| Patents for B23K 7 - Cutting, scarfing, or desurfacing by applying flames (3,809) |
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| 04/06/1999 | US5891266 Method and system for cutting hub bores in railroad wheels |
| 03/31/1999 | CN2312092Y Atomizing type gasoline and oxygen torch for welding, cutting and heating |
| 03/30/1999 | US5888447 Self-Extinguishing burning bar |
| 03/17/1999 | EP0901866A2 Cutting machine with an apparatus designed for automatically controlling the starting height of a gun |
| 03/10/1999 | CN2309917Y No power consuption oxyhydrogen welding-cutting machine |
| 03/10/1999 | CN1210046A Multifunctional system for plasma cutting and electrical welding with gasoline and hydrogen-oxygen sources |
| 03/03/1999 | CN1209370A Liquified petroleum-gas cutting-welding machine |
| 03/02/1999 | US5876162 Apparatus for removing dross ridges from a metal workpiece |
| 02/11/1999 | DE19734380A1 Control of a flame cutting machine with an autogeneous cutting torch |
| 02/10/1999 | CN1042004C Scarfing method and apparatus |
| 02/03/1999 | CN1206641A Cutting system by using oil gas without using acetylene and oxygen and application thereof |
| 01/27/1999 | CN1205925A Centralized oil gasifier and its application in industrial mass hot cutting |
| 01/21/1999 | DE19739351C1 Coordinate thermal cutting machine |
| 01/06/1999 | CN1204274A Flame cutting machine with tool fixing device |
| 12/30/1998 | EP0807000B1 Gas distribution manifold for metal scarfing apparatus |
| 12/24/1998 | DE19725356A1 Holding device for a distance sensor for tools |
| 12/23/1998 | CN2301287Y Electronic ignition cutting torch |
| 12/16/1998 | CN2300470Y 氢氧焊割机 Hydrogen welding machine |
| 12/15/1998 | US5849243 Flexible acetylene cutting torch handle |
| 12/08/1998 | US5847358 Method and apparatus for removing material from metal workpieces moved relative to a laser removal tool |
| 12/03/1998 | WO1998053947A1 Combined support device for torch and extinguisher |
| 12/03/1998 | DE19743076C1 Thermal deburring of workpieces |
| 12/03/1998 | CA2291343A1 Combined support device for torch and extinguisher |
| 12/01/1998 | US5843292 Electrolysis systems |
| 11/25/1998 | CN2298094Y Oxyhydrogen plasma welding cut machine |
| 11/18/1998 | CN2297272Y Hydrolytic oxyhydrogen cutting and welding machine |
| 11/18/1998 | CN2297271Y Fully automatic oil-vapor-oxygen vaporization cutting and welding machine |
| 11/11/1998 | CN2296793Y Electrolyzing water hydrogen oxygen welding cutting machine |
| 11/11/1998 | CN2296792Y Cutting welder |
| 11/11/1998 | CN2296791Y Gasoline cutting welder |
| 10/28/1998 | CN2295555Y Oil gasifying and cutting apparatus for supplying multiple cutting torches simultanously |
| 10/28/1998 | CN2295554Y Oil gas cutting apparatus |
| 10/28/1998 | CN2295553Y Gasoline cutting apparatus |
| 10/28/1998 | CN2295552Y Water cooling hydrogen-oxygen welding and cutting apparatus |
| 10/08/1998 | WO1998043772A1 Metal powder dispenser for a cutting torch |
| 10/07/1998 | EP0868246A1 Flame cutting machine with tool fixing device |
| 10/07/1998 | CN2293412Y Gasoline & oxygen cutting & welding apparatus |
| 10/07/1998 | CN2293411Y Multiple oil & gas oxygenation cutting & welding equipment |
| 10/01/1998 | DE19709821A1 Apparatus for cutting up rails |
| 09/30/1998 | CN2292628Y Oxygen lance cutting machine |
| 09/23/1998 | CN2291988Y Improved hydrogen-oxygen gas cutting, welding machine |
| 09/22/1998 | US5810042 Device for ensuring the safety of the gas and oxygen supply to a cutting and welding torch, and a flow-pressure switch for use in said device |
| 09/16/1998 | CN2291249Y 气割组合装置 Combination gas cutting equipment |
| 09/16/1998 | CN1192951A Multi-oil-gas oxygen-added cutting welding apparatus |
| 09/08/1998 | US5804133 Motorized cutting torch attachment |
| 08/12/1998 | CN1190045A Gasoline-oxygen cutting welder |
| 08/11/1998 | US5792281 Having divided oxygen supply passage; operable in pilot mode and cutting mode |
| 08/04/1998 | CA2084395C Scarfing method and apparatus |
| 07/29/1998 | CN2286657Y Water electrolytic hydrogen-oxygen welding cut machine |
| 07/29/1998 | CN1189146A 切割耐火材料 Cutting refractories |
| 07/22/1998 | CN1039206C Spraying welding cut device |
