Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7375302 | Plasma arc torch having an electrode with internal passages An electrode for a plasma arc cutting torch which minimizes the deposition of high emissivity material on the nozzle, reduces electrode wear, and improves cut quality. The electrode has a body having a first end, a second end in a spaced relationship relative to the... | 05/20/2008 |
| 7375303 | Plasma arc torch having an electrode with internal passages An electrode for a plasma arc cutting torch which minimizes the deposition of high emissivity material on the nozzle, reduces electrode wear, and improves cut quality. The electrode has a body having a first end, a second end in a spaced relationship relative to the... | 05/20/2008 |
| 7311851 | Apparatus and method for reactive atom plasma processing for material deposition Reactive atom plasma processing can be used to shape, polish, planarize, and clean surfaces of difficult materials with minimal subsurface damage. The apparatus and methods use a plasma torch, such as a conventional ICP torch. The workpiece and plasma torch are move... | 12/25/2007 |
| 7132618 | MERIE plasma reactor with overhead RF electrode tuned to the plasma with arcing suppression A plasma reactor for processing a semiconductor workpiece, includes reactor chamber having a chamber wall and containing a workpiece support for holding the semiconductor support, the electrode comprising a portion of the chamber wall, an RF power generator for supp... | 11/07/2006 |
| 6989505 | Plasma arc torch consumables cartridge A consumables cartridge for use in a plasma arc torch is provided that comprises a cartridge body and at least one other consumable component such as a tip or an electrode, for example. The consumables cartridge provides for ease of use and replacement of the torch ... | 01/24/2006 |
| 6933462 | Plasma processing apparatus for monitoring and storing lifetime usage data of a plurality of interchangeable parts A plasma processing apparatus capable of making an accurate lifetime assessment for each of plural consumable parts (the definition of “the consumable part” is an electrode and/or a nozzle) so that effective use of the consumable parts becomes possible leading t... | 08/23/2005 |
| 6888093 | Apparatus for proper alignment of components in a plasma arc torch A plasma arc torch includes a first consumable component having a longitudinally extending connection end. A second component in a coaxial relationship with the first consumable component has a bore defined therein into which the connection end of the first componen... | 05/03/2005 |
| 6160238 | Tunable molten oxide pool assisted plasma-melter vitrification systems The present invention provides tunable waste conversion systems and apparatus which have the advantage of highly robust operation and which provide complete or substantially complete conversion of a wide range of waste streams into useful gas and a stable... | 12/12/2000 |
| 6127645 | Tunable, self-powered arc plasma-melter electro conversion system for waste treatment and resource recovery The present invention provides a relatively compact self-powered, tunable waste conversion system and apparatus which has the advantage of highly robust operation which provides complete or substantially complete conversion of a wide range of waste stream... | 10/03/2000 |
| 6084201 | Method of forming an oxide ceramic electrode in a transferred plasma arc reactor A method is provided for forming a molten oxide ceramic electrode for a plasma arc ignited between first and second electrodes within a plasma arc chamber, wherein the conductivity the oxide ceramic is a function of temperature alone. Following ignition o... | 07/04/2000 |
| 6028286 | Method for igniting a plasma inside a plasma processing reactor The invention relates to a plasma processing reactor for processing a substrate. The plasma processing reactor includes a process chamber. The plasma processing reactor further includes an inductive coil configured to be coupled to a RF power source havin... | 02/22/2000 |
| 5938944 | Plasma transferred wire arc thermal spray apparatus and method A plasma transferred wire arc thermal spray apparatus and method producing an extended-arc and supersonic plasma jet stream for applying a dense metallic coating on a substrate, such as a concave internal surface of a bore. The apparatus includes a plasma... | 08/17/1999 |
| 5808270 | Plasma transferred wire arc thermal spray apparatus and method A plasma transferred wire arc thermal spray apparatus and method producing an extended-arc and supersonic plasma jet stream for applying a dense metallic coating on a substrate, such as a concave internal surface of a bore. The apparatus includes a plasma... | 09/15/1998 |
| 5798497 | Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery The present invention provides a relatively compact self-powered, tunable waste conversion system and apparatus which has the advantage of highly robust operation which provides complete or substantially complete conversion of a wide range of waste stream... | 08/25/1998 |
| 5773785 | Plasma cutting apparatus for concrete structures A compact plasma cutting apparatus suitable for the thermal cutting of concrete structures includes a sealed housing to which a plasma gas is fed under pressure. A metal strip that serves as an outer hollow electrode is bent such that a widthwise section ... | 06/30/1998 |
