| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | France | 5 | |
| #3 | United Kingdom | 5 | |
| #4 | United States | 5 | |
| #5 | Sweden | 4 | |
| #6 | South Africa | 3 | |
| #7 | Australia | 2 | |
| #8 | Italy | 2 | |
| #9 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Brushes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smyth D N | 7 |
| #2 | Smyth D | 5 |
| #3 | Heard B | 4 |
| #4 | Smyth Donald Nation | 3 |
| #5 | Smyth Donald N | 3 |
| #6 | Heard Bruce Alexander George | 2 |
| #7 | Heard Bruce A G | 2 |
| #8 | Nation Smyth Donald | 1 |
| #9 | Robinson Paul Eastcott | 1 |
| #10 | Robinson P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7405497B | Carpet shampoo apparatus | |
| ZA7107105B | Improvements in or relating to carpet sweepers | |
| AU3894472A | Improvements in or relating to carpet sweepers | |
| GB1358177A | Carpet sweepers | |
| US3609049A | Hand shampoo and supply tray | |
| AU2639967A | Carpet shampoo apparatus |