| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 25 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Mechanical elements | |
| #5 | Machine tools | |
| #6 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Robertshaw Frederick W | 25 |
| #2 | Robertshaw George A | 7 |
| Publication | Filing date | Title |
|---|---|---|
| US1787798A | Threading tool | |
| US1824057A | Diaphragm valve and method of operating the same | |
| US1589902A | Thermostatic valve | |
| US1584400A | Gas range | |
| US1505729A | Water-heating apparatus | |
| US1455663A | Thermostat | |
| US1450756A | Gas range | |
| US1455662A | Thermostatic valve mechanism | |
| US1528634A | Burner system | |
| US1387618A | Thermostat | |
| US1339368A | Thermostatic valve mechanism | |
| US1292518A | Flushing-valve for closet-tanks. | |
| US1292517A | Vent-t for lavatories. | |
| US1292516A | Thermostatic valve mechanism. | |
| US1125596A | Tank-valve. | |
| US1097265A | Water-heater. | |
| US998262A | Thermostatic valve. | |
| US986760A | Thermostatic valve. | |
| US935408A | Water-heater. | |
| US864263A | Thermostat. |