Unpowered respiratory protective headset and body suit and additional improvements to personal protective equipment
US11697036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2020 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Nov 27, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/082
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An unpowered respiratory protective headset for personal protective equipment and personal protective bodysuits with an unpowered respiratory protective headset, the unpowered respiratory protective headset having a respiratory mask having a flexible mask body having an interface section and defining a mask air inlet and a mask air outlet, an inhalation valve in the mask air inlet and an exhalation valve in the mask air outlet, and a hood having a hood body and a transparent face shield attached to the hood body. The hood has an air inlet and an air outlet and the air inlet, the mask air inlet, the mask air outlet and the air outlet are configured relative to each other to direct air flow across an inner surface of the transparent face shield to prevent or reduce fogging of the transparent face shield during inhalation and exhalation by a subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.