| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Measurement | |
| #5 | Transport | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Unspecified technologies | |
| #3 | Supplying combustion engines | |
| #4 | Brushes | |
| #5 | Vehicle transmission mounting | |
| #6 | Cyclically operating valves | |
| #7 | Weighing | |
| #8 | Domestic washing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stephens Percy W | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2308320A | Pressure cooker | |
| US2200903A | Valve for pressure cookers | |
| US2133060A | Closure for pressure cookers | |
| US2111997A | Juice extractor | |
| US2191975A | Pressure cooker | |
| US2084067A | Vegetable tool | |
| US1843934A | Letter scale and paper cutter | |
| US1895496A | Steel wool holder | |
| US1818284A | Detachable handle for cooking utensils | |
| US1748370A | Fountain brush | |
| US1615527A | Auxiliary air intake for motors | |
| US1583808A | Fuel-reservoir system | |
| US1470775A | Fuel-reserve system |