| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Spain | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 | |
| #6 | Canada | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Surface technology and coating | |
| #4 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | H Holzveredelung G M B | 3 |
| #2 | Oexmann Heirich | 1 |
| #3 | Holzveredelung G M B H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB217095A | A process for hardening wood | |
| GB168064A | An improved process for hardening and waterproofing wood | |
| CA229685A | Method of hardening and waterproofing wood |