| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Taylor Douglas B | 7 |
| #2 | Jerry Craig | 4 |
| #3 | Kirkey Calvin | 2 |
| #4 | Taylor Douglas | 2 |
| #5 | Quigg David | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5964270A | Roll-up door with low friction edges | |
| CA2038862A1 | Compensating mechanism for variable speed roll-up door | |
| CA1286591C | Apparatus for opening and closing roll-up door | |
| CA1260025A | Apparatus for opening and closing industrial door |