| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Canada | 3 | |
| #3 | Ecuador | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Republic of Korea | 3 | |
| #6 | Mexico | 3 | |
| #7 | Norway | 3 | |
| #8 | WIPO (World Intellectual Property Organization) | 3 | |
| #9 | African Regional Industrial Property Organization | 2 | |
| #10 | China | 2 | |
| #11 | Costa Rica | 2 | |
| #12 | EAPO (Eurasian Patent Organization) | 2 | |
| #13 | Israel | 2 | |
| #14 | New Zealand | 2 | |
| #15 | African Intellectual Property Organization | 2 | |
| #16 | Ukraine | 2 | |
| #17 | United States | 2 | |
| #18 | South Africa | 2 | |
| #19 | Brazil | 1 | |
| #20 | Cuba | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering | |
| #3 | Semiconductors | |
| #4 | Pharmaceuticals | |
| #5 | Biotechnology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Winfield Alan H | 28 |
| #2 | Clarahan Gregory L | 11 |
| #3 | Windfield Alan H | 1 |
| #4 | Alan H Winfield | 1 |
| #5 | Gregory L Clarahan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008000195A1 | Insulating window incorporating photovoltaic cells and a pressure equalization system | |
| CA2551356A1 | Insulating window incorporating photovoltaic cells and a pressure equalization system | |
| ZA200505379B | Sealing system for an energy efficient window | |
| ZA200504146B | Energy efficient window | |
| NZ541012A | Sealing system for an energy efficient window | |
| OA13037A | Sealing system for an energy efficient window. | |
| KR20050089004A | Energy efficient window | |
| AU2002342459A1 | Energy efficient window | |
| NZ540011A | Energy efficient window | |
| OA13083A | Energy efficient window. |