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Class Information
Number: 219/110
Name: Electric heating > Metal heating (e.g., resistance heating) > For bonding with pressure (e.g., resistance welding) > Systems of current supply > Controlled in response to current, voltage, or temperature
Description: Subject matter which is controlled in response to current in, voltage at or temperature of the workpiece.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7543732 |
Evaluation method and evaluation apparatus for spot welded portion |
Jun. 9, 2009 |
| 7432466 |
Method of electrical resistance spot welding |
Oct. 7, 2008 |
| 7388171 |
Power supply apparatus for welder |
Jun. 17, 2008 |
| 7291803 |
Method and device to obtain information to evaluate the quality of a resistance welding connection and/or to control or regulate a resistance welding method |
Nov. 6, 2007 |
| 7282663 |
Forge welding process |
Oct. 16, 2007 |
| 7259349 |
Method for monitoring the quality of spot welding |
Aug. 21, 2007 |
| 7253632 |
Method for qualifying joints and contacts of electric circuits |
Aug. 7, 2007 |
| 7247810 |
Module for resistance welding tongs |
Jul. 24, 2007 |
| 7145097 |
Method and apparatus for electrical resistance spot welding using electrical servo actuator |
Dec. 5, 2006 |
| 7127438 |
Method of regulating and controlling a technical process such as spot-welding of metal sheets |
Oct. 24, 2006 |
| 7039500 |
Multiple arm robot arrangement |
May. 2, 2006 |
| 6920371 |
Welding system and methodology providing multiplexed cell control interface |
Jul. 19, 2005 |
| 6907318 |
Multi-station robotic welding assembly |
Jun. 14, 2005 |
| 6906276 |
Resistance spot welding control device and method |
Jun. 14, 2005 |
| 6903298 |
Resistance welding control method |
Jun. 7, 2005 |
| 6813538 |
Welding system |
Nov. 2, 2004 |
| 6795778 |
System and method for facilitating welding system diagnostics |
Sep. 21, 2004 |
| 6757586 |
Multiple arm robot arrangement |
Jun. 29, 2004 |
| 6737603 |
SW micro welder for directly welding enameled wires |
May. 18, 2004 |
| 6728602 |
Control system for an electric heater |
Apr. 27, 2004 |
| 6697701 |
Welding system and methodology providing multiplexed cell control interface |
Feb. 24, 2004 |
| 6671952 |
Method of lead wire connection |
Jan. 6, 2004 |
| 6633016 |
Resistance welding method |
Oct. 14, 2003 |
| 6627841 |
Method for designing a weld fixture based on predicted stresses and distortions |
Sep. 30, 2003 |
| 6624379 |
Method and apparatus for welding a metal fastener to a metal member |
Sep. 23, 2003 |
| 6609033 |
Field programmable welding controller |
Aug. 19, 2003 |
| 6586701 |
Resistance welding method and device |
Jul. 1, 2003 |
| 6545243 |
Dynamic weld power termination for hot-staking armature commutators |
Apr. 8, 2003 |
| 6518536 |
Joining equipment |
Feb. 11, 2003 |
| 6515251 |
Welding system and method |
Feb. 4, 2003 |
| 6506997 |
Spot welding system and method for sensing welding conditions in real time |
Jan. 14, 2003 |
| 6459065 |
Resistance welding power supply apparatus |
Oct. 1, 2002 |
| 6455802 |
Resistance welding power supply apparatus |
Sep. 24, 2002 |
| 6444942 |
Welding control systems |
Sep. 3, 2002 |
| 6423950 |
Reflow soldering apparatus |
Jul. 23, 2002 |
| 6417479 |
Wire changing in an armature winder |
Jul. 9, 2002 |
| 6414259 |
Inter-welding electrode moving amount detecting method and apparatus thereof |
Jul. 2, 2002 |
| RE37607 |
Resistance projection welding system and method for welding a fastener element to a workpiece |
Mar. 26, 2002 |
| 6359566 |
Welding machines |
Mar. 19, 2002 |
| 6337458 |
Method for automatically selecting the welding sequence for manual welding electrode holders; manual welding electrode holder for implementing the method |
Jan. 8, 2002 |
| 6326580 |
Joining apparatus |
Dec. 4, 2001 |
| 6321167 |
Resistance-welding power supply apparatus |
Nov. 20, 2001 |
| 6294753 |
Resistance welding machine control method |
Sep. 25, 2001 |
| 6265688 |
Method of welding metals and apparatus for use therefor |
Jul. 24, 2001 |
| 6252211 |
Method of joining metal pieces |
Jun. 26, 2001 |
| 6232572 |
Spot welding control system and control method |
May. 15, 2001 |
| 6218638 |
Method for inspecting the quality in resistance welding |
Apr. 17, 2001 |
| 6160235 |
Measurement of welds |
Dec. 12, 2000 |
| 6153848 |
Welding quality decision apparatus and welding machine provided with the same |
Nov. 28, 2000 |
| 6140825 |
Method and apparatus for evaluating quality of resistance welds |
Oct. 31, 2000 |
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