| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 2 | |
| #2 | South Africa | 2 | |
| #3 | African Regional Industrial Property Organization | 1 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Denmark | 1 | |
| #9 | Egypt | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Finland | 1 | |
| #12 | France | 1 | |
| #13 | Greece | 1 | |
| #14 | Hungary | 1 | |
| #15 | Israel | 1 | |
| #16 | Japan | 1 | |
| #17 | Mexico | 1 | |
| #18 | Norway | 1 | |
| #19 | New Zealand | 1 | |
| #20 | African Intellectual Property Organization | 1 | |
| #21 | Portugal | 1 | |
| #22 | Tunisia | 1 | |
| #23 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Donze Pierre | 16 |
| #2 | Franck Jean-Pierre | 6 |
| #3 | Pierre Donze | 5 |
| #4 | Franck Jean Pierre | 3 |
| #5 | Frank Jean P | 2 |
| #6 | Frank Jean-Pierre | 2 |
| #7 | Jean-Pierre Franck | 2 |
| #8 | Frank Jean Pierre | 1 |
| #9 | Franck J P | 1 |
| #10 | Pierre Franck Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5149116A | Balanced multi-wheel wheelbarrow | |
| FR2587668A1 | Balanced loaded wheelbar with carrier wheels and variable spacers |