cooling body (9) must in any ev... | 03/30/1993 |
| 5159230 | Projection cathode ray tube with fluid heat exchanger A target assembly for a projection cathode ray tube is provided wherein the target member is cooled by convective fluid heat transfer occurring within and around a partially hollow support shaft screw. The target member is a solid block of relatively high... | 10/27/1992 |
| 4785216 | High powered water cooled xenon short arc lamp An arc lamp of the type having an internally integral reflector including an electrode which has an inlet passageway which deliver fluid to a point below the electrode tip and also has an outlet passageway to withdraw fluid from the electrode. The arc lam... | 11/15/1988 |
| 4700109 | Crossed-field amplifier An improvement to an existing crossed-field amplifier is shown which includes the replacement of an existing thermionic emitter with a larger platinum emitter. The platinum emitter is cooled from a surface opposite to the surface upon which a high voltage... | 10/13/1987 |
| 4477711 | Method and apparatus for plasma welding The invention relates to an apparatus to perform plasma welding, by providing a cooling water temperature detector at the inlet side of cooling water in the plasma welding torch, controlling the temperature at the inlet side of the cooling water running i... | 10/16/1984 |
| 4376908 | Impedance tapered dematron A crossed field amplifier including a linear, ladder type slow wave device ncluding an array of closely spaced parallel U-shaped rungs with a pair of oppositely wound helices running side-by-side inside said array, and a pair of trimmers running along each... | 03/15/1983 |
| 4367427 | Glow discharge lamp for qualitative and quantitative spectrum analysis A glow discharge lamp for qualitative and quantitative spectrum analysis having a discharge chamber closable on the cathode side by an electrically conductive disk at cathodic potential in which, to increase the luminous intensity and the accuracy of the ... | 01/04/1983 |
| 4341947 | Glow discharge heating apparatus Typically, a bottom of a cup-shaped electrode opposes to that of a similar electrode through a predetermined gap and in a mixture of helium and hydrogen. A step-up transformer connected across an AC source through a resistor applies a voltage in excess of... | 07/27/1982 |
| 4309637 | Rotating anode X-ray tube In rotating anode X-ray tubes it has not been the practice to provide anode cooling because of problems in arranging coolant flow. A further problem which has arisen, particularly in tubes for computerized tomography which should have precisely defined fo... | 01/05/1982 |
| 4274032 | High power liquid cooled double strapped vane type magetron A microwave device of the magnetron type comprises an anode block with straps which are located with respect to one another along the axis of the block and are electrically connected to respective vanes of resonators of the block, these vanes having like ... | 06/16/1981 |
| 4216405 | Large, indirectly heated, oxide-coated cathode for producing uniform plasmas A large cathode structure having a diameter on the order of 50 cm for producing uniform plasmas in a magnetic field. The cathode is oxide-coated and indirectly heated by a plurality of heater wires disposed in insulating tubes arranged parallel to each ot... | 08/05/1980 |
| 4196938 | Gas-discharge chamber electrode and electrode system using same A gas-discharge chamber electrode is proposed, comprising a hollow metal member with an emitting portion on the gas-discharge side and with coolant pipes. The hollow metal member is coated on the outside, except for the emitting portion, with a high-tempe... | 04/08/1980 |
| 4197481 | Magnetically focussed tube Magnetically focussed tube having a gate cooler separate from the anode cooler and of higher power capacity than previous magnetically focussed tubes. Other structural features include simplified anode and cooling jacket and heat barrier at ends of cathod... | 04/08/1980 |
| 4189656 | Cathode structure for a high power laser A cathode structure for a high power laser is formed from a first sheet of a hard metallic material such as molybdenum, which is joined to a second sheet of the same material by brazing, these first two sheets being brazed to a support structure of the sa... | 02/19/1980 |
| 4130773 | X-ray tube with liquid-cooled rotary anode A turbomolecular pump coaxial with the drive shaftof a rotary anode in an ray tube is provided between the radial seal of the drive shaft and the high vacuum space surrounding the rotary anode. A pot-shaped shell mounted on the drive shaft where the latte... | 12/19/1978 |
| 4076990 | Tube target for fusion neutron generator A target for a fusion neutron generator consisting of planar arrays of parallel tubes through which a cooling liquid is circulated. The target is relatively thin, and can be used to intercept two ion beams simultaneously, one on the front and the other on... | 02/28/1978 |
| 4034250 | Plasmatron A plasmatron comprises a casing wherein a water-cooled cylindrical hollow electrode is placed so that its bottom faces the power lead-in and the butt contacts an annular insulating vortex generator which contacts a water-cooled nozzle. The casing also hou... | 07/05/1977 |
| 4031424 | Electrode type glow discharge apparatus There is disclosed herein an electrode type glow discharge apparatus, such as that used for sputtering material from a cathode to provide a coating or the like on materials such as a substrate or substrates. Several exemplary embodiments are disclosed inv... | 06/21/1977 |
| 4028583 | High power-double strapped vane type magnetron A magnetron comprising a large vane-type, double-strapped anode structure with the vanes being cooled by liquid flowing in a channel immediately behind the surface bombarded by electrodes and the two pairs of straps passing through openings in the vanes, ... | 06/07/1977 |
| 3995187 | Electrode type glow discharge apparatus There is disclosed herein an electrode type glow discharge apparatus, such as that used for sputtering material from a cathode to provide a coating or the like on materials such as a substrate or substrates. Several exemplary embodiments are disclosed inv... | 11/30/1976 |
| 3991335 | Axial ion source for producing a high intensity beam for a cyclotron An axial ion source comprising a tubular anode having an axis XX, at the two ends of which there are placed a cathode located along said axis XX and anticathode which comprises a circular plate having an axis YY parallel to the axis XX, this plate being a... | 11/09/1976 |