| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | General building constructions | |
| #3 | Sewers | |
| #4 | Air-conditioning | |
| #5 | Structural elements |
| Publication | Filing date | Title |
|---|---|---|
| GB1133413A | Expansion joint covers | |
| GB1126866A | Expansion joint covers | |
| GB1091567A | Expansion joint filler | |
| GB1033878A | Aerofoil type louver blade | |
| GB1038921A | Gratings | |
| GB1002630A | Ventillating device | |
| GB1020738A | Grille supporting structure | |
| GB921411A | Improvements relating to hollow spars | |
| GB923163A | Improvements relating to lath blinds and similar screens | |
| GB930254A | Improvements in grilles, screens and the like |