| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Systems controlling non-electric variables | |
| #4 | Gearing | |
| #5 | Domestic heating systems | |
| #6 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Terry Charles M | 7 |
| #2 | Marion Terry Charles | 2 |
| #3 | Hahn Arthur Mckee | 1 |
| #4 | Lamb William Doyle | 1 |
| #5 | Cash Arthur Wise | 1 |
| #6 | Butcher James | 1 |
| #7 | Chaniot George E | 1 |
| #8 | Hahn Arthur M | 1 |
| #9 | Gyllstrom Richard G | 1 |
| #10 | Cash Arthur W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3670760A | Backflow preventer | |
| US3143126A | Fuel control valve | |
| US2917075A | Flow control valve | |
| US3015963A | Valve mechanism | |
| US2917074A | Flow control valve | |
| US2789572A | Manual resettable temperaturepressure relief valve | |
| US2872939A | Flow control valve | |
| US2854025A | Automatic back pressure control valve | |
| US2719675A | Dip tube type automatic reseating pressure and temperature relief valve | |
| US2740586A | Automatic pressure and temperature relief valve | |
| US1697865A | Regulating valve for pressure control of hot-water heating systems | |
| CA647242A | Valve mechanism | |
| CA737794A | Fuel control valve | |
| CA287503A | Water valve |