| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Austria | 3 | |
| #3 | Denmark | 2 | |
| #4 | Canada | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hengerer Karl | 10 |
| #2 | Karl Hengerer | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA115872A | Artificial lumber | |
| US888399A | Artificial lumber. | |
| GB190713425A | Improvements in the Manufacture of Artificial Wood, Artificial Wood Boards, Planks and Beams. |