| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | Australia | 7 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | Finland | 2 | |
| #5 | Norway | 2 | |
| #6 | New Zealand | 2 | |
| #7 | South Africa | 2 | |
| #8 | Denmark | 1 | |
| #9 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Ships | |
| #3 | Chairs and beds | |
| #4 | Air-cushion vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walker John Graham | 30 |
| #2 | Walker Jean Margaret | 2 |
| #3 | John Graham Walker | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0518311D0 | Marine thrust wings | |
| GB9913149D0 | Anchor handling mechanism | |
| GB8922141D0 | Directional control of air cushion vehicles | |
| ZA8900422B | Wingsail | |
| AU2708488A | Wingsail control systems | |
| AU6280886A | Aerofoil |