| 5618451 | High current plasma arc welding electrode and method of making the same The elongated welding electrode is for plasma arc welding. It has a welding flux material coated on an elongated metal core. Gaps are formed in the flux coating and located at even intervals along the entire length of the electrode. The ratio of the melti... | 04/08/1997 |
| 5468295 | Apparatus and method for thermal spray coating interior surfaces A method of thermal spray coating a surface with a metal coating material includes the provision of a nozzle about a thermal spray coating apparatus, such as a two wire electric-arc apparatus. The nozzle includes a plurality of ports facing generally radi... | 11/21/1995 |
| 5046145 | Improved arc reactor with advanceable electrode There is disclosed an arc reactor for treating a material in powder form conductive at very high temperatures, the reactor comprising a vertical electrically insulated sleeve cylindrical in shape, an upper electrode coaxially mounted with the sleeve at it... | 09/03/1991 |
| 4928879 | Wire and power thermal spray gun A thermal spray gun, for spraying wire and powder simultaneously at high velocity to produce a dense and tenacious coating, comprises a nozzle and a gas cap extending from the nozzle. Combustible gas is injected from the nozzle coaxially into the combusti... | 05/29/1990 |
| 4812166 | Process for producing ultrafine particles of metals, metal compounds and ceramics and apparatus used therefor Ultrafine particles of metals, metallic compounds, and ceramics can be produced by heating a starting material supplied hermetically with a plurality of direct current plasma currents combined at a central axis of a work coil for generating high frequency... | 03/14/1989 |
| 4788402 | High power extended arc plasma spray method and apparatus A high voltage, high current is applied between a cathode electrode and a conductive body forming a spray nozzle and acting as a second anode electrode aligned with the first electrode and being spaced therefrom. A vortex flow of plasma-producing gas is e... | 11/29/1988 |
| 4769524 | Plasma electrode Disclosed herein is an electrode which may be used in plasma cutting torches which has a superior service life over similar electrodes found in the prior art, due to a design which improves cooling of the electrode, and which allows advancement and resurf... | 09/06/1988 |
| 4762977 | Double arc prevention for a transferred-arc flame spray system A method and apparatus for reliable flame spraying utilizes a transferred arc from a plasma torch as created between the cathode electrode coaxial with the plasma torch nozzle and the end of at least one wire or rod fed into the transferred arc axially be... | 08/09/1988 |
| 4622452 | Electric arc vapor deposition electrode apparatus An electrode apparatus for an electric arc vapor deposition machine has an electrode body with a coaxially aligned stud threaded into its rear surface and projecting substantially perpendicularly thereto. The distal end of the stud is threaded for rapid d... | 11/11/1986 |
| 4370538 | Method and apparatus for ultra high velocity dual stream metal flame spraying A high velocity gaseous accelerating secondary jet stream in the form of the products of combustion of an internal burner is directed as a converging annular flow about and into a primary jet stream of high temperature bearing melted particles to accelera... | 01/25/1983 |
| 4195216 | Plasma welding In plasma welding apparatus controls are provided which regulate the rates of increasing and decreasing the welding parameters e.g., welding current, gas flow and wire feed to prevent the formations of craters in the weld at the end of a welding run. Impr... | 03/25/1980 |
| 4174477 | Method of and device for arc welding A method of plasma MIG welding in which an arc is maintained between a workpiece and a welding wire in a thermally ionized gas (auxiliary plasma) which is generated by an electric gas-discharge between two non-consumable electrodes; neither the welding wi... | 11/13/1979 |
| 4162389 | Welding apparatus In a welding apparatus for overlaying on a base metal, a reverse polarity soft plasma arc is formed between an electrode and the base metal and a welding rod is fed into the arc to weld the base metal by melting the welding rod and the feeding speed of th... | 07/24/1979 |
| 4159410 | Method and apparatus for applying molten filler material A filler material such as in wire form is applied to the work surface of a workpiece through a method and apparatus which moves the wire in a reciprocating motion, alternatively to withdraw from and then reinsert the end of the wire into a molten weld poo... | 06/26/1979 |
| 4147917 | Method and device for plasma-MIG-welding Plasma-MIG welding involving the use of two parallel consumable electrodes axially introduced into a plasma arc initiated by a non-consumable electrode and out through a nozzle. All three electrodes are maintained at a positive polarity whereby a substant... | 04/03/1979 |
| 4146772 | Method of and device for plasma-MIG welding Plasma-MIG welding in which a thermally ionizable inert gas is flowed past a starter non-consumable electrode through a nozzle non-consumable electrode toward a workpiece, firstly a plasma arc is established between such starter non-consumable electrode a... | 03/27/1979 |
| 4048465 | Method and torch for sustaining multiple coaxial arcs A torch having a first non-constricting arc electrode disposed within the longitudinal bore of a second non-constricting arc electrode with the ac attachment end of the second arc electrode being annular in cross-section and extending a predetermined dist... | 09/13/1977 |
