| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leonard Frederick C | 15 |
| #2 | Germain Ross | 1 |
| #3 | Rooke George F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2180362A | Manufacture of thermostatic mixing valves | |
| US2246690A | Thermostatic material | |
| US2159033A | Fluid mixing valve | |
| US2175203A | Thermostatic mixer | |
| US2081938A | Valve construction | |
| US1957276A | Thermostatic mixing regulator | |
| US2115027A | Warning signal for hydrotherapeutic systems | |
| US2110884A | Thermostatic device | |
| US2019144A | Thermostatic control mechanism | |
| US2242649A | Thermostatic regulator | |
| US1158696A | Coin-delivery mechanism. | |
| CA395953A | Fluid mixing valve | |
| CA409576A | Thermostatic regulator | |
| CA358334A | Thermostatic mixer regulator | |
| CA383013A | Valve |