Patent · US Expired

Breathing mask with breathing gas supply through the strap

US7481220B2 · kind B2 · utility

68Cited by

19References

25Claims

0Family size

Assignee

Drägerwerk Aktiengesellschaft · DE

Inventors

Jorg Meyer · Aachen, DE
Götz Kullik · Wulfen, DE
Cornelia Schrader · Wulfen, DE
Hans-Ullrich HANSMANN · Klein Barnitz, DE

Key dates

Filing date	Mar 17, 2005
Grant date	Jan 27, 2009
Priority date	—
Expiry date	Nov 2, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M16/06
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A breathing mask to be fastened with a strap on the head with breathing gas supply through the strap. The strap includes areas that have a multilayer design and at least two layers of the material of the strap lying one on top of another are connected with one another such that they form a channel, through which a gas can flow.

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