| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 | |
| #6 | Germany | 1 | |
| #7 | France | 1 | |
| #8 | Ireland | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings | |
| #2 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pearse Thomas R | 3 |
| #2 | Pearse Thomas Richard | 3 |
| #3 | Allison John S | 3 |
| #4 | Pearse T | 2 |
| #5 | Allison John Skyrme | 2 |
| #6 | Allison J | 2 |
| #7 | Pearse T R | 1 |
| #8 | Allison John Skyme | 1 |
| #9 | Allison J S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3983675A | Roofing member | |
| AU8159175A | Sheetmetal roofing riles | |
| GB1402422A | Tiling or decking of roofs or walls | |
| CA957122A | Tiling of roofs | |
| US3760545A | Tiling of roofs |