| 07/21/1998 | US5782445 Mounting and locating device for a breakaway tool holder |
| 06/30/1998 | US5772954 Combined preheat and cutting oxygen valve for cutting torches |
| 06/24/1998 | CN2284627Y Fire-fighting self-rescuing apparatus |
| 05/20/1998 | CN2281861Y Digital controlled flame cutter |
| 05/05/1998 | CA2118381C Deflashing machine for continuous casting installation and rotor used therewith |
| 04/29/1998 | CN2279976Y Multi-function acetylene cutting machine |
| 04/15/1998 | EP0835231A1 Cutting refractory material |
| 03/19/1998 | DE19739976A1 Method for shearing off short sections of wire for providing wire electrode in electrical spark erosion machines |
| 02/25/1998 | CN2275000Y Water electrolytic hydrogen oxygen gas welding cutter |
| 02/24/1998 | US5720456 For a gas torch |
| 02/17/1998 | US5719375 Stiffener manufacturing method and apparatus thereof |
| 02/11/1998 | CN2274112Y Gas mixer for welding |
| 02/11/1998 | CN2274110Y Welding-cut dvice of propane, natural gas and liquified gas |
| 02/04/1998 | CN1172449A Gas distribution manifold for metal scarfing apparatus |
| 01/28/1998 | EP0820833A1 Device for cutting and welding a round in a plate |
| 01/07/1998 | CN2271943Y Safety flame retardant means for oxy-hydrogen welding cutter |
| 12/30/1997 | US5701652 Dismount method of large-sized tank by cutting the same and jack mechanism employed therefor |
| 12/10/1997 | CN2269918Y Efficient energy-saving oxygen cutting or welding device using oil gas |
| 12/02/1997 | US5693286 Cart mounting a welding torch or cutting torch |
| 11/20/1997 | WO1997043072A1 Mechanism for profiling connection portion of mutually penetrating bodies and pipe cutter |
| 11/19/1997 | EP0807002A1 Hand-operated cleaning device for cleaning the gas nozzle of a welding torch |
| 11/19/1997 | EP0807001A1 Driving device for the vertical adjustment of a gas cutting machine burner |
| 11/19/1997 | EP0807000A1 Gas distribution manifold for metal scarfing apparatus |
| 11/18/1997 | US5688469 Gas mixer for cutting torches |
| 11/18/1997 | CA2101822C Block assembly for use in scarfing apparatus |
| 11/12/1997 | CN2267119Y Cutting machine using oxygen and gasoline |
| 11/05/1997 | EP0668813B1 Tool holder, in particular for robot welding or cutting torches |
| 11/05/1997 | CN2266478Y Magnetic wheel semi-automatic torch cutting machine |
| 11/04/1997 | US5683821 Metal workpiece obtained by oxygen cutting |
| 10/29/1997 | EP0803678A2 Device for supporting a gas bottle |
| 10/29/1997 | EP0802843A1 Negative pressure chamber table for cutting apparatus |
| 10/07/1997 | CA2029522C Fluid cooled cutting torch adapted for operation with a premix and postmix nozzle |
| 10/01/1997 | EP0798072A1 Progressive-feed type automatic processing method for lengthy work and apparatus thereof |
| 10/01/1997 | EP0746441A4 Method and apparatus for torch working materials |
| 09/03/1997 | CN2261309Y Adjustable safety and energy saving acetylene generator |
| 07/29/1997 | US5651904 Method for removing material from metal workpieces moved relative to the removal tool |
| 07/16/1997 | EP0783931A1 Device for ensuring the safety of the gas and oxygen supply to a cutting and welding torch, and flow-pressure switch for use in said device |
| 07/15/1997 | US5648002 Work transferring apparatus for thermal cutting machine |
| 07/09/1997 | CN2257508Y 多功能喷枪 Multifunction gun |
| 06/26/1997 | WO1997022431A1 Flame cutting machine with tool fixing device |
| 06/25/1997 | EP0780184A1 Device for longitudinal and transversely dividing cold or hot steel slaps |
| 06/19/1997 | DE19546677A1 Brennschneidmaschine mit einer Werkzeugbefestigungseinrichtung Cutting machine with a tool fastening device |
| 06/18/1997 | CN2256357Y Hydroxygen source welding and cutting machine |
| 06/11/1997 | EP0710169B1 A process for cutting large blocks of metal |
| 06/04/1997 | CN2255328Y Hydrogen-energy welding cut machine |
| 05/21/1997 | CN2254387Y Oxyhydrogen gas cutting, gas welder |
| 05/15/1997 | WO1997017161A1 Scarfing torch with multiple nozzles |
| 05/14/1997 | CN2254021Y Oil ejection prevention joint for constant pressure liquid supply tank |
| 05/14/1997 | CN2254020Y 氢氧切割机 Hydroxide cutting machine |