| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cooper Herbert E | 11 |
| #2 | Defazekas Josef P | 9 |
| #3 | Smith Earl Dallas | 4 |
| #4 | Smith E Dallas | 4 |
| #5 | Smith Earl D | 2 |
| #6 | De Fazekas Josef P | 2 |
| #7 | Dallas Smith E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5016912A | Trailer suspension apparatus | |
| US4934733A | Trailer suspension apparatus | |
| US4878691A | Trailer suspension apparatus |