| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Austria | 1 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sugg P | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB2098709A | Air flow control device | |
| GB2076996A | Temperature control circuit | |
| GB1580585A | Flame failure devices for gas fired equipment | |
| GB1507871A | Control of low thermal capacity domestic central heating boilers | |
| GB1405549A | Vertical balanced flue terminal | |
| GB1452265A | Atmosphere control in dwellings | |
| GB1386447A | Flue terminal for balanced flue gas appliances | |
| US3711074A | Heat exchanger apparatus |