| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Unspecified technologies | |
| #3 | Containers for goods storage | |
| #4 | Foundry moulding | |
| #5 | Turning | |
| #6 | Metal-working | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hardwick Christopher L | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US2466847A | Oven door | |
| US2547117A | Oven door | |
| US2489962A | Oven door | |
| US2552373A | Stove door frame and door | |
| US2440798A | Clamping means | |
| US2420425A | Spacing bracket for crated stoves | |
| US2459879A | Clamping means | |
| US2268481A | Broiler rack operating mechanism | |
| US2276692A | Combination cutting board and towel drying member | |
| US2280122A | Door clamping device | |
| US2099440A | Stove | |
| US2102530A | Method of making burners | |
| US2022857A | Machine for making burners | |
| US2046682A | Method for making burners | |
| CA380131A | Stove |