| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Canada | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Hungary | 1 | |
| #5 | India | 1 | |
| #6 | Japan | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Mexico | 1 | |
| #9 | Norway | 1 | |
| #10 | New Zealand | 1 | |
| #11 | Poland | 1 | |
| #12 | Russian Federation | 1 | |
| #13 | Taiwan | 1 | |
| #14 | Ukraine | 1 | |
| #15 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Traffic control systems | |
| #2 | Platform constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dicks Martin Edward | 11 |
| #2 | Dicks Martin E | 2 |
| #3 | Martin Edward Dicks | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5412381A | Signalling means |