| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | Germany | 2 | |
| #3 | Belgium | 1 | |
| #4 | France | 1 | |
| #5 | Luxembourg | 1 | |
| #6 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Sewers | |
| #3 | Shafts | |
| #4 | Shaping clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guymer Robert Richard | 3 |
| #2 | Gaskin Boris | 2 |
| #3 | Dee Denis Richard | 2 |
| #4 | Gould Gilbert Cecil Manwaring | 1 |
| #5 | Bateman Edward Hugh | 1 |
| #6 | Hyson D | 1 |
| #7 | Hyson Denis William | 1 |
| #8 | Gaskin B | 1 |
| #9 | Waite T H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8412295D0 | Composite pipes | |
| GB2058877A | Tunnel linings | |
| GB1576573A | Pipe joints | |
| GB1498412A | Aggresive effluent resistant coating | |
| GB1393363A | Pipe joints | |
| GB1034303A | Improvements in or relating to linings for tunnels and shafts | |
| GB863266A | Improvements in or relating to linings for tunnels and shafts | |
| GB662954A | Improvements in and relating to centrifugally moulded reinforced concrete tubes | |
| GB555920A | Method of spinning concrete poles, columns, pipes and other concrete units |