| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | Japan | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Unspecified technologies | |
| #3 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Reynolds Roger G | 9 |
| #2 | Rojiyaa Jii Reinoruzu | 3 |
| #3 | Holtaway Thomas S | 3 |
| #4 | Slasinski Arthur L | 3 |
| #5 | Toomasu Sausu Horutauei | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4897912A | Method and apparatus for forming joints | |
| US4856316A | Apparatus for forming joints | |
| US4660403A | Die assembly | |
| US4716267A | Three phase high frequency spike welding system | |
| DE3506371A1 | Device for producing electrical pulses by means of a three-phase AC power supply | |
| US4560852A | Spike welding system having improved power supply | |
| US4458132A | Welding apparatus and control system therefor |