| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 5 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Unspecified technologies | |
| #3 | Swimming pools | |
| #4 | Layered products | |
| #5 | Unspecified technologies | |
| #6 | Roof coverings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Geiger David H | 14 |
| #2 | Campbell David M | 1 |
| #3 | Berger Horst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5072555A | Super high-rise tower | |
| US5103600A | Multi-purpose stadium | |
| CA1240470A | Roof structure | |
| US4736553A | Roof structure | |
| CA1234269A | Roof structure | |
| US4452848A | Composite roof membrane | |
| US4013812A | Laminated fabric | |
| CA977926A | Roof construction | |
| US3886961A | Prestressed membrane structure | |
| US3899622A | Laminated fabric | |
| CA968111A | Roof construction | |
| CA968110A | Roof construction |