| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Switzerland | 4 | |
| #3 | Denmark | 4 | |
| #4 | Spain | 3 | |
| #5 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Metal tempering | |
| #3 | Rolling metal | |
| #4 | General building constructions | |
| #5 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gillberg Johannes | 9 |
| #2 | Johannes Gillberg | 4 |
| Publication | Filing date | Title |
|---|---|---|
| ES196584A1 | A procedure to manufacture armored iron hands provided with highlights | |
| ES195345A1 | A machine to manufacture armored irons provided with highlights | |
| ES172303A1 | Improvements introduced to reinforcement members intended for the construction of floors, wall and similar structures | |
| CA364715A | Frame-work arrangement | |
| CA725390A | Method and apparatus for the manufacture of reinforcing bars | |
| CA548900A | Reinforcing bars | |
| CA461356A | Reinforcement member |