| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Italy | 2 | |
| #6 | Mexico | 2 | |
| #7 | Singapore | 2 | |
| #8 | United States | 2 | |
| #9 | Australia | 1 | |
| #10 | Belgium | 1 | |
| #11 | Republic of Korea | 1 | |
| #12 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Phalen Thomas E Jr | 7 |
| #2 | Burgoyne John V | 7 |
| #3 | Phalen Thomas E | 5 |
| #4 | Phalen Thomas Everett | 2 |
| #5 | Phalen Jr Thomas E | 2 |
| #6 | Burgoyne J V | 1 |
| #7 | Burgoyne John | 1 |
| #8 | Burgoyne John Vincent | 1 |
| #9 | Phalen T E Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8402342A | Block for covering roofs - has two parallel edges which are chamfered through identical angle w.r.t.. vertical | |
| US4506483A | Roof construction | |
| US4535579A | Roof ballast block |