| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Austria | 3 | |
| #3 | Belgium | 2 | |
| #4 | Germany | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | General building constructions | |
| #3 | Armour |
| # | Name | Total Patents |
|---|---|---|
| #1 | Luding Gustav | 6 |
| #2 | Gustav Luding | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB1169808A | Improvements in Prefabricated Steel-Concrete Bunkers |