| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | Netherlands | 2 | |
| #5 | Republic of Korea | 1 | |
| #6 | Singapore | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Construction of bridges | |
| #2 | Ships | |
| #3 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kalkman Pieter | 11 |
| #2 | Pieter Kalkman | 2 |
| #3 | Van Den Berg Mathijs Anne | 1 |
| #4 | Mathijs Anne Van Den Berg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2015450B1 | Ultra Large Crane, Mast Section therefore, and Method for Erecting such Hoisting Device. | |
| NL2014838A | Rotator with crane hook for mounting to a crane. |