| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Germany | 2 | |
| #3 | Czechoslovakia | 1 | |
| #4 | Spain | 1 | |
| #5 | France | 1 | |
| #6 | Norway | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Renstroem Otto | 1 |
| #2 | Asp Finn B | 1 |
| #3 | Tellstedt Rolf | 1 |
| #4 | Renstroem O | 1 |
| #5 | Renstrom O | 1 |
| #6 | Tellstedt R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CS199555B2 | Connection of hanging truss draw bar with the end of coupled box beam | |
| ES417902A1 | Improvements in the construction of beams or viguettes. (Machine-translation by Google Translate, not legally binding) | |
| DE2341089A1 | CARRIER | |
| GB1328471A | Concrete floor construction | |
| GB1335083A | Beam |