Protective helmets having energy absorbing shells
US10779600B2 · kind B2 · utility
0Cited by
18References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2015 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | May 6, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/06
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In one embodiment, a protective helmet includes an outer shell made of a polyethylene material, wherein the shell is locally deformable when impacted with a strong force and an inner liner provided within the outer shell. A protective helmet comprising: an outer shell made of a polyethylene material, wherein the shell is locally deformable when impacted with a strong force; and an inner liner provided within the outer shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.