| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | Belgium | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Japan | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Ice-boxes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kaak Stephanus Willebrordus | 5 |
| #2 | Kaak Stephanus W | 4 |
| #3 | Kaak Stephanus Willibrordus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8902732A | Transporter for a treatment plant. | |
| US3865227A | Multi-floor conveyor and storage apparatus | |
| CA955554A | Conveyor storage device |