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| Number | Title | Issue Date |
| 7575710 | High flow gas saver A gas flow control system for a gas fuelled torch including four gas passages controlled by four on-off valves and a control device. The control device can be used to actuate the valves in different combinations, thereby shutting off both fuel and oxygen flows, or a... | 08/18/2009 |
| 7537723 | Thermal lance assembly An improved thermal lance is made of a low carbon steel sheath having an internal bore and a thin cylindrical rod that is roll-formed from low carbon steel sheet. The rod being sized for conforming fit in the bore of the sheath and has a length dimension that is lon... | 05/26/2009 |
| 7377987 | Steel cutting system and method A steel cutting system has a cutting torch on a first side of a slab of steel. A pair of oxygen jets is placed on a second side of the slab of steel. ... | 05/27/2008 |
| 7378051 | Method and apparatus for slitting steel slabs A cutting table assembly for oxy cutting comprising a cutting table having a slab loading face and mounted for pivotal movement between a loading position in which the loading face is generally horizontal and a cutting position in which the face is oblique, and a pa... | 05/27/2008 |
| 7300277 | Torch operable to position a flow control lever at a plurality of locations on the torch A torch operable to pivotally secure a lever on opposite sides of the torch. The torch may comprise a torch butt, a valve assembly, and a lever. The valve assembly may be operable to control a flow of a fluid through the torch butt. The lever may be selectively secu... | 11/27/2007 |
| 7252297 | Safety welding cart A safety welding cart structure having a metal box for holding pressurized gas cylinders, a firewall separating the cylinders, individual clamping devices to secure the cylinders, and shelves extending from the back of the box forming a cart set upon a four-wheeled ... | 08/07/2007 |
| 7250132 | Apparatus for enabling fabrication of accurate angular cuts in a pipe An apparatus for enabling fabrication of accurate angular cuts in a pipe includes a first fixture adapted to be clamped on a pipe and adjusted relative to the pipe so as to define a substantially planar surface aligned with a desired cut angle relative to a longitud... | 07/31/2007 |
| 7241973 | Welding accessory arrangement A welding accessory system for a welder that includes a welder having a welder housing and at least one welding accessory support connected to the welder housing to support at least one welding accessory of a welder. The one or more welding accessory supports includ... | 07/10/2007 |
| 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 |
| 7153489 | Method of producing hydrogen A method of producing hydrogen is disclosed and which includes providing a first composition; providing a second composition; reacting the first and second compositions together to produce a chemical hydride; providing a liquid and reacting the chemical hydride with... | 12/26/2006 |
| 7122762 | Implementation system for continuous welding, method, and products for the implementation of the system and/or method Apparatus and method for use with a welding system. The apparatus and method provides a fluid bath which allows a welding nozzle of the welding system to be dipped into, for example, a friction reducing agent. ... | 10/17/2006 |
| 7122147 | Emergency cutting torch system An emergency cutting torch system adapted to be stored within a compartment of a rescue vehicle. The emergency cutting torch system may comprise a wheeled cart adapted to maintain a first gas storage tank and a second gas storage tank to the wheeled cart in all orie... | 10/17/2006 |
| 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 |
| 7078012 | Method of producing a high pressure gas A method of producing a high pressure gas is disclosed and which includes providing a container; supplying the container with a liquid such as water; increasing the pressure of the liquid within the container; supplying a reactant composition such as a chemical hydr... | 07/18/2006 |
| 7063814 | Accelerated steel cutting methods and machines for implementing such methods A method for cutting steel includes heating a portion of the steel until it is molten, positioning a cutting torch to have a high angle of incidence relative to the molten steel, and blasting high pressure oxygen at the molten metal. The blast of high pressure oxyge... | 06/20/2006 |
| 7052646 | Igniter for oxygen lance for thermal cutting, drilling etc. In accordance with the method and the device according to the invention, previous pure pyrotechnic primers for initiating the ignition charges (6a, 6b) of the oxygen lance igniters (13) are replaced by a small quantity of powdered ... | 05/30/2006 |
| 7045022 | Removal of adherent molten metal from surfaces The present invention provides a method and process for removing adherent molten metal from a surface by applying a non-wetting agent for the metal to the surface or to the adherent molten metal. The non-wetting agent may be a pressurized fluid or applied by a press... | 05/16/2006 |
| 7011789 | Slag scraper for cutting table A scraper removes debris from under a work table, particularly slag resulting from cutting of metal. A pair of parallel tracks extends along opposite sides of a collection area under the table. A blade carriage is carried on the tracks and driven between forward and... | 03/14/2006 |
| 7007737 | Slab handling apparatus A slab handling apparatus comprising a foundation structure, a plurality of longitudinally spaced buffer members positioned on the foundation structure, and a plurality of longitudinally spaced roller assemblies connected to the respective buffer members with a lost... | 03/07/2006 |
| 6992266 | Welding accessory arrangement A welding accessory system for a welder that includes a welder having a welder housing and at least one welding accessory support connected to the welder housing to support at least one welding accessory of a welder. The one or more welding accessory supports includ... | 01/31/2006 |
| 6979422 | Active flashback arrestor for use with head of a torch Flashback protection is provided proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a check valve and porous structure for restricting flashback. ... | 12/27/2005 |
