| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | Denmark | 2 | |
| #5 | Spain | 2 | |
| #6 | United States | 2 | |
| #7 | Australia | 1 | |
| #8 | Belgium | 1 | |
| #9 | Brazil | 1 | |
| #10 | Italy | 1 | |
| #11 | Netherlands | 1 | |
| #12 | Norway | 1 | |
| #13 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Climate change adaptation technologies | |
| #3 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hart Graham Arthur Nigel | 5 |
| #2 | Burleigh Bertie George Star Be | 5 |
| #3 | Ackroyd John Morton | 4 |
| #4 | Burleigh Bertie G S B | 2 |
| #5 | Hart Graham A N | 1 |
| #6 | Ackroyd J | 1 |
| #7 | Hart G A N | 1 |
| #8 | Morton Ackroyd John | 1 |
| #9 | Ackroyd J M | 1 |
| #10 | Bennet Burleigh Bertie George | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1372058A | Marine fender | |
| GB1283511A | Sealing system for hydraulic gates | |
| DE1209962B | fender | |
| US3106182A | Fender | |
| GB965270A | Fenders for hoses, pipes or cables and the like | |
| GB938112A | Improved marine fender | |
| DE1142556B | fender | |
| GB892541A | Improved fender | |
| CA660570A | Fender | |
| CA698227A | Fender |