| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation | |
| #2 | Meteorology | |
| #3 | Measuring electric variables | |
| #4 | Climate change adaptation technologies | |
| #5 | Static electricity |
| # | Name | Total Patents |
|---|---|---|
| #1 | Markson Ralph J | 9 |
| #2 | Govaert Johan A | 5 |
| #3 | Anderson Bruce E | 3 |
| #4 | Ruhnke Lothar H | 3 |
| #5 | Uhlir Jr Arthur | 1 |
| #6 | Warwick James W | 1 |
| #7 | Markson Ralph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9705508A2 | Lightning locating system | |
| US4996473A | Microburst/windshear warning system | |
| US5057820A | Optical warning system | |
| US4950978A | Atmospheric potential measurement device | |
| US4801942A | Interferometeric lightning ranging system |