| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Denmark | 4 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Doors and windows | |
| #3 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ducret Armand | 14 |
| Publication | Filing date | Title |
|---|---|---|
| GB105924A | Improved Framing of Reinforced Concrete for Door and Window Openings, and the like. | |
| GB105923A | Improvements in Concrete Stairs. | |
| GB191509303A | Improvements in Beams for the Construction of Floors, Roofing and Walls. |