| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings | |
| #2 | General building constructions | |
| #3 | Structural elements | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carroll Frank E | 10 |
| Publication | Filing date | Title |
|---|---|---|
| US4274239A | Building structure | |
| CA1078128A | Sheet metal structural shape and use in building structures | |
| GB1595211A | Sheet metal structulal shape and use in building structures | |
| US4120131A | Building structure | |
| US4267678A | Insulated roof structure | |
| US4048777A | Building deck structure | |
| CA1003180A | Insulated roofing structure and method | |
| CA1002722A | Insulated roofing structure and method |