Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7781699 | Plasma torch with post flow control A system for the efficient utilization of plasma torch post arc cooling gas includes a controller configured to automatically determine a post arc gas flow duration. The controller monitors a plasma arc parameter associated with a temperature of the plasma torch at ... | 08/24/2010 |
| 7371994 | Buried arc welding of integrally backed square butt joints Buried arc welding is employed to fuse together a first component, a second component, and a third component or an underlying portion of the second component, the first and second components in butting relationship along a butting joint and the third component or un... | 05/13/2008 |
| 7235758 | MIG-plasma welding A welding system comprises a combined torch that includes a consumable electrode and a non-consumable electrode positioned so that their respective axes form an acute angle and so that arcs initiated from the electrodes intersect a workpiece plane to define an impin... | 06/26/2007 |
| 7230201 | Apparatus and methods for controlling charged particles Among the embodiments of the present invention, are apparatus, systems, and methods for managing energetic charged particles emitted nearly isotropically from a fusion device. One apparatus of the present invention includes a fusion device in a container and an elec... | 06/12/2007 |
| 7161115 | Magnetically impelled arc butt welding of pipelines The present invention is a method and a vehicle-mounted apparatus (30) for laying pipelines in which adjacent pipe (17, 28) are joined by the technique of magnetically impelled arc butt welding (MIAB). A MIAB welding head (13) having a welding a... | 01/09/2007 |
| 7122761 | Friction processing weld preparation A weld preparation process that translates a consumable or nonconsumable tool over an area that is subsequently to be welded to impart friction heating to the surface. Rotary or linearly oscillated motion between the tool and the workpiece is used to generate heat a... | 10/17/2006 |
| 7099129 | Ground fault circuit interrupter incorporating miswiring prevention circuitry A ground fault circuit interrupter (GFCI) with built in intelligence is described that includes circuitry to automatically indicate a device miswiring condition. When a GFCI is wired with its AC and LOAD terminals reversed, downstream devices are still protected in ... | 08/29/2006 |
| 7045741 | Electric arc welding device, method of welding metal sheets to metallic counterpieces, and welding element An electric arc welding device (10) for butt welding metallic sheets (12; 72; 80; 90; 92; 94; 100) is provided having an elongated face (22) onto metallic counterpieces (14), having a holding device (16; 16, 74) for holding a sheet... | 05/16/2006 |
| 7041932 | Apparatus and method for supplying a continuous source of wire An apparatus and method for supplying a continuous source of wire includes a base supporting at least first and second sources of wire, a wire joining apparatus adjacent the base configured to weld a first wire from the first source with a second wire from the secon... | 05/09/2006 |
| 6936145 | Coating method and apparatus A method and apparatus used for the application of plating/coating in a cathodic arc process to improve coating uniformity, deposition rates, quality, cost, packaging, arc triggering, target wear and other improvements is described in the patent. The process improve... | 08/30/2005 |
| 6630642 | Welding apparatus for sleeves For arc welding a sleeve 3 to a workpiece surface 2, a sleeve holder 1 is surrounded by a field-former unit which contains a magnet coil 4, a magnetic flux return member 6 and a field former 7. A magnetic field is generated with a field component extendin... | 10/07/2003 |
| 6617547 | Arc stray controlling welding apparatus A welding apparatus controlling a position of a welding arc, having a welding head housing an electrode producing the welding arc in a working zone. The apparatus has an electromagnet compensating a magnetic field in the working zone and at least two phot... | 09/09/2003 |
| 6593539 | Apparatus and methods for controlling charged particles Among the embodiments of the present invention, are apparatus, systems, and methods for managing energetic charged particles emitted nearly isotropically from a fusion device. One apparatus of the present invention includes a fusion device in a container ... | 07/15/2003 |
| 6492613 | System for precision control of the position of an atmospheric plasma Multiple plasma jet path sensing positions and multiple localized steering magnetic fields for each plasma jet leg in an atmospheric plasma jet control system are described for a precise control over positions of plasma jet legs as well as their direction... | 12/10/2002 |
| 6414265 | Method and apparatus for drawn arc welding with magnetically impelled arc A method and apparatus for drawn arc welding includes the step of applying a magnetic field transversely to the arc to impel the arc along the welding gap. The invention permits tubular components to be welded using drawn arc welding, but is useful in wel... | 07/02/2002 |
| 6337455 | Process and apparatus for transforming metal material A metal material is formed into a wire material, and an end of the wire material is molten by an electric discharge. A molten sphere formed by the melting of the end is flied by a gas flow. Thus, a material having a high melting point can be ejected.... | 01/08/2002 |
| 6211489 | Method of magnetically impelled arc butt welding A press welding process which can be used in such industries as car-making, production of hot-water boilers, industrial and civil construction, in construction of pipelines using small and medium diameter pipes, for welding parts with a solid and develope... | 04/03/2001 |
| 6069334 | Electroslag strip overlay method An apparatus and method for depositing an overlay material onto a metal surface. An electroslag strip overlaying process which distributes flux through a trailing flux tube and a forward flux tube eliminates many of the problems associated with electrosla... | 05/30/2000 |
| 6040548 | Apparatus for generating and deflecting a plasma jet A plasma jet generator apparatus enabling effective deflection of the generated plasma jet is described. The apparatus has an electrode chamber having a gas inlet and an outlet and an electrode positioned therein defining an electrode axis. A pair of magn... | 03/21/2000 |
| 6028283 | Assembly and method for welding An assembly for welding includes a frame member and a plurality of repositionable torches supported by the frame member adjacent a linear path of travel of a metal strip. The method includes the steps of welding the metal strip, ascertaining the character... | 02/22/2000 |
| 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 |
| 6023043 | Method of welding in the horizontal position and welding apparatus therefor The object of this invention is to prevent the occurrence of welding defects such as undercuts, overlaps and faulty angles of fusion, and to increase the efficiency of welding in the horizontal position. Auxiliary wires 5a and 5b are inserted into molten ... | 02/08/2000 |
| 5981904 | Tandem cathodic cleaning device for wire A wire cleaner having a chamber and containing an arc ring for passing a wire therethrough, such that when the wire and arc ring are provided with opposite electrical potentials, an electric arc discharge occurs from the wire to the arc ring which carries... | 11/09/1999 |
| 5948294 | Device for cathodic cleaning of wire A wire cleaner having a chamber and containing an arc ring for passing a wire therethrough, such that when the wire and arc ring are provided with opposite electrical potentials, an electric arc discharge occurs from the wire to the arc ring which carries... | 09/07/1999 |
| 5932121 | Welding method in the overhead and vertical positions The object of this invention is to prevent a defect which occurs in overhead or vertical welding when gravity causes molten metal to drip downward so that the top of the gap has an undercut and the bead has a bulge along the weld line (i.e., a convex bead... | 08/03/1999 |
| 5830377 | Method and apparatus for providing a stabilized plasma arc This disclosure relates to a stabilized plasma injector device specifically adapted to incubate, shape and develop plasma under the influence of an adjustable electromagnetic field to provide ignition and further promote energy coupling between the plasma... | 11/03/1998 |
| 5773787 | Plasma-gun voltage generator The Plasma-Gun Voltage-Generator (PVG) uses a pulsed plasma-flow to displace magnetic flux, thereby inducing high voltages across multi-turn coils. Typical operating parameters are voltages of 0.5 to 1 MV, pulsetimes in the microsecond regime and output i... | 06/30/1998 |
| 5767627 | Plasma generation and plasma processing of materials A plasma generation system includes one or more pairs of electrode units. Each electrode unit emits a plasma carrying gas along a respective axis. Each pair of electrode units is connected to an electric power supply that creates an electric discharge thr... | 06/16/1998 |
| 5726412 | Linear microwave source for plasma surface treatment The invention relates to a linear microwave source for the treatment of surfaces comprising: a tight enclosure (1), means (B1, B2 ; A1, A2) for producing a magnetic field in the enclosure and for generating a plasma ... | 03/10/1998 |
| 5719371 | Plasma torch with integrated independent electromagnetic coil for moving the arc foot The present invention concerns a plasma torch with an integrated independent electromagnetic coil for moving the arc foot. The torch includes a bare torch portion housing a single upstream electrode or a pair of coaxial upstream and downstream electrodes.... | 02/17/1998 |
| 5688417 | DC arc plasma torch, for obtaining a chemical substance by decomposition of a plasma-generating gas DC arc plasma torch, in particular intended for obtaining a chemical substance from a plasma-generating gas (P) which includes said substance. According to the invention: the electrode (2A) is in communication with the chamber (3) for injecting the plasma-gene... | 11/18/1997 |
| 5674416 | Arc treatment of metal surfaces A method and apparatus for graining a surface having a substantial area traveling at a substantial rate of speed. The method includes directing the surface past an array of electrical arcs traveling about a plurality of loop electrodes arranged to provide... | 10/07/1997 |
| 5635087 | Apparatus for plasma-assisted high rate electron beam vaporization It is known that improved coating properties can be obtained by plasma action in vacuum deposition, especially by vaporization. Substantially higher coating rates can be attained in vapor deposition, but, with high plasma densities, they result in excessi... | 06/03/1997 |
| 5585696 | High current density glow discharge switch The present invention is directed to a high current density glow discharge switch which is capable of preventing confinement of an electron current to the vicinity of the center of a flat electrode during the operation of the switch to prevent an increase... | 12/17/1996 |
| 5508492 | Apparatus for extending broad metal surface areas with a magnetically impelled arc Apparatus for electric arc graining the surface of a traveling electrically conductive workpiece, the surface having a substantial area. The graining is effected by a continuous loop electrode having an elongated main body portion and an elongated continu... | 04/16/1996 |
| 5500501 | Torch device for chemical processes A plasma torch includes an arc having a generator for producing an axial field in the arc's area of operation in which one or more bodies of ferromagnetic material are placed along the torches central axis; the body is in the form of an element incorporat... | 03/19/1996 |
| 5481084 | Method for treating a surface such as a metal surface and producing products embodying such including lithoplate Substantial surface areas can be treated by continuously magnetically moving an electric arc around a general loop direction such as a circle, ellipse or oval and moving the surface so that the arc treats a substantial surface area. The arc treatment can ... | 01/02/1996 |
| 5462609 | Electric arc method for treating the surface of lithoplate and other metals An essentially flat "arc-grained" surface of a sheet of aluminum alloy is produced with a coarse and non-uniform microstructure which, after it is coated with a durable phosphate-free coating, provides excellent lithoplate. Though such arc-grained microst... | 10/31/1995 |
| 5414234 | Stud welding method A welding comprises placing the end of a stud supported by a welding gun on a welding portion of a workpiece, producing an arc discharge across the stud and the workpiece, melting the end of the stud and a portion of the workpiece and bringing the end of ... | 05/09/1995 |
| 5393954 | Plasma torch with power supply for equalizing wear to prolong the lifespan of an electrode of the torch The plasma torch (10; 11, 12, 14) comprises an electrical power supply (20) with an arc circuit (21) and a coil circuit (22) which are mounted in series and with means (30) for controlling the level of the current flowing in the coil (22) consisting, inte... | 02/28/1995 |
