| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Germany | 3 | |
| #3 | Austria | 2 | |
| #4 | Belgium | 2 | |
| #5 | Denmark | 2 | |
| #6 | Finland | 2 | |
| #7 | France | 2 | |
| #8 | United Kingdom | 2 | |
| #9 | Norway | 2 | |
| #10 | Canada | 1 | |
| #11 | Switzerland | 1 | |
| #12 | Ireland | 1 | |
| #13 | Italy | 1 | |
| #14 | Netherlands | 1 | |
| #15 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | General building constructions | |
| #3 | Working stone | |
| #4 | Processes for applying fluent materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dahlberg Ernst Erik | 3 |
| #2 | Stern L E | 3 |
| #3 | Bergvall K | 3 |
| #4 | Pedersen N | 3 |
| #5 | Dahlberg E | 3 |
| #6 | Bergvall Knut Lennart | 3 |
| #7 | Bergvall K L | 1 |
| #8 | Bergvall Knut L | 1 |
| #9 | Stern L | 1 |
| #10 | Stern Leif Einar | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2456662A1 | METHOD AND TOOL FOR DISASSEMBLING PRODUCTS MADE OF ASBESTOS CEMENT OR OTHER MATERIALS WITH SIMILAR PROPERTIES | |
| US3844081A | Outer wall structure of prefabricated wall elements | |
| GB1403135A | Outer wall structure of prefabricated wall elements | |
| CA982775A | Outer wall structure of prefabricated wall elements | |
| IE38078B1 | Outer wall structure of prefabricated wall elements |