| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Transport | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Closing and opening bottles | |
| #3 | Punching metal | |
| #4 | Reduction of greenhouse gas emissions | |
| #5 | Batteries | |
| #6 | Windows or door furnishings | |
| #7 | Vehicle wheels | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Henry G | 11 |
| #2 | Bergh Bror F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1988057A | Corkscrew | |
| US1930492A | Combination bottle opener, jar top remover, and corkscrew | |
| US1513352A | Pressed-metal article | |
| US1573206A | Pressed-metal hook and method of making the same | |
| US1446138A | Pressed metal wheel | |
| US1446137A | Handle | |
| US1374251A | Handle | |
| CA276230A | Battery connector | |
| CA3756A | Tack driving machine | |
| CA267275A | Pressed metal hook | |
| CA279098A | Battery connector |