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Class Information
Number: 219/121.45
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using plasma > Welding
Description: Subject matter wherein workpiece are fused together by the plasma gas from a torch.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7326873 |
Apparatus and methods for repairing tenons on turbine buckets |
Feb. 5, 2008 |
| 7256366 |
Plasma arc torch, and methods of assembling and disassembling a plasma arc torch |
Aug. 14, 2007 |
| 7253377 |
System and method of joining overlapping workpieces |
Aug. 7, 2007 |
| 7247811 |
Plasma welding method for a golf club head |
Jul. 24, 2007 |
| 7235757 |
Device for tightly fastening at least two members |
Jun. 26, 2007 |
| 7230203 |
Protective cap for a contact pipe in a welding torch in addition to a welding torch equipped with said cap |
Jun. 12, 2007 |
| 7186944 |
Method and apparatus for autodetection of plasma torch consumables |
Mar. 6, 2007 |
| 7138600 |
Automatic pulse plasma welding method and apparatus for forming lap joint between membrane sheets |
Nov. 21, 2006 |
| 7091442 |
Welding apparatus and method for welding overlapping coated sheets |
Aug. 15, 2006 |
| 7049541 |
Cutting guide for plasma torch |
May. 23, 2006 |
| 7041935 |
Apparatus and methods for connecting a plasma arc torch lead to a power supply |
May. 9, 2006 |
| 6987237 |
Electrodes and nozzles having improved connection and quick release |
Jan. 17, 2006 |
| 6982395 |
Method and apparatus for plasma welding with low jet angle divergence |
Jan. 3, 2006 |
| 6940037 |
System and method for controlling welding parameters in welding-based deposition processes |
Sep. 6, 2005 |
| 6914210 |
Method of repairing a stationary shroud of a gas turbine engine using plasma transferred arc welding |
Jul. 5, 2005 |
| 6888091 |
Automatic plasma Arc tube cutter/welder |
May. 3, 2005 |
| 6841753 |
Welding apparatus and method |
Jan. 11, 2005 |
| 6835910 |
Welding apparatus and method |
Dec. 28, 2004 |
| 6756560 |
Plasma enhanced circuit component attach method and device |
Jun. 29, 2004 |
| 6753497 |
Method and apparatus for initiating welding arc using plasma flow |
Jun. 22, 2004 |
| 6713710 |
Apparatus and method for trackless movement and full penetration arc welding |
Mar. 30, 2004 |
| 6706992 |
Welding apparatus and method for welding overlapping coated sheets |
Mar. 16, 2004 |
| 6703578 |
Exothermic reactions and methods |
Mar. 9, 2004 |
| 6696661 |
Plasma enhanced circuit packaging method and device |
Feb. 24, 2004 |
| 6693252 |
Plasma MIG welding with plasma torch and MIG torch |
Feb. 17, 2004 |
| 6621038 |
Torch for powder plasma buildup welding |
Sep. 16, 2003 |
| 6583377 |
Welded silicon member |
Jun. 24, 2003 |
| 6555778 |
Plasma enhanced sheet bonding method and device |
Apr. 29, 2003 |
| 6521857 |
Plasma enhanced bonding method and device |
Feb. 18, 2003 |
| 6521858 |
Plasma enhanced plate bonding method and device |
Feb. 18, 2003 |
| 6506995 |
Conforming welding torch shroud |
Jan. 14, 2003 |
| 6501042 |
Apparatus and process for assembling exhaust processor components |
Dec. 31, 2002 |
| 6444943 |
Method and apparatus for controlling plasma flow |
Sep. 3, 2002 |
| 6437281 |
Apparatus, system, and related method for sensing a characteristic of a workpiece in an automated process |
Aug. 20, 2002 |
| 6410879 |
Device with a plasma torch |
Jun. 25, 2002 |
| 6388227 |
Combined laser and plasma-arc processing torch and method |
May. 14, 2002 |
| 6365867 |
Plasma arc torch with coaxial wire feed |
Apr. 2, 2002 |
| 6348670 |
Energy storage apparatus and discharge device for magnetic pulse welding and forming |
Feb. 19, 2002 |
| 6320155 |
Plasma enhanced wire bonder |
Nov. 20, 2001 |
| 6284997 |
Crack free welding of silicon |
Sep. 4, 2001 |
| 6265689 |
Method of underwater cladding using a powder-fan plasma torch |
Jul. 24, 2001 |
| 6255618 |
Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vapors |
Jul. 3, 2001 |
| 6236014 |
Method and apparatus for providing welding/plasma power |
May. 22, 2001 |
| 6215089 |
Plasma welding torch |
Apr. 10, 2001 |
| 6207922 |
Electric control for welding optical fibers |
Mar. 27, 2001 |
| 6201207 |
Torch angle setting apparatus |
Mar. 13, 2001 |
| 6198068 |
Method for plasma brazing |
Mar. 6, 2001 |
| 6172323 |
Combined laser and plasma arc welding machine |
Jan. 9, 2001 |
| 6156994 |
Arc-plasma method for welding metals |
Dec. 5, 2000 |
| 6153851 |
Power supply with thermistor precharge and protection circuit |
Nov. 28, 2000 |
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