| Patents for B23K 37 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass (29,284) |
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| 11/25/1980 | CA1090171A1 Mobile rail welding machine |
| 11/13/1980 | WO1980002396A1 Fixture and method for repairing track links |
| 11/12/1980 | EP0018740A1 Fixture and method for repairing track links |
| 11/04/1980 | US4231694 Apparatus for removing a welding bulge from pipes |
| 10/21/1980 | US4229642 Automatic welding apparatus for long workpieces |
| 10/21/1980 | US4229641 Automatic welding apparatus |
| 10/15/1980 | EP0016897A1 Device for avoiding the occurrence of a flash in tube-welding apparatuses |
| 09/23/1980 | CA1086337A1 Portable welding jig |
| 09/23/1980 | CA1086103A1 Method and apparatus for fabricating pipe centralizer or the like |
| 09/16/1980 | US4223202 Apparatus and method for welding boat subassemblies utilizing laser radiation |
| 09/16/1980 | US4223197 Method of cooling weld in steel piping and apparatus therefor |
| 09/02/1980 | US4220491 Method for forming an accurately assembled laminate utilizing a vacuum holding press |
| 08/26/1980 | US4218983 Single-cam actuated drum seaming mechanism |
| 08/19/1980 | US4218604 Method for welding of austenitic stainless steel piping |
| 08/19/1980 | US4218006 Bellows sections welder |
| 08/12/1980 | US4216896 Automatic pipe welding apparatus and method |
| 07/29/1980 | US4215260 Apparatus for welding two profile or section rods by means of resistance welding, especially for welding two rails |
| 07/29/1980 | US4214692 Butt-welding apparatus for assembling and laying pipe strings in deep water |
| 07/15/1980 | CA1081504A1 Grating welder clamping head with weld pool retaining means |
| 07/01/1980 | US4210270 Electronic monitoring of rock bit parameters |
| 06/24/1980 | US4209121 Electronic bit gaging |
| 06/17/1980 | US4208563 Welding method using a break away flux dam |
| 06/17/1980 | CA1079814A1 Device for controlling butt welding machine |
| 06/03/1980 | US4205828 Cutting of contour bevels |
| 06/03/1980 | US4205774 Device for welding tubes to pipe |
| 05/27/1980 | US4205219 Double grooved welding backup |
| 05/27/1980 | US4205216 Laser welding system and method |
| 05/27/1980 | US4205214 Apparatus for machining flash and upset material formed in flash welding operation |
| 05/27/1980 | CA1078228A1 Welding pipe lines |
| 05/13/1980 | US4203023 Welding pool support device for energy beam welding |
| 05/06/1980 | US4201326 Pivotal back-up pads for welding |
| 04/08/1980 | US4196840 Method and apparatus for holding two separate metal pieces together for welding |
| 04/01/1980 | US4195828 Boiler tube welding clamp |
| 04/01/1980 | US4195763 Apparatus for locating welding carriage track |
| 04/01/1980 | CA1074595A1 Method and apparatus for manufacturing rotary drill bits |
| 03/11/1980 | US4192487 Apparatus for cutting sheet plate |
| 03/11/1980 | US4192055 Band welding fixture |
| 02/26/1980 | US4190236 Apparatus for guiding a tool in a linear path relative to a work piece, and method of manufacture thereof |
| 01/22/1980 | US4184931 Pulsation |
| 01/15/1980 | US4183454 Welding backup employing a train of knuckle-joint tiles |
| 01/01/1980 | US4181392 Clamping means and tool for making it |
| 12/25/1979 | US4180120 Cast-on method and apparatus for casting parts onto the lugs of lead-acid battery plates stacks |
| 12/25/1979 | CA1068464A Apparatus for the application, positioning and adjustment of sections in the assembly of panels |
| 12/11/1979 | US4177914 Rotary internal pipe clamp apparatus |
| 12/11/1979 | US4177913 Automatic pipe welding apparatus |
| 12/11/1979 | US4177644 Apparatus for controlling and taking up axial displacement in machinings on large diameter cylinders |
| 12/04/1979 | US4176998 Fit-up turning roll system |
| 11/27/1979 | US4175735 Device for aligning pipes to be joined |
| 11/27/1979 | US4175734 Device for aligning plates to be joined |
