| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | France | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | General building constructions | |
| #3 | Nails | |
| #4 | Unspecified technologies | |
| #5 | Structural elements | |
| #6 | Construction of bridges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thofehrn Georg | 5 |
| #2 | Georg Thofehrn | 1 |
| #3 | Heinrich Rauchholz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2187436A | Portable structure | |
| GB477484A | Improvements in or relating to portable structures | |
| GB140073A | Improvements in air-ship hangars |