| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | Germany | 4 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Fire-fighting | |
| #2 | Measuring force, work and fluid pressure | |
| #3 | Unspecified technologies | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Appleton Ronald John Walter | 3 |
| #2 | Walter Appleton Ronald John | 1 |
| #3 | Kindred Ronald George | 1 |
| #4 | Appleton R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2076652A | Fire extinguisher discharge head | |
| GB2088208A | Pressure container discharge head | |
| GB2050159A | Head mounting for pressure container | |
| GB1558414A | Pressure indicator | |
| GB1363945A | Fire extinguishing apparatus | |
| US3738311A | Pressure indicators | |
| GB1382643A | Fire extinguishing apparatus | |
| GB1349935A | Fire extinguishing apparatus | |
| GB1276656A | Improved safety strap |