| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Netherlands | 3 | |
| #4 | Belgium | 1 | |
| #5 | Denmark | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dumenil Louis P | 8 |
| #2 | Dumenil Claude G | 7 |
| #3 | Dumenil Claude Georges | 2 |
| #4 | Dumenil Louis Pierre | 1 |
| #5 | Dumenil Caude G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK183183D0 | Sealing device for doors, windows and similar building parts | |
| CA1098144A | Automatic skirting board | |
| US4348836A | Automatic base seal | |
| NL7707400A | Automatic sealing for a door or similar panel. |