| Patents for B23K 5 - Gas flame welding (1,229) |
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| 05/01/1991 | CN2076002U Filled propane cylinder for oxygen-gas welding and cutting |
| 02/13/1991 | CN2071104U Gas directly jetting type welding gun |
| 01/30/1991 | CN1011391B Serated built-up welding method |
| 01/29/1991 | CA1279506C Upper and lower simultaneous welding method |
| 12/26/1990 | CN2068029U Portable bonding machine |
| 12/26/1990 | CN1047994A Portable multi-purpose welding gun |
| 12/19/1990 | CN2067624U Miniature welding torch with stationary flow gas |
| 12/19/1990 | CN2067623U Auto-lighting welding and cutting blowpipe |
| 11/28/1990 | CN2066365U Welding blowpipe ignitor |
| 11/21/1990 | CN2065964U Portable gas welding unit |
| 11/14/1990 | CN2065531U Electronic ignited welding and cutting torch |
| 11/07/1990 | CN2065109U Gas-economizing device for oxyhydrogen welding wire-guiding machine |
| 10/17/1990 | CN2063852U Vaporation welder for refrigerator |
| 08/22/1990 | CN2060710U Portable dual-purpose gun for spraying and welding |
| 08/08/1990 | CN2060098U Multi-functional miniature gas welding torch |
| 06/27/1990 | CN1043347A Process for repairing metallic mould of enamelled ceramic brick by thermal spraying coating |
| 05/09/1990 | CN2056882U Welding blowpipe with explosion-proof self-sealing connector |
| 05/01/1990 | CA1268433A1 Composite metal-plastic containers assembled by welding, and their manufacture |
| 04/24/1990 | US4918805 Welding method for cylinder head repair |
| 03/28/1990 | CN2055077U Tool edge wear-proof weld construction |
| 03/28/1990 | CN2055076U Miniature torch welder |
| 03/14/1990 | CN2054386U Miniature acetylene welding and cutting unit |
| 02/28/1990 | CN2053557U Gas-shielded automatic welding seam machine of band saw blade |
| 02/07/1990 | CN1006691B Technological equipment for welding double metal boards with gas protection |
| 01/31/1990 | CN1039201A Toothed bead welding method |
| 01/16/1990 | US4893531 Welding accessory apparatus |
| 01/03/1990 | CN2050428U Oxygen/hydrogen generator |
| 12/06/1989 | CN2048805U Fast adjuster of gas flow for welding and cutting tool |
| 11/15/1989 | CN2047610U Automatic control system for parameter of gas-pressure welding technology |
| 11/07/1989 | CA1262617A1 Apparatus and method for fabricating plate web girders |
| 11/01/1989 | CN1005635B The method of the spray-welding copper alloy on the surface of cast iron |
| 10/25/1989 | CN2046415U Portable double-jet welding gun |
| 09/06/1989 | CN1035257A Gas and oil welder |
| 08/23/1989 | CN2043149U Welding gun for oven mending purpose |
| 08/09/1989 | CN2042391U Weld machine using oxygen and hydrogen |
| 06/07/1989 | CN2038826U Welding liner |
| 05/31/1989 | CN2038428U Micro sized acetylene welding gun |
| 05/17/1989 | CN2037655U Device making torch of gas welding and gas cutting using gasoline |
| 05/17/1989 | CN2037654U Welding-wire conveying tube |
| 04/13/1989 | DE3803444C1 Gas-cutting or heating torch |
| 04/12/1989 | EP0311363A2 Hollow steel pile, manufacturing method and pile driving method |
| 01/18/1989 | CN2030944U Pen |
| 11/09/1988 | CN87101288A Process for repairing high manganese steel bagger |
| 10/26/1988 | CN87202670U Replacing tubes type welding blow lamp suiting for varied combustible gas |
| 10/12/1988 | CN87212134U Hydrolytic hydrogen-oxygen flame welding device |
| 08/17/1988 | CN88201260U Welding/cutting appliance carried on the back |
| 07/06/1988 | CN86208271U Device for avoiding acetylene flashback |
| 06/29/1988 | CN86209513U Anti-acetylene back fire apparatus |
| 06/28/1988 | US4753368 Metalloplastic composite containers |
| 05/11/1988 | CN86106201A The method of the spray-welding copper alloy on the surface of cast iron |
| 04/13/1988 | CN87209661U Enginering vehicle for gas welding and gas cutting |
| 03/09/1988 | CN86210610U Portable gas generator for gas welding |
| 02/17/1988 | CN87203750U Backfire arrestor for dry ethyne |
| 02/16/1988 | US4725507 Metalloplastic composite containers and method of making the same |
| 02/16/1988 | US4724995 Pin joining method and apparatus |
| 02/10/1988 | CN86208048U Flame cover able to carry out air-acetylene flame soldering |
| 02/10/1988 | CN86207983U Double fire-retarded and dry-type back-fire arrester |
| 12/05/1987 | CN86209329U Hand hold blowtorch of liquefied gas |
| 10/31/1987 | CN86210798U Portable practical gas-welding equipment |
| 08/12/1987 | EP0231675A1 Large metal-plastic containers constructed by welding, and process for their manufacture |
| 07/22/1987 | CN86205488U Semi-injection type multigas welding and cutting torch with back valve for against flashback |
| 07/15/1987 | CN86206844U Pressure-butt welding unit for steel pipe |
| 07/08/1987 | CN85204705U Multi-purpose low-temperature soldering machine |
| 07/01/1987 | EP0227525A1 Composite metal-plastic containers assembled by welding |
| 05/27/1987 | CN86200336U 混合气体焊炬 Mixed gas torch |
| 02/25/1987 | EP0211286A1 Device for mechanical connecting of pins with a joining plate |
| 02/04/1987 | CN85106059A Anti-flashback jet suction type welding and cutting torch |
| 11/12/1986 | CN85106410A Tecnological equipment for weiding double metal boards with gas protection |
| 10/08/1986 | CN85102934A Soldering paste smearing device for soldering the shell of high-frequency head |
| 09/09/1986 | US4610556 Writing instrument with plural tips |
| 08/27/1986 | CN85100286A Diamond surface metallization technique |
| 07/23/1986 | CN85200227U Hand-operated reinforcing bar-opposite jointing machine |
| 06/17/1986 | US4595136 Combination tool for gas welders |
| 05/10/1986 | CN85108168A Low temperature gas welder for multiple-use |
| 04/29/1986 | CA1203677A1 Method of and apparatus for manufacturing tag pin assemblies |
| 03/18/1986 | US4576324 Gas pressure welding machine |
| 11/05/1985 | US4550872 Fillet-welding equipment for pipe materials |
| 06/25/1985 | CA1189361A1 Equipment for welding end caps to nuclear fuel rods |
| 05/14/1985 | CA1186921A1 Method and apparatus for welding hollow elongated beams |
| 03/26/1985 | US4506853 Hose holder |
| 02/05/1985 | CA1181934A1 Method for assembling tool bits to produce double- ended tool shaft and tool shaft produced thereby |
| 01/08/1985 | US4492849 Rubbing with titanium or alloy, aluminum or manganese, reduced hot cracking |
| 01/01/1985 | US4491716 Method and apparatus for equilizing temperature of pipe sections during solid phase welding |
| 11/13/1984 | CA1177798A1 Station with two or more gas cylinders for welding or other applications |
| 07/17/1984 | US4460010 Station comprising two or more gas bottles for welding and other applications |
| 07/11/1984 | EP0056750B1 Appliance using two or more gas bottles for welding and other purposes |
| 05/22/1984 | US4449698 Autogenous portable welding apparatus |
| 05/15/1984 | CA1167290A1 Apparatus for flash welding of pipes |
| 04/24/1984 | CA1166044A1 Screen welding machine |
| 01/10/1984 | US4425300 Chromium, molybdenum |
| 08/16/1983 | US4398560 Multiple shut-off valve |
| 07/06/1983 | EP0083091A2 Process and apparatus for coating articles with molten metal |
| 04/19/1983 | CA1144854A1 Portable apparatus for welding by means of an oxi-gas flame |
| 02/22/1983 | US4375008 Method for encapsulating components with cases and an encapsulation provided by the method |
| 07/28/1982 | EP0056750A1 Appliance using two or more gas bottles for welding and other purposes |
| 12/29/1981 | US4308235 Portable apparatus for welding by means of an oxi-gas flame |
| 12/09/1981 | EP0041165A1 Shielding gas welding torch |
| 11/11/1981 | EP0039450A1 Hard facing nickel-base alloy |
| 10/27/1981 | US4297151 Method for dividing a strand into slabs |
| 09/15/1981 | US4290006 Proportional A-C power control |