| Patents for B23K 9 - Arc welding or cutting (32,679) |
|---|
| 02/21/1991 | WO1991001842A1 Pulse welding apparatus |
| 02/20/1991 | EP0413602A2 Manufacture of mineral insulated cables |
| 02/20/1991 | CN2071558U Electricity-saving device during no-load of electric welding machine |
| 02/20/1991 | CN2071557U Arc-generating and arc-stabilising electricity-saving equipment for a.c.arc welder |
| 02/20/1991 | CN2071556U Multifunction electric welding equipment |
| 02/19/1991 | US4994646 Pulse arc discharge welding apparatus |
| 02/19/1991 | US4994645 Apparatus for overhead submerged-arc welding |
| 02/19/1991 | US4994644 Apparatus for overhead submerged arc welding |
| 02/19/1991 | US4993617 Structure of head shield for welding pliers |
| 02/13/1991 | CN2071105U Non-sources arc-leader for electric welding machine |
| 02/13/1991 | CN1049122A Microbunch plasma arc special welding machine |
| 02/12/1991 | US4992337 Compressed inert gases for atomization |
| 02/07/1991 | DE4023393A1 Welding together sheet sections to form closed box section - using interlocking edges to produce edge flange which does not protrude |
| 02/06/1991 | EP0411459A1 Device for centring and clamping tubular workpieces |
| 02/06/1991 | EP0411272A1 Gas-shielded torch |
| 02/06/1991 | CN2070656U Moveable intermediate-frequency welder |
| 02/06/1991 | CN2070655U Electricity saver for ac welder |
| 02/05/1991 | US4990743 Control method for tracing a weld line in a welding apparatus |
| 02/05/1991 | CA1279808C Welding blanket |
| 01/31/1991 | DE4011461A1 Electrical supply control for electric arc welding unit - avoids use of mechanical switch in signal circuit and has switch to select direct or alternating current supply |
| 01/30/1991 | EP0410391A2 Electric stud welding device |
| 01/30/1991 | EP0410211A1 Process for producing an electrically conductive connection between enamelled copper wires and terminals |
| 01/30/1991 | EP0410088A2 Welding or plasma cutting device with stabilized voltage of indirect circuit |
| 01/30/1991 | EP0409990A1 Method for press-welding of parts with heating by electric arc moving in a magnetic field |
| 01/30/1991 | CN2070219U Composite structure conductive jet |
| 01/30/1991 | CN2070218U Spot welding electronic timer protected by co2 |
| 01/30/1991 | CN1011392B Connection method for use in strengthened of leakage magnetism type are welders |
| 01/30/1991 | CN1011391B Serated built-up welding method |
| 01/30/1991 | CN1011390B Automatic arc-welding method |
| 01/29/1991 | US4988861 Device for measuring the energy of an electric arc |
| 01/29/1991 | US4988846 Contact tip for arc welding apparatus |
| 01/29/1991 | US4988842 Stud welding system |
| 01/29/1991 | US4988201 Apparatus for detecting a shape of a groove |
| 01/23/1991 | EP0379596A4 Installation for pressure welding of parts heated by an arc moving in a magnetic field |
| 01/23/1991 | CN1011298B Transformer type arc welder with tapping |
| 01/22/1991 | US4987285 Protection circuit for plasma-arc welding and cutting equipment operated with transferred or non-transferred arc |
| 01/22/1991 | US4986002 Quick setting angle device for a welding torch |
| 01/22/1991 | CA1279379C Flexible electrode holder |
| 01/16/1991 | EP0408538A2 Method of producing tubes from a metal strip |
| 01/16/1991 | CN2069328U Telcontrol hand electric arc welder |
| 01/16/1991 | CN1011207B Apparatus for storage and handling of at least one elongate flexible element, such as feeder and signal transmission cable, for automatic orbital welding machine |
| 01/15/1991 | CA1279106C Tubular electrode for plasma torch, and plasma torch making use of said electrode |
| 01/15/1991 | CA1279105C Welding arc initiator |
| 01/09/1991 | EP0406645A1 Device for individual guiding bolts and/or pins arranged in series between guiding rails |
| 01/09/1991 | EP0406459A1 Stud-welding gun |
| 01/09/1991 | CN2068879U Pinboard of electric connection for electric welder |
| 01/09/1991 | CN2068878U Projection welder controller with power condenser |
| 01/08/1991 | US4983241 Method of splicing webs |
| 01/02/1991 | EP0406131A1 Welding clamp for arc welding of tubes |
| 01/02/1991 | EP0405170A1 End stop for welding sealing plugs of nuclear fuel rods |
| 01/02/1991 | CN2068441U Single-phase silicon control ac/dc arc welder |
| 01/02/1991 | CN1048182A Micro-computer controlled arc power-supply system |
| 01/02/1991 | CA1278442C Weld joint |
| 01/01/1991 | US4982066 Method of rehabilitating propeller hub bodies |
| 01/01/1991 | US4980963 Tool changing apparatus |
| 12/27/1990 | WO1990015687A1 System for use in electrode welding and gas/arc welding |
| 12/27/1990 | WO1990015686A1 Profile control method for welding line |
| 12/27/1990 | EP0403665A1 Arc sensor having object transmission window with anti-fouling structure |
| 12/26/1990 | CN2068030U Capacity point welding machine |
| 12/19/1990 | EP0403327A1 Method and device for the replacement of a heaterstick of a PWR pressurizer |
| 12/19/1990 | EP0403037A1 Compression fitting |
| 12/19/1990 | EP0402649A1 Bolt-type boiler wall tube tool |
| 12/19/1990 | EP0402648A2 Method for one-side root pass welding of a pipe joint |
| 12/19/1990 | EP0402435A1 Abrasion-resistant steel cladding for the roller surfaces of roller machines, in particular high-pressure roller presses |
| 12/18/1990 | US4978831 Carbon dioxide welding gun |
| 12/13/1990 | WO1990015375A1 Three-dimensional model making machine |
| 12/13/1990 | WO1990014919A1 Installation for inverted hidden-arc welding |
| 12/12/1990 | EP0401640A1 Water-cooled high-tension electrical connector |
| 12/12/1990 | EP0203073B1 Fiber optic seam tracking apparatus |
| 12/12/1990 | CN1047638A Method of welding stainless steel |
| 12/11/1990 | US4977305 System for low voltage plasma arc cutting |
| 12/11/1990 | US4976912 Apparatus for sealing a container for the storage of radioactive material |
| 12/11/1990 | CA1277718C High speed rotary arc welding apparatus |
| 12/05/1990 | CN2066788U Grounding clamp for electric welding machine |
| 12/05/1990 | CN2066787U Non-scalding electric welding electrode holder |
| 12/05/1990 | CN2066786U Light high-energy electric welding machine |
| 12/05/1990 | CN2066785U Ac/dc electric welding machine |
| 12/05/1990 | CN2066784U Magnetic swing arc tungsten electrode argon arc automatic buiding-up welding machine |
| 12/05/1990 | CN1047465A Method of producing contact tip |
| 12/05/1990 | CN1010663B Transport apparatus for feeding welding wire by welding equipment |
| 12/04/1990 | US4975558 System for control of weld arc development |
| 12/04/1990 | US4975556 Butt welding machine |
| 12/04/1990 | US4975554 Rotating weld head for tube interiors |
| 11/30/1990 | CA2017759A1 Method of welding stainless steel studs |
| 11/29/1990 | WO1990014194A1 Rack mountable weld controller |
| 11/28/1990 | EP0399334A2 Method of producing contact tip |
| 11/28/1990 | CN1010565B Non-loaded energy-saving device of ac arc welding machine |
| 11/27/1990 | US4973823 In a tube clamping device |
| 11/27/1990 | US4973822 Gas metal arc welding and shielding gas therefor |
| 11/27/1990 | US4973821 Control unit for welding apparatus having offset and tracking control features |
| 11/27/1990 | US4973816 Plasma torch with safety switch |
| 11/27/1990 | US4973089 Apparatus and method for making overlapping strip joints |
| 11/27/1990 | US4972674 Heat insulating ceramic insert-cast articles for use in exhaust channels in internal combustion engines and a process for producing the same |
| 11/27/1990 | CA1276987C Arc cutting/welding equipment |
| 11/22/1990 | EP0398686A1 Modified mig welding nozzle for stud welding |
| 11/22/1990 | EP0397789A1 Improved cored electrode wires. |
| 11/22/1990 | DE4014808A1 Maschinensichtsystem Machine vision system |
| 11/21/1990 | CN1047045A Water plasma arc cut |
| 11/20/1990 | US4972064 Apparatus for short circuiting arc welding |
| 11/20/1990 | US4971750 End stop for welding sealing plugs of nuclear fuel rods |