| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 1 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Japan | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Sweden | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Corbett David A | 4 |
| #2 | Clark Frederick E | 4 |
| #3 | Janvier Lecomte | 1 |
| #4 | Furederitsuku Ii Kuraaku | 1 |
| #5 | Deibitsudo Ei Koobetsuto | 1 |
| #6 | Juri Kraft | 1 |
| #7 | Clark F E | 1 |
| #8 | Andreas Grutzmacher | 1 |
| #9 | Sophie Tallon | 1 |
| #10 | Corbett D A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4087036A | Friction welding method and apparatus |