| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | United States | 2 | |
| #3 | Israel | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games | |
| #3 | Machines | |
| #4 | Control | |
| #5 | Environmental technology | |
| #6 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karmel Israel | 10 |
| #2 | Barnett Norman S | 1 |
| #3 | Karmel Michael | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2252350A1 | Water saving apparatus | |
| CA2152858A1 | Vacuum system | |
| CA2121875A1 | Shade tilting system | |
| WO9419573A1 | Shade operating system | |
| CA2110206A1 | Collapsible ladder | |
| CA2096473A1 | Positive shade operating system | |
| CA2090542A1 | Shade operating system | |
| US5171340A | Vacuum filter unit | |
| US5061305A | Vacuum filter unit | |
| CA708867A | Chair unit for children |