| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Hungary | 2 | |
| #7 | Mexico | 2 | |
| #8 | Norway | 2 | |
| #9 | New Zealand | 2 | |
| #10 | Poland | 2 | |
| #11 | United States | 2 | |
| #12 | WIPO (World Intellectual Property Organization) | 2 | |
| #13 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #14 | Czechia | 1 | |
| #15 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Solid waste disposal | |
| #2 | Dredging | |
| #3 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Owen Frank | 26 |
| #2 | Frank Owen | 1 |
| #3 | Owen Frank I | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0117611D0 | Recycled material mixing machine | |
| PL359463A1 | Recycled material and mixing machinery | |
| GB0101764D0 | Recycled aggregates and mixing machine | |
| GB0020851D0 | Mixing machine | |
| GB0017657D0 | Recycled aggregates |