Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23K - Soldering or unsoldering; Welding; Cladding or plating by soldering or welding; Cutting by applying heat locally, e.g. flame cutting; Working by laser beam › B23K 9 - Arc welding or cutting
Patents for B23K 9 - Arc welding or cutting (32,679)
04/1998
04/23/1998DE19713344C1 Device for electric arc stud-welding with protective gas
04/22/1998EP0836904A2 Method of repairing metallic alloy articles, such as gas turbine engine components
04/22/1998EP0776261B1 Device for welding together at least two parts, and method using the device
04/22/1998CN1038115C Cold-welding recovery method for thin wall of cast iron cylinder
04/21/1998US5742029 Method of welding wallpaper alloy an arc welder modified to practice same
04/16/1998WO1998015378A1 Method of welding pipe
04/15/1998EP0835711A2 Fume extraction apparatus used in a welding or cutting torch
04/14/1998US5739503 Helium, nitrogen, argon
04/14/1998US5738768 Process for reducing particle defects in arc vapor deposition coatings
04/14/1998US5738148 Universal connector hose for joining an extractor to an element for extracting fumes from a factory workplace
04/09/1998DE19642701A1 Portable unit for mechanised production of fillet welds along two axes
04/09/1998DE19637935C1 Hollow weld bolt
04/08/1998EP0695597B1 Movable backing device
04/08/1998CN2277845Y Continuous dynamic electric power transmission device
04/08/1998CN1178152A Manufacture of stainless steel pipes with straight seam weld
04/07/1998US5736712 Arc welding torch
04/07/1998US5736711 Underwater arc-welding apparatus
04/07/1998US5735672 Centrifugal compressor impeller
04/02/1998WO1998013900A1 Fastening arrangement
04/02/1998WO1998013168A1 Welding device
04/02/1998DE19639749A1 Schweißeinrichtung Welder
04/02/1998CA2267257A1 Welding device
04/01/1998EP0832710A1 Welding method in the overhead and vertical positions
04/01/1998CN1177530A Electric are cutting machine
03/1998
03/31/1998USRE35756 Method of production of workpieces by welding equipment
03/31/1998US5734148 Retention means for side panels for welding machine
03/31/1998US5734147 Method and apparatus for electronically controlling the output of an engine driven generator welding power supply
03/31/1998US5732888 Electromagnetically operable valve
03/26/1998WO1998012012A1 Taper lock contact tip and head assembly for welding device
03/26/1998WO1998012011A1 Electrode extension guide for welding
03/26/1998WO1998012010A1 Use of a metal powder for surface coating by submerged arc welding
03/26/1998DE19637283A1 Verfahren zum aluminothermischen Zwischengußschweißen von Schienen mit Auflegierung des Stahlgusses im Schienenkopfbereich A method of aluminothermic Zwischengußschweißen of rails with alloying steel casting in the rail head area
03/24/1998US5731567 Thermal working method of metal material containing helium and thermal working apparatus therefor
03/24/1998US5730891 Undercarriage for welder
03/24/1998US5730189 Internally and externally enhanced wielded tube
03/18/1998EP0829947A1 Removal of residual produced during the manufacturing of commutator rotors
03/18/1998EP0829646A1 Centrifugal compressor impeller
03/18/1998EP0829553A1 Method and apparatus for modifying surfaces of metallic workpieces by electrical discharges
03/18/1998EP0782489B1 Process for welding workpieces
03/18/1998CN2276393Y Tube sheet circular seam welding fixture
03/18/1998CN2276392Y Device for preventing welding stick tangled of welding stick barrel
03/18/1998CN2276391Y High-frequency arc striking apparatus used with contravariant welder
03/18/1998CN2276390Y High-frequence arc striking device for contravariant switch type arc processing power
03/18/1998CN2276389Y DC multipurpose arc-welding set
03/18/1998CN1176161A Protective gas mixture for tungsten-inert gas-welding
03/17/1998US5728995 Arc welding torch
03/12/1998WO1998009766A1 Multiwire welding torch
03/12/1998WO1998009765A1 Arc welding or cutting torch
03/12/1998DE19702410C1 Reaction crucible for alumino thermal welding
03/11/1998EP0828136A1 Method and apparatus for determining the angular position of substantially cylindrical bodies
03/11/1998EP0827801A1 Welding torch
03/11/1998CN2275918Y No-load electricity-saving device for a.c. electric welder
03/11/1998CN2275917Y Gantry type miniature gas storage tank ring seam welding device
03/11/1998CN2275916Y Welded-contact charging multiple-purpose machine
03/11/1998CN1175687A Method and apparatus for following and inspecting edge or border
03/11/1998CN1175490A Welding power supply arc starter
03/11/1998CN1037668C Device for cleansing welding torches
03/10/1998US5726420 Taper lock contact tip and head assembly for welding device
03/10/1998US5726419 Pulse welding apparatus
03/05/1998DE19704513C1 Gas shielded consumable electrode welding with rotating arc
03/05/1998DE19635037A1 Stud welding equipment
03/04/1998EP0826456A1 Protecting gas mixture used in TIG welding
03/04/1998EP0683861B1 Electromagnetic valve
03/04/1998CN2275495Y DC mini rail welder for mine
03/04/1998CN1174773A Horizontal steel bar welding method and die set
03/04/1998CN1037590C Nozzle of arc welding or cutting
03/03/1998US5723842 Above-ground fire-resistant storage tank system and fabrication method
03/03/1998US5722896 Balanced propeller shaft using a weight anchor
02/1998
02/28/1998CA2214250A1 Device for cathodic cleaning of wire
02/26/1998DE19709845C1 Connection fitting for gas-insulated energy transmission pipeline
02/26/1998DE19638225A1 Hot gas corrosion resistant pipe joint production
02/26/1998DE19633457A1 Automatic feeder for welding nuts from stock container
02/26/1998DE19633455A1 Machine separating single fasteners from pile
02/26/1998DE19633454A1 Automatic fastener feed to pre-determined assembly station
02/25/1998EP0824986A1 Manufacturing method of corrosion resistance connecting pipes
02/25/1998EP0824985A2 Consumable electrode type arc welding method and device
02/25/1998EP0824391A1 Gas lens housing for arc-welding or flame cutters with non-melting electrodes
02/25/1998EP0780021B1 Process for contacting power current connection elements of an electric component and component produced using this process
02/25/1998CN2275001Y Rectifier arc welder
02/24/1998US5721417 High deposition weld gun nozzle
02/24/1998CA2142776C Controllable inverter power supply
02/19/1998WO1998006529A1 Method of welding
02/18/1998CN2274542Y Adjustable two purpose build-up welding apparatus
02/18/1998CN1173413A Method for repairing journal by CO2 gas arc automatic build-up welding
02/17/1998US5719375 Stiffener manufacturing method and apparatus thereof
02/17/1998US5719369 Stress corrosion crack repair by plasma arc welding underwater welding
02/12/1998WO1998005464A1 Stud welding collet
02/12/1998WO1998005463A1 Dual pass weld overlay method and apparatus
02/12/1998WO1998005440A1 Metal strip welding machine, and related process
02/12/1998DE19651869C1 Device for gas flushing from two pipes to be joined together by welding
02/12/1998CA2233604A1 Metal strip welding machine and related process
02/11/1998EP0822882A1 Apparatus for grinding welding electrodes, in particular wolfram electrodes
02/11/1998CN1172712A Metal-core weld wire for welding galvanized steels
02/10/1998US5716396 Endoprosthesis having multiple laser welded junctions method and procedure
02/05/1998DE19631091A1 Welding contact sleeve
02/05/1998DE19631090A1 Welding cable connector
02/05/1998DE19630703A1 Verfahren und Vorrichtung zum Reparaturschweißen von Teilen aus Ni-Basis-Legierungen Method and apparatus for repair welding of parts made of Ni-based alloys
02/04/1998EP0822389A2 Procedure and device to determine and to verify the contour of a rim
02/04/1998EP0822024A1 Thread coupling manufacturing method, machining apparatus, in particular designed for thermal piercing, screw and its use
02/04/1998CN2273636Y Permanent magnetic electricity generator for dc arc welding
1 ... 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 ... 327