| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Austria | 2 | |
| #3 | Australia | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Germany | 2 | |
| #6 | Spain | 2 | |
| #7 | Italy | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Sweden | 2 | |
| #10 | United States | 2 | |
| #11 | Ireland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Surface technology and coating | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Cleaning | |
| #3 | Shaping of plastics | |
| #4 | Unspecified technologies | |
| #5 | Devices for applying fluent materials | |
| #6 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ross Louis Anthony Ralph | 8 |
| Publication | Filing date | Title |
|---|---|---|
| GB8511962D0 | Portable workbenches | |
| US4077080A | Device for passing through pipelines | |
| US4011100A | Pipe cleaning method and apparatus | |
| GB1352829A | Internal lining and sealing of hollow ducts | |
| GB1336122A | Apparatus for treating the internal surface of a pipeline | |
| GB1011503A | Improvements in and relating to draft excluders |