| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | Czechia | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Japan | 1 | |
| #8 | Russian Federation | 1 | |
| #9 | Slovakia | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sperber Gerhard | 12 |
| Publication | Filing date | Title |
|---|---|---|
| SK26896A3 | Helmet, especially for cyclists and process for producing it | |
| EP0612483A1 | Helmet, especially protective helmet for cyclist, also method of manufacturing the same | |
| DE4329297A1 | Bicycle crash helmet | |
| DE4326667A1 | Bicycle helmet made of plastic, and process for its manufacture | |
| DE4305745A1 | Process for the manufacture of a bicycle helmet made of plastic, and bicycle helmet manufactured according to this process |