| 11/27/1979 | US4175615 Pipe header-cylindrical tank joint and method of joining same |
| 11/20/1979 | US4175224 Apparatus for transporting heavy equipment on a pipeline |
| 11/13/1979 | CA1066383A1 Method and apparatus for aligning strip end portions in a continuous strip operation |
| 11/13/1979 | CA1066382A1 Method and apparatus for aligning strip end portions in a continuous strip operation |
| 11/13/1979 | CA1066315A1 Pipe clamp |
| 10/23/1979 | CA1065023A1 Sliding table for resistance welding |
| 10/16/1979 | US4170813 Clamp for strapping ingot moulds |
| 10/09/1979 | US4170473 Covering surface opposite area to be welded with powdered metal, sintering |
| 10/02/1979 | US4169977 Apparatus for the application, positioning and adjustment of sections in the assembly of panels |
| 08/28/1979 | CA1061419A1 Strip shearing and joining method and apparatus |
| 08/21/1979 | US4165245 Method for the fabrication of internally weld-cladded pipe elbows |
| 08/14/1979 | US4164118 Apparatus for positioning the links of a length of chain |
| 08/14/1979 | CA1060488A1 Pipe aligning apparatus |
| 07/24/1979 | US4162387 Car body welding assembly system |
| 07/11/1979 | EP0002986A1 Process and apparatus for welding protected metal pieces |
| 06/27/1979 | EP0002483A1 Apparatus for distance-positioning a workpiece |
| 06/26/1979 | US4159072 Pipe aligning apparatus |
| 05/08/1979 | US4153194 Clamping and welding a pipe joint |
| 05/01/1979 | US4152568 Method of arc welding with reverse side cooling for obtaining highly tough large-diameter welded steel pipes |
| 04/24/1979 | US4151390 Tool holder head, particularly for welding yokes and guns |
| 04/10/1979 | US4149061 Apparatus for continuously cladding a dished surface |
| 04/10/1979 | US4148467 Pipe cutting and welding apparatus |
| 04/10/1979 | US4148206 Tube welding machine with exchangeable rolls |
| 04/03/1979 | USRE29953 Apparatus for supporting and positioning of a work-piece during welding |
| 04/03/1979 | CA1051979A1 Method of arc welding with reverse side cooling for obtaining highly tough large-diameter welded steel pipes |
| 03/27/1979 | US4146162 Arrangement for manufacturing spherical reservoirs |
| 02/27/1979 | CA1049300A1 Method and a device for welding cylindrical elements to one another |
| 02/27/1979 | CA1049269A1 Apparatus for positioning the links of a length of chain |
| 02/20/1979 | US4140262 Size-adjustable internal pipe clamp apparatus |
| 02/13/1979 | US4139145 Band welding fixture |
| 01/30/1979 | US4137125 Method of welding nuclear reactor fuel assemblies |
| 01/30/1979 | CA1047374A1 Small movable hot deseamer |
| 01/23/1979 | CA1046802A1 Apparatus suitable for use in the automatic welding of pipes |
| 01/23/1979 | CA1046801A1 Welding machine |
| 01/16/1979 | US4134607 Member for welding to another member |
| 01/16/1979 | US4134576 Safety carriage for supporting and guiding an acetylene torch |
| 01/09/1979 | US4133518 Adjustable support structure for releasably positioning an article |
| 01/09/1979 | US4133470 Method and apparatus for fabricating pipe centralizer or the like |
| 01/09/1979 | US4133094 Method of joining a tank and skirt support together |
| 01/02/1979 | US4132338 Apparatus suitable for use in the automatic welding of pipes |
| 12/26/1978 | US4131783 Welding apparatus |
| 12/26/1978 | US4131302 Clamp-welded pipe joint |
| 12/26/1978 | US4130923 Apparatus for locating and moving heavy units |
| 12/12/1978 | US4129244 Strip shearing and joining method and apparatus |
| 10/17/1978 | US4121084 Method and apparatus for welding workpieces |
| 10/17/1978 | CA1040461A1 Movable welding backing device |
| 10/10/1978 | US4119137 Automated post burn station |
| 10/03/1978 | US4118620 Computerized system for translating a torch head |
| 09/19/1978 | CA1038660A1 Pipe-handling apparatus |
| 09/19/1978 | CA1038659A1 Clamping device for welding seamer |
| 09/12/1978 | US4114016 Welding machine auxiliary transfer clamp |