| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 2 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Greece | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering | |
| #3 | Agriculture | |
| #4 | Machines | |
| #5 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chapman Rick Jay | 4 |
| #2 | Chapman Rick J | 3 |
| #3 | Hertel Roger Donald | 2 |
| #4 | Kaiser Ewald A | 2 |
| #5 | Radtke Carl William | 2 |
| #6 | Lapp Theodore R | 2 |
| #7 | Kaiser Ewald Albert | 2 |
| #8 | Biedermann Siegfried Markus | 2 |
| #9 | Biedermann Siegfried M | 2 |
| #10 | Dietrich Douglas W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4742475A | Environmental control system | |
| US4527247A | Environmental control system | |
| US4494256A | Motorized pool cover | |
| US4471584A | Unitized skylight structure | |
| US4312157A | Greenhouse with hinged roof sections |