| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 14 | |
| #2 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Measurement | |
| #3 | Control | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barker Clifford L | 12 |
| #2 | Barker Clifford Lewis | 1 |
| #3 | Walker Richard Fife | 1 |
| #4 | Arbon Dennis Charles | 1 |
| #5 | Arbon Dennis C | 1 |
| #6 | Beck Nicholas John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2107093A | Automatic reading of public utility meters or the like | |
| GB737333A | Improvements in, or relating to, fluid mixing valves | |
| CA561153A | Fluid mixing devices | |
| CA498913A | Thermostatic fluid mixing device | |
| CA498914A | Fluid mixing devices | |
| CA903626A | Fluid control assemblies | |
| CA778282A | Taps or faucets | |
| CA563015A | Fluid mixing valve | |
| CA435658A | Valve | |
| CA655431A | Non-return valves | |
| CA655430A | Fluid mixing devices | |
| CA585825A | Fluid mixing valve | |
| CA615824A | Mixing valve | |
| CA818215A | Fluid mixing devices | |
| CA624949A | Fluid-flow indicators | |
| CA848309A | Fittings for mounting accessories on walls and like supports |