| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Sweden | 3 | |
| #4 | United States | 3 | |
| #5 | Germany | 2 | |
| #6 | Japan | 2 | |
| #7 | Finland | 1 | |
| #8 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Medical technology | |
| #3 | Semiconductors | |
| #4 | Machines | |
| #5 | Optics | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Hats | |
| #2 | Implantable devices | |
| #3 | Unspecified technologies | |
| #4 | Semiconductor devices | |
| #5 | Spectacles | |
| #6 | Shafts | |
| #7 | Live-saving devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hellberg Arne | 9 |
| #2 | Hellberg A | 3 |
| #3 | Arune Heruberuku | 2 |
| #4 | Korny Kazimierez Jan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4442551A | Adapter for a protective helmet | |
| SE7905651L | Hinge | |
| US4209264A | Sliding block support | |
| CA1127801A | Mounting means for a face shield at a protective helmet |