Sleeve-fit respirator cartridge
US10391338B2 · kind B2 · utility
4Cited by
79References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2016 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Nov 22, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B23/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A respirator apparatus includes a respirator body, a filter cartridge receiver integral with and extending from the respirator body, and a filter cartridge. The filter cartridge includes a nozzle element being integral with the filter cartridge. The respirator body and filter cartridge are configured to be fluidically coupled through sleeve-fit engagement between the filter cartridge receiver and nozzle element and the filter cartridge receiver and nozzle element define an airflow channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.