| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | Denmark | 2 | |
| #6 | Ireland | 2 | |
| #7 | Mexico | 2 | |
| #8 | Portugal | 2 | |
| #9 | United States | 2 | |
| #10 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holland John Anthony | 18 |
| #2 | Holland John A | 4 |
| Publication | Filing date | Title |
|---|---|---|
| AU1592492A | Suction cleaning head | |
| AU2781589A | Suction cleaning head | |
| EP0478007A2 | Suction cleaning head |