| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Canada | 3 | |
| #3 | Denmark | 3 | |
| #4 | Finland | 3 | |
| #5 | Greece | 3 | |
| #6 | Norway | 3 | |
| #7 | Australia | 2 | |
| #8 | United States | 2 | |
| #9 | South Africa | 2 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Electrotherapy | |
| #2 | Unspecified technologies | |
| #3 | Measuring electric variables | |
| #4 | Skates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Esper Herbert | 19 |
| #2 | Esper Herbert Dipl-Ing Fh | 2 |
| #3 | Esper Herbert Burgermeister He | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0131636A1 | Apparatus for screening earth radiation | |
| EP0131060A1 | Device for partially determining voltages or charges on a human body and for diverting such voltages or charges from a human body | |
| FI810069L | Hopfaellbar eller hopvikbar skida | |
| EP0042443A1 | Folding or collapsible ski | |
| EP0042449A1 | Collapsible ski |