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| Number | Title | Issue Date |
| 8168915 | Cutting torch splatter and glare guard A cutting torch splatter and glare guard includes a collar that is structured for releasable engagement with a cutting torch. The collar has first and second collar portions that are biased towards a first position for engagement with the cutting torch and movable a... | 05/01/2012 |
| 8153925 | Heat exchanger and moisture removal for a plasma cutting system A system is provided that includes a torch power unit. The torch power unit includes a compressor and a moisture remover coupled to the compressor. A method is provided that includes compressing a gas via compressor and removing moisture from the gas via a moisture ... | 04/10/2012 |
| 8129655 | Electrophoretic medium with gaseous suspending fluid An electrophoretic medium (102) comprises a plurality of capsules (104), each capsule comprising an internal phase comprising a plurality of electrophoretically mobile particles (106, 108) in a gaseous suspending medium, and a capsule wall surro... | 03/06/2012 |
| 8089024 | Torch spacing apparatus A torch spacing apparatus for a plasma or flame cutting machine includes a gantry that is guided to travel in an X axis. Mounted to the gantry is at least one carriage that is/are guided to travel in a Y axis. Mounted to each carriage are selected tooling having at ... | 01/03/2012 |
| 8053699 | Electrical pulse circuit An electrical pulse circuit is disclosed. The electrical pulse circuit is in connection with a first pair of electrodes defining a first gap between ends thereof and a second pair of electrodes defining a second gap between ends thereof. The second gap is disposed p... | 11/08/2011 |
| 8008596 | Plasma processing apparatus and electrode used therein A plasma processing apparatus performs a specific plasma processing on a target substrate by disposing a first and a second electrode to face each other in a processing chamber, and supplying high-frequency electric power to at least one of the first and the second ... | 08/30/2011 |
| 7960669 | Hybrid thermal cutting apparatus A hybrid thermal cutting apparatus has both a laser head and a plasma torch, both of which can be controlled independently, can perform both laser processing and plasma processing, thus reducing the running costs. A large number of cutting lines for cutting out vari... | 06/14/2011 |
| 7888618 | Steam cutting device The invention relates to a steam cutting device (1), comprising at least one container (5), for a fluid (8), a current source (2), a controller (3) and a burner (6), connected to the container (5), by means of a suppl... | 02/15/2011 |
| 7820935 | Burner A burner design used for thermal treatment of a surface of materials is presented. The burner includes a tubular electrode, a nozzle, a removable rod-shaped electrode which are arranged to form a discharge chamber, a means for vapor generation in the form of a reser... | 10/26/2010 |
| 7763824 | Cable management system for plasma cutter The present invention is related to a cable management system for a plasma cutter. The cable management system uses a flexible strap that is affixed to the housing of the plasma cutter and a loop is formed in the cable. The loop can be opened to align and position t... | 07/27/2010 |
| 7709765 | Networking architecture for thermal processing system A thermal processing system includes a thermal torch for processing a workpiece, a power supply for providing power to the thermal torch, a positioning system for relatively moving the thermal torch and the workpiece, a controller for controlling the thermal process... | 05/04/2010 |
| 7674998 | Cutting machine To enable the amount of air capable of bringing smoke to the vicinity of a discharge opening of a gas discharge chamber to be sent into the gas discharge chamber. A cutting machine has gas discharge chambers arranged side by side by partitioning the inside of a tabl... | 03/09/2010 |
| 7582844 | Torch handle gas control Devices and methods are provided that control gas flow to a plasma arc torch local to a torch handle. Generally, a plasma arc torch is provided that comprises a gas control device operable with a torch lead and a torch head, and an activation member operable with th... | 09/01/2009 |
| 7411149 | inverter powered plasma cutting system with fixed gas flow control A lightweight and compact plasma cutting system includes a power source having an inverter and a non-adjustable regulator enclosed within the power source. The inverter is configured to generate a power signal suitable for a plasma arc process and the non-adjustable... | 08/12/2008 |
| 7365019 | Atmospheric process and system for controlled and rapid removal of polymers from high aspect ratio holes A system that generates an intense hot gas stream is described to etch a polymer on a substrate used in the manufacture of semiconductor and MEMS devices with no surface damage. The etching process is particularly useful to remove a polymer from relatively high aspe... | 04/29/2008 |
| 7328510 | Elbow rotator An elbow rotator apparatus for rotating an integrally formed section of an elbow workpiece includes a pair of gripping arms which are selectively positionable in a first position displaced from the elbow workpiece, and a second position in which the gripping arms ar... | 02/12/2008 |
| 7326874 | Vented shield system for a plasma arc torch Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body, and a shield cap secured to the vented retainer. The vented retainer ... | 02/05/2008 |
| 7323827 | Ripple reduction method for electronic ballasts A rectifying circuit converts an alternating current (AC) voltage to a first direct current (DC) voltage. A filter filters the rectified first DC voltage and outputs the filtered first DC voltage which includes an alternating current (AC) voltage component or ripple... | 01/29/2008 |
| 7324331 | System and method for providing and receiving electric power through telephone wire-pairs Converter modules for providing and receiving electric power through a single telephone wire-pair and related systems and methods. In one embodiment, a converter module for providing electric power to a single telephone wire-pair includes: (1) a DC/DC boost converte... | 01/29/2008 |
| 7312582 | Electronic ballast An electronic ballast for driving at least one lamp comprising a rectifying circuit operatively connectable to an AC line; a current drawing circuit connected across said rectifying circuit; and an inverter circuit connected to said rectifying circuit that supplies ... | 12/25/2007 |
| 7276863 | LED array driving apparatus and backlight driving apparatus using the same The present invention relates to an LED array driving apparatus and a backlight driving apparatus using the same which enables regulation of analogue and PWM dimming for each channel and LED of a backlight, thereby allowing uniform luminance and color in all regions... | 10/02/2007 |
| 7202440 | Dual mode plasma arc torch A dual mode plasma arc torch is provided that preferably comprises a start cartridge disposed between an electrode and a tip. In one form, the start cartridge comprises an initiator that is in electrical contact with the electrode and that is resiliently biased into... | 04/10/2007 |
| 7186947 | Process monitor for laser and plasma materials processing of materials A method for monitoring the processing of a workpiece includes directing an incident laser beam onto the workpiece and measuring a signal emitted from the workpiece. At least two signals are generated by a detector based upon the emitted signal. A workpiece processi... | 03/06/2007 |
| 7186944 | Method and apparatus for autodetection of plasma torch consumables A method and apparatus for automatically determining a consumable type when a consumable is disposed within an electrode holder of a welding-type system is disclosed. The invention includes a detector assembly that measures a physical characteristic of a connected c... | 03/06/2007 |
| 7176404 | System for quick disconnect of torch from power and gas supply unit A torch cable in which both the electrical connection and the pneumatic connection can be made concurrently in one motion by coupling the end of the torch cable to the exterior of the supply unit. The coupling further includes a quick disconnect feature. The torch c... | 02/13/2007 |
| 7161111 | Plasma torch having a quick-connect retaining cup A plasma torch assembly having a quick-connect retaining cup is disclosed. The plasma torch has a torch body constructed to receive an electrode therein. A retaining cup secures the electrode to the torch body by rotating the retaining cup less than approximately 36... | 01/09/2007 |
| 7156046 | Plasma CVD apparatus A plasma CVD apparatus in which microwave power is supplied into a reaction chamber provided inside an annular waveguide through an antenna provided on the inner peripheral part of the waveguide to produce a plasma inside the reaction chamber and to form a film by a... | 01/02/2007 |
| 7148446 | Method and apparatus for laser cutting sheet metal parts Method and device for cutting out sheet metal blanks preferably from a coil of a thin sheet metal strip , with stepped uncoiling and straightening of the metal strip in the longitudinal direction of the device on a processing platform. ... | 12/12/2006 |
| 7126082 | Automated laser engraver The invention pertains to a large format, plotter-style automated laser engraver which can be used to engrave various materials. A cabinet body supports a substantially flat work surface which can be raised or lowered as desired. A gantry assembly is mounted in clos... | 10/24/2006 |
| 7112759 | Plasma torch with interchangeable electrode systems A plasma torch is provided, comprising a first electrode holder configured to be received by the plasma torch and adapted to cut a thinner workpiece. The first electrode holder is configured to receive a first electrode assembly comprising a holder element having an... | 09/26/2006 |
| 7087855 | Plasma cutting apparatus and control unit thereof Cutting quality of the product, in particular, hole cutting quality, in plasma arc cutting is improved. A control unit, which controls a plasma cutting apparatus for cutting a product from a plate material by moving a plasma torch at a cutting speed along a cutting ... | 08/08/2006 |
| 7084367 | Temperature indicating consumable A method and apparatus for indicating a temperature of a torch consumable is disclosed. The invention includes a shielding cup constructed to be attached to a torch having a coating which indicates a temperature of the shielding cup during a welding/cutting process.... | 08/01/2006 |
| 7084368 | Thermal cutting machine and cutting method using same A thermal cutting machine and a cutting method using the same are described, which employ a simple, long-life torch hood for effectively shutting off spatter, the torch hood enabling easy supervision of the cut condition of a workpiece and easy replacement of the co... | 08/01/2006 |
| 7074112 | Apparatus that holds and tilts a tool The invention provides an apparatus that holds and tilts a tool over a tilt range and substantially about a vertex. The apparatus includes a base having pivots defining a base line and a base pivot distance. The apparatus also includes first and second pivot arms co... | 07/11/2006 |
| 7071441 | Cutting system controls, including height control A cutting system is disclosed for a plasma cutting torch movable by a driver relative to a work piece along a Z-axis. During cutting, the torch provides an arc voltage proportional to a distance between the torch and the work piece. A height control feedback circuit... | 07/04/2006 |
| 7067762 | Plasma cutting process and machine A plasma cutting machine is provided in which a dross adhesion inhibitor is jetted from a plasma torch toward the cutting start position (piercing position) of the object material. A dross adhesion inhibitor supply flow path for feeding the dross adhesion inhibitor ... | 06/27/2006 |
| 7064290 | Electric arc welder and method for controlling the welding process of the welder An operating system is provided for an electric arc welder including a high switching speed inverter power source for creating an arc voltage and arc current between an electrode and a workpiece. This operating system regulating the arc voltage to provide a voltage ... | 06/20/2006 |
| 7061189 | Electronic ballast An electronic ballast for driving a gas discharge lamp includes a rectifier, a valley-fill circuit, an inverter having first and second series-connected controllably conductive switches having complementary duty cycles, a control circuit for controlling the controll... | 06/13/2006 |
| 7049540 | Process and apparatus for cutting or welding a workpiece A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed stock of a conductive material. The heater melts the conductive material... | 05/23/2006 |
| 7049541 | Cutting guide for plasma torch A guide that is used in conjunction with a plasma cutting torch includes a main circular ring having a small circular ring mounted on the outer periphery thereof. The small ring includes a bearing assembly and accommodates the plasma cutting torch. A guide bolt is m... | 05/23/2006 |