| 6964215 | Rotary positioning multi-faced tooling fixture and associated methods A tooling fixture for rotatably positioning a plurality of workpieces includes a base and a housing carried by the base. A plurality of workpiece spindles are carried by the housing. The tooling fixture also includes a spindle drive assembly for rotatably positionin... | 11/15/2005 |
| 6955066 | Method and system for coating a glass contacting surface with a thermal barrier and lubricous coating A method and system for coating a glass contacting surface with a thermal barrier and lubricious coating. The system uses a novel exterior surface mixing tip device wherein oxygen is supplied through a predetermined portion of one supply line, and a predetermined ga... | 10/18/2005 |
| 6947802 | Centralized control architecture for a laser materials processing system Apparatus, systems, and methods for monitoring the processing of a workpiece that includes directing an incident laser beam onto the workpiece and using an optical detector for measuring a signal emitted from the workpiece as a result of the incident laser beam. The... | 09/20/2005 |
| 6930282 | Welding accessory arrangement A welding accessory system for a welder that includes a welder having a welder housing and at least one welding accessory support connected to the welder housing to support at least one welding accessory of a welder. The one or more welding accessory supports includ... | 08/16/2005 |
| 6824735 | Gas cutting torch A gas cutting torch has a body including an oxygen preheat tube having a first longitudinal axis and a fuel gas preheat tube having a second longitudinal axis. A head is connected to the preheat tubes having an oxygen passage communicating with the oxygen preheat tu... | 11/30/2004 |
| 6805832 | Thermite torch cutting nozzle An improved nozzle for thermite cutting torches provides an elongated nozzle dimensioned and configured to direct a maximized flow of cutting flame to the desired cutting location on a workpiece. The nozzle includes an exterior wall defining the nozzle face having a... | 10/19/2004 |
| 6764640 | Torch-based cutting tool A torch cutting tool has a clamp that is attached to a workpiece with the clamp having a rotating platform with an attached first latch member. A second latch member is attached to a track with a moveable carriage on which is mounted a positioning arm with a torch h... | 07/20/2004 |
| 6758875 | Air cleaning system for a robotic welding chamber A robotic welding station cleaning assembly (10) for removing particulates from an air-filled chamber surrounding a welding robot (12). A frame (14) is positioned about the robot (12) and includes a top (20) defining an opening ( | 07/06/2004 |
| 6712911 | Flame-cutting of cold or hot slabs using one or more oxycutting torches The invention concerns a procedure for flame-cutting a slab using at least one oxycutting torch at a workstation and a device for implementing this procedure. The slab and the oxycutting torch are moved in relation to each other, with the slab arranged in a cutting ... | 03/30/2004 |
| 6713016 | System for thermally treating workpieces with an explosive gas mixture, in particular, a thermal deburring system A system for the thermal treatment of work pieces with an explosive gas mixture, in particular, a thermal deburring system, has a processing chamber (10), which includes a combustion chamber (12) for receiving the work pieces. A supply channel (18 | 03/30/2004 |
| 6696012 | Ring gear mounted rack adjustable torch arm carriage assembly with out-of-round capability A torch carriage assembly for use in bevel cutting a pipe has a ring gear which rotates concentrically about the pipe longitudinal axis. A shaft extending perpendicularly from the ring gear carries a torch arm block assembly which positions the cutting to... | 02/24/2004 |
| 6668908 | Method of torch-cutting steel A method of torch-cutting steel, typically slab steel, produced by continuous casting wherein a cutting torch is fueled with propylene and oxygen and wherein the fuel is mixed and combusted on the surface of the slab thus permitting the cutting of the sla... | 12/30/2003 |
| 6663824 | Method and apparatus for cutting steel to reduce slag adherence A steel cutting apparatus includes a cutting torch that is moved in an arcuate path for guiding the cutting torch so that a cutting flame of the cutting torch is always aimed at a bottom corner of the steel at the side where the cutting process begins. Mo... | 12/16/2003 |
| 6649123 | Apparatus for the scanning of working levels An apparatus for scanning the working level of a cutting tool relative to the surface of a workpiece and provided with a scanning arm adapted to move relative to the surface of the work piece and movable in response to an irregularity in the surface for o... | 11/18/2003 |
| 6620373 | Cutting torch guide A cutting torch guide is described in which a block is formed with a torch tip stop flange that defines a torch tip abutment plane and that is shaped to abut with and angularly position a torch tip with respect to a workpiece plane. An angle iron edge rec... | 09/16/2003 |
| 6582529 | Arrangement for seam preparation The unique in the construction is a number of important components and parts: a) the plate holder in molded aluminium; its double function and shaping in order to be able to be used as both a holder for plates and also serve for transfer of the circular m... | 06/24/2003 |
| 6576183 | Profile cutting apparatus A cutting apparatus comprises a machine bed support (1) having a quarter circle profile as seen from above and carrying a workpiece supporting platform (5). The workpiece may be a steel plate (6). The rear of the apparatus has an upstanding post (2) formi... | 06/10/2003 |
| 6534739 | Oxygen cutting of slabs The invention involves a process for the oxygen cutting of slabs--using one or more oxygen cutting torches--and a device for implementing the process. The process includes the steps of hanging the slab (16) using one or more electromagnets (14) separated ... | 03/18/2003 |
| 6508975 | Automated internal pipe cutting device The invention is a remotely controlled internal pipe cutting device primarily used for cutting pipes where the outside of the pipe is inaccessible at the line where the cut is to be made. The device includes an axial ram within a rotational cylinder which... | 01/21/2003 |