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Class Information
Number: 434/234
Name: Education and demonstration > Occupation > Soldering or welding
Description: Subject matter relating to welding or soldering, including devices for simulating the "puddle" created by a welding torch.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7596541 |
Method and apparatus of assuring informed consent while conducting secure clinical trials |
Sep. 29, 2009 |
| 6572379 |
Self instruction welding kit |
Jun. 3, 2003 |
| 6359566 |
Welding machines |
Mar. 19, 2002 |
| 6164972 |
Educational doll |
Dec. 26, 2000 |
| 5823785 |
Simulator for pipe welding |
Oct. 20, 1998 |
| 5320538 |
Interactive aircraft training system and method |
Jun. 14, 1994 |
| 5180440 |
Printed circuit thermocouple arrangements for personnel training and equipment evaluation purposes |
Jan. 19, 1993 |
| 4931018 |
Device for training welders |
Jun. 5, 1990 |
| 4867685 |
Audio visual instructional system |
Sep. 19, 1989 |
| 4716273 |
Electric-arc trainer for welders |
Dec. 29, 1987 |
| 4689021 |
Spark trainer for welders |
Aug. 25, 1987 |
| 4680014 |
Welder's trainer |
Jul. 14, 1987 |
| 4595368 |
Instructional apparatus for underwater welding |
Jun. 17, 1986 |
| 4452589 |
Arc welding simulator |
Jun. 5, 1984 |
| 4224744 |
Circuitry for teaching soldering and practice circuit board for use therewith |
Sep. 30, 1980 |
| 4132014 |
Welding simulator spot designator system |
Jan. 2, 1979 |
| 4124944 |
Device for teaching and evaluating a person's skill as a welder |
Nov. 14, 1978 |
| 4041615 |
Small-motion test device |
Aug. 16, 1977 |
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