| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Germany | 3 | |
| #4 | Switzerland | 1 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Unspecified technologies | |
| #3 | General building constructions | |
| #4 | Climate change adaptation technologies | |
| #5 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Huddle Carl F | 8 |
| #2 | Frederick Huddle Carl | 3 |
| #3 | Huddle Carl Frederick | 1 |
| #4 | Carl Frederick Huddle | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1049369A | Pavilion with series of arches and method of constructing it | |
| US3465764A | Damping means for portable structure | |
| ES307586A3 | An architectural structure, especially portable or semipermanent type. (Machine-translation by Google Translate, not legally binding) | |
| US3215153A | Architectural structure | |
| CA741118A | Architectural structure |