| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 92 | |
| #2 | Australia | 4 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | France | 3 | |
| #5 | Germany | 2 | |
| #6 | Italy | 2 | |
| #7 | Belgium | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Machines | |
| #5 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roberts Peter Derek | 13 |
| #2 | Garcha Amrik Singh | 7 |
| #3 | Young Herbert Edward | 6 |
| #4 | James Robert | 5 |
| #5 | Croton David Alan | 3 |
| #6 | Horrobin Philip | 3 |
| #7 | Evans Peter | 3 |
| #8 | Mcverry Francis Peter | 2 |
| #9 | Prosser Reginald Jesse | 2 |
| #10 | Page Michael | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB0126279D0 | Motorised gas control valve | |
| EP1039229A2 | Improvements in or relating to gas appliances | |
| GB0001368D0 | A gas valve housing | |
| GB9928844D0 | Valve assembly | |
| GB9916741D0 | Improvements in or relating to gas appliances | |
| GB9910944D0 | Manual override mechanism | |
| GB9907071D0 | Valve assembly | |
| GB9906545D0 | Improvements in or relating to gas appliances | |
| GB9905800D0 | Valve assembly | |
| GB9826720D0 | Valve assembly | |
| GB9825773D0 | Switch | |
| GB9812764D0 | Valve assembly | |
| EP0884531A2 | Valve assembly | |
| GB9804608D0 | Gas flow control | |
| GB9801226D0 | Valve assembly | |
| GB9712388D0 | Valve assembly | |
| GB9424348D0 | Gas valves | |
| GB9325678D0 | Gas taps | |
| GB9324913D0 | Gas control valves | |
| GB9311096D0 | Improvements relating to valves for controlling the flow of fluid |