| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Systems controlling non-electric variables | |
| #2 | Fluid heaters | |
| #3 | Domestic stoves | |
| #4 | Burners | |
| #5 | Unspecified technologies | |
| #6 | Indexing scheme relating to hinges | |
| #7 | Steam generation | |
| #8 | Venting or aerating devices | |
| #9 | Spraying devices | |
| #10 | Wing fittings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parisen Robert T | 9 |
| #2 | Lawson Lindley S | 4 |
| #3 | Jones Chester D | 2 |
| #4 | Oscar Katzenberger | 1 |
| #5 | Tobias John M | 1 |
| #6 | Kenney John J | 1 |
| #7 | Lawson William E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2480658A | Gravity-fed gas burner | |
| US2480657A | Water heater | |
| US1683082A | Heater | |
| US1482798A | Valve | |
| US1383815A | Pivot spring-hinge | |
| US1272306A | Gas-stove. | |
| US1278001A | Thermostatic valve. | |
| US1278002A | Thermostatic valve. | |
| US1188985A | Gas-burner. | |
| US1172028A | Water-heater. | |
| US1116912A | Gas-burner. | |
| US1102070A | Thermostatic valve. | |
| US1105338A | Stand-boiler burner-chamber. | |
| US1104381A | Stand-boiler. | |
| US1075934A | Thermostatic valve. | |
| US1059739A | Vapor generator and burner. | |
| US1038159A | Thermostatic valve. | |
| US1121691A | Gas-stove. | |
| US943617A | Gas heating apparatus. | |
| DE386341C | Gas stove with combustion chamber |