| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Germany | 2 | |
| #5 | France | 2 | |
| #6 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waerum Julius N M | 2 |
| #2 | Krex Helge E | 2 |
| #3 | Krex Helge | 1 |
| #4 | Meyer Waerum Julius Nicolaj | 1 |
| #5 | Jorgen Weber Svend | 1 |
| #6 | Waerum Julius | 1 |
| #7 | Fjnar Krex Helge | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1189428A | Crane jib or crane mast | |
| US3338428A | Crane having a principal mast and a pivotable auxiliary jib | |
| FR1475119A | Boom crane | |
| US3349925A | Jib crane | |
| FR1362203A | Boom crane | |
| GB1001049A | A tower crane having a jib | |
| CA704476A | Crane having a jib |