| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Switzerland | 4 | |
| #3 | Denmark | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | United States | 2 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Surface technology and coating | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Coating metallic material | |
| #3 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perkiewicz Max | 17 |
| #2 | Ahrns Reinhold | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US771443A | Coating bricks and apparatus therefor. | |
| GB190403760A | Improvements in Coating Bricks and in Apparatus therefor | |
| US740040A | Manufacture of bricks. | |
| GB190312095A | Improvements in the Manufacture of Bricks. |