| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 2 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Mexico | 2 | |
| #5 | United States | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Shafts | |
| #3 | Vehicle signalling and lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoffmann Frank F | 11 |
| #2 | Thurber William E F Jr | 10 |
| #3 | Somerville Richard | 8 |
| #4 | Hoffmann Arnold | 7 |
| #5 | Hoffmann Richard W | 4 |
| #6 | Hoffmann Arnold R | 3 |
| #7 | Somerville Richard C | 2 |
| #8 | Thurber William E F | 1 |
| #9 | Thurber Jr William E F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MXPA02009589A | Enclosed track conveyor chain assembly. | |
| AU1801601A | Conveyor components | |
| US1327605A | Direction-indicator |