| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Materials and metallurgy | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Non-positive-displacement pumps | |
| #3 | Unspecified technologies | |
| #4 | Foundry moulding | |
| #5 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grundstrom Erik G | 7 |
| #2 | Funk James M | 2 |
| #3 | Le Rette Jerome H | 1 |
| #4 | Nels Shoan | 1 |
| #5 | Lerette Jerome H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2570228A | Adjustable relief valve for pressure cookers | |
| US2522579A | Cookware handle insulator | |
| US2284141A | Suction fan unit | |
| US2290423A | Air moving apparatus | |
| US2173999A | Fuse plug for pressure cookers | |
| US2294746A | Valve means for pressure cookers | |
| US2150219A | Aluminum alloys | |
| US2109530A | Method and means for making castings | |
| US2188735A | Pressure cooker | |
| US2072569A | Detachable handle | |
| CA396471A | Aluminium alloy | |
| CA487381A | Cookware handle insulator |