Patent · US Active

Breathing mask

US7770581B2 · kind B2 · utility

4Cited by

12References

18Claims

0Family size

Assignee

DRÄGER SAFETY AG & CO. KGAA · DE

Inventors

Olaf Balke · Reinfeld, DE
Manfred Gdulla · Wulfen, DE
Siegbert Tolk · Lübeck, DE

Key dates

Filing date	Jan 25, 2006
Grant date	Aug 10, 2010
Priority date	—
Expiry date	Jan 28, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA62B18/10
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A breathing mask shall has an inspiration valve (4) that can be replaced in a simple manner. The breathing valve (4) is designed for this purpose as a modular assembly unit that can be inserted into the breathing gas channel (3) from the outer side (10) of the mask.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.