Hard hat with filtered, battery-operated air flow system and method
US10653197B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2018 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Jul 6, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A hard hat with air flow system includes a hard hat with an air flow passage for passing air through the hard hat and out exits ports at the front of the hat to provide a shield of air downward across the face of a user. The system includes an air filtration system, a blower assembly for drawing air through the air filter and pushing the filtered air into the air flow passage of the hard hat, and a power supply for powering the blower. The filtration system, blower assembly and power supply being supported on a harness such as a belt or backpack, external from the hard hat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.