Patents for B23K 5 - Gas flame welding (1,229)
05/1991
05/01/1991CN2076002U Filled propane cylinder for oxygen-gas welding and cutting
02/1991
02/13/1991CN2071104U Gas directly jetting type welding gun
01/1991
01/30/1991CN1011391B Serated built-up welding method
01/29/1991CA1279506C Upper and lower simultaneous welding method
12/1990
12/26/1990CN2068029U Portable bonding machine
12/26/1990CN1047994A Portable multi-purpose welding gun
12/19/1990CN2067624U Miniature welding torch with stationary flow gas
12/19/1990CN2067623U Auto-lighting welding and cutting blowpipe
11/1990
11/28/1990CN2066365U Welding blowpipe ignitor
11/21/1990CN2065964U Portable gas welding unit
11/14/1990CN2065531U Electronic ignited welding and cutting torch
11/07/1990CN2065109U Gas-economizing device for oxyhydrogen welding wire-guiding machine
10/1990
10/17/1990CN2063852U Vaporation welder for refrigerator
08/1990
08/22/1990CN2060710U Portable dual-purpose gun for spraying and welding
08/08/1990CN2060098U Multi-functional miniature gas welding torch
06/1990
06/27/1990CN1043347A Process for repairing metallic mould of enamelled ceramic brick by thermal spraying coating
05/1990
05/09/1990CN2056882U Welding blowpipe with explosion-proof self-sealing connector
05/01/1990CA1268433A1 Composite metal-plastic containers assembled by welding, and their manufacture
04/1990
04/24/1990US4918805 Welding method for cylinder head repair
03/1990
03/28/1990CN2055077U Tool edge wear-proof weld construction
03/28/1990CN2055076U Miniature torch welder
03/14/1990CN2054386U Miniature acetylene welding and cutting unit
02/1990
02/28/1990CN2053557U Gas-shielded automatic welding seam machine of band saw blade
02/07/1990CN1006691B Technological equipment for welding double metal boards with gas protection
01/1990
01/31/1990CN1039201A Toothed bead welding method
01/16/1990US4893531 Welding accessory apparatus
01/03/1990CN2050428U Oxygen/hydrogen generator
12/1989
12/06/1989CN2048805U Fast adjuster of gas flow for welding and cutting tool
11/1989
11/15/1989CN2047610U Automatic control system for parameter of gas-pressure welding technology
11/07/1989CA1262617A1 Apparatus and method for fabricating plate web girders
11/01/1989CN1005635B The method of the spray-welding copper alloy on the surface of cast iron
10/1989
10/25/1989CN2046415U Portable double-jet welding gun
09/1989
09/06/1989CN1035257A Gas and oil welder
08/1989
08/23/1989CN2043149U Welding gun for oven mending purpose
08/09/1989CN2042391U Weld machine using oxygen and hydrogen
06/1989
06/07/1989CN2038826U Welding liner
05/1989
05/31/1989CN2038428U Micro sized acetylene welding gun
05/17/1989CN2037655U Device making torch of gas welding and gas cutting using gasoline
05/17/1989CN2037654U Welding-wire conveying tube
04/1989
04/13/1989DE3803444C1 Gas-cutting or heating torch
04/12/1989EP0311363A2 Hollow steel pile, manufacturing method and pile driving method
01/1989
01/18/1989CN2030944U Pen
11/1988
11/09/1988CN87101288A Process for repairing high manganese steel bagger
10/1988
10/26/1988CN87202670U Replacing tubes type welding blow lamp suiting for varied combustible gas
10/12/1988CN87212134U Hydrolytic hydrogen-oxygen flame welding device
08/1988
08/17/1988CN88201260U Welding/cutting appliance carried on the back
07/1988
07/06/1988CN86208271U Device for avoiding acetylene flashback
06/1988
06/29/1988CN86209513U Anti-acetylene back fire apparatus
06/28/1988US4753368 Metalloplastic composite containers
05/1988
05/11/1988CN86106201A The method of the spray-welding copper alloy on the surface of cast iron
04/1988
04/13/1988CN87209661U Enginering vehicle for gas welding and gas cutting
03/1988
03/09/1988CN86210610U Portable gas generator for gas welding
02/1988
02/17/1988CN87203750U Backfire arrestor for dry ethyne
02/16/1988US4725507 Metalloplastic composite containers and method of making the same
02/16/1988US4724995 Pin joining method and apparatus
02/10/1988CN86208048U Flame cover able to carry out air-acetylene flame soldering
02/10/1988CN86207983U Double fire-retarded and dry-type back-fire arrester
12/1987
12/05/1987CN86209329U Hand hold blowtorch of liquefied gas
10/1987
10/31/1987CN86210798U Portable practical gas-welding equipment
08/1987
08/12/1987EP0231675A1 Large metal-plastic containers constructed by welding, and process for their manufacture
07/1987
07/22/1987CN86205488U Semi-injection type multigas welding and cutting torch with back valve for against flashback
07/15/1987CN86206844U Pressure-butt welding unit for steel pipe
07/08/1987CN85204705U Multi-purpose low-temperature soldering machine
07/01/1987EP0227525A1 Composite metal-plastic containers assembled by welding
05/1987
05/27/1987CN86200336U 混合气体焊炬 Mixed gas torch
02/1987
02/25/1987EP0211286A1 Device for mechanical connecting of pins with a joining plate
02/04/1987CN85106059A Anti-flashback jet suction type welding and cutting torch
11/1986
11/12/1986CN85106410A Tecnological equipment for weiding double metal boards with gas protection
10/1986
10/08/1986CN85102934A Soldering paste smearing device for soldering the shell of high-frequency head
09/1986
09/09/1986US4610556 Writing instrument with plural tips
08/1986
08/27/1986CN85100286A Diamond surface metallization technique
07/1986
07/23/1986CN85200227U Hand-operated reinforcing bar-opposite jointing machine
06/1986
06/17/1986US4595136 Combination tool for gas welders
05/1986
05/10/1986CN85108168A Low temperature gas welder for multiple-use
04/1986
04/29/1986CA1203677A1 Method of and apparatus for manufacturing tag pin assemblies
03/1986
03/18/1986US4576324 Gas pressure welding machine
11/1985
11/05/1985US4550872 Fillet-welding equipment for pipe materials
06/1985
06/25/1985CA1189361A1 Equipment for welding end caps to nuclear fuel rods
05/1985
05/14/1985CA1186921A1 Method and apparatus for welding hollow elongated beams
03/1985
03/26/1985US4506853 Hose holder
02/1985
02/05/1985CA1181934A1 Method for assembling tool bits to produce double- ended tool shaft and tool shaft produced thereby
01/1985
01/08/1985US4492849 Rubbing with titanium or alloy, aluminum or manganese, reduced hot cracking
01/01/1985US4491716 Method and apparatus for equilizing temperature of pipe sections during solid phase welding
11/1984
11/13/1984CA1177798A1 Station with two or more gas cylinders for welding or other applications
07/1984
07/17/1984US4460010 Station comprising two or more gas bottles for welding and other applications
07/11/1984EP0056750B1 Appliance using two or more gas bottles for welding and other purposes
05/1984
05/22/1984US4449698 Autogenous portable welding apparatus
05/15/1984CA1167290A1 Apparatus for flash welding of pipes
04/1984
04/24/1984CA1166044A1 Screen welding machine
01/1984
01/10/1984US4425300 Chromium, molybdenum
08/1983
08/16/1983US4398560 Multiple shut-off valve
07/1983
07/06/1983EP0083091A2 Process and apparatus for coating articles with molten metal
04/1983
04/19/1983CA1144854A1 Portable apparatus for welding by means of an oxi-gas flame
02/1983
02/22/1983US4375008 Method for encapsulating components with cases and an encapsulation provided by the method
07/1982
07/28/1982EP0056750A1 Appliance using two or more gas bottles for welding and other purposes
12/1981
12/29/1981US4308235 Portable apparatus for welding by means of an oxi-gas flame
12/09/1981EP0041165A1 Shielding gas welding torch
11/1981
11/11/1981EP0039450A1 Hard facing nickel-base alloy
10/1981
10/27/1981US4297151 Method for dividing a strand into slabs
09/1981
09/15/1981US4290006 Proportional A-C power control
1 ... 2 3 4 5 6 7 8 9 10 11 12 13