| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Building materials | |
| #3 | Structural elements | |
| #4 | Doors and windows | |
| #5 | Working veneer |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andersen H H S | 2 |
| #2 | Andersen Hans Hakon Sigvardt | 2 |
| #3 | Gronhaug Bjorn | 1 |
| #4 | Henning Haugaard-Larsen | 1 |
| #5 | Andersen H H | 1 |
| #6 | Gronhaug B | 1 |
| #7 | Holtermand Kai Egon | 1 |
| #8 | Groenhaug Bjoern | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2538736A1 | METHOD AND DEVICE FOR THE PRODUCTION OF PLASTER BUILDING PANELS | |
| DE2234526A1 | Curtain walling - consists of slag wool blocks | |
| DE871829C | Hollow veneer panel with stiffening insert and method of manufacturing the insert |