| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | Denmark | 1 | |
| #8 | Spain | 1 | |
| #9 | Finland | 1 | |
| #10 | Greece | 1 | |
| #11 | India | 1 | |
| #12 | Norway | 1 | |
| #13 | New Zealand | 1 | |
| #14 | United States | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Winches | |
| #3 | Handling thin material | |
| #4 | Dry-docking of vessels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walker Terence David | 11 |
| #2 | Sothcott Ian | 3 |
| #3 | Grant David Alexander William | 3 |
| #4 | Mowat William | 3 |
| #5 | Tait Brian | 3 |
| #6 | Walker Terence D | 1 |
| #7 | Walker T D | 1 |
| #8 | Walber Terence David | 1 |
| #9 | David Walker Terence | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0017628D0 | Fairlead | |
| NZ218008A | Underwater vehicle with view port | |
| CN1006457B | View port for an underwater vehicle |