| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Australia | 2 | |
| #4 | Canada | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Installation of electric cables | |
| #2 | Finishing work on buildings | |
| #3 | General building constructions | |
| #4 | Structural elements | |
| #5 | Unspecified technologies | |
| #6 | Ice-boxes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Payne Harold James William | 6 |
| #2 | Litzenberger Ernest N | 4 |
| #3 | Payne Harold J W | 4 |
| #4 | Derr Dennis E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4974383A | Sandwich panel | |
| US4844975A | Reinforced composite sandwich panel assembly | |
| US4976081A | Sandwich panel assembly | |
| GB8704562D0 | Flooring systems | |
| GB8704563D0 | Segregated in-floor service feeds | |
| AU5620686A | Flooring systems with segregated service feeds | |
| US4922668A | Service access unit for